Wilson Michaels <wilsonmichaels@earthlink.net>
for the lgdt330x frontend driver, and various bugfixes
-Michael Krufky <mkrufky@m1k.net>
+Michael Krufky <mkrufky@linuxtv.org>
for maintaining v4l/dvb inter-tree dependencies
Taylor Jacob <rtjacob@earthlink.net>
VERSION = 3
PATCHLEVEL = 14
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
NAME = Shuffling Zombie Juror
# *DOCUMENTATION*
select HAVE_GENERIC_DMA_COHERENT
select HAVE_HW_BREAKPOINT if PERF_EVENTS
select HAVE_MEMBLOCK
+ select HAVE_PATA_PLATFORM
select HAVE_PERF_EVENTS
select IRQ_DOMAIN
select MODULES_USE_ELF_RELA
-CONFIG_EXPERIMENTAL=y
# CONFIG_LOCALVERSION_AUTO is not set
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
CONFIG_KALLSYMS_ALL=y
# CONFIG_COMPAT_BRK is not set
CONFIG_PROFILING=y
+CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_ARCH_XGENE=y
CONFIG_SMP=y
CONFIG_PREEMPT=y
+CONFIG_CMA=y
CONFIG_CMDLINE="console=ttyAMA0"
# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
CONFIG_COMPAT=y
# CONFIG_WIRELESS is not set
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
-CONFIG_BLK_DEV=y
+CONFIG_DMA_CMA=y
CONFIG_SCSI=y
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
# CONFIG_SCSI_LOWLEVEL is not set
+CONFIG_ATA=y
+CONFIG_PATA_PLATFORM=y
+CONFIG_PATA_OF_PLATFORM=y
CONFIG_NETDEVICES=y
-CONFIG_MII=y
CONFIG_SMC91X=y
+CONFIG_SMSC911X=y
# CONFIG_WLAN is not set
CONFIG_INPUT_EVDEV=y
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_FB=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
-# CONFIG_USB_SUPPORT is not set
+CONFIG_USB=y
+CONFIG_USB_ISP1760_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_MMC=y
+CONFIG_MMC_ARMMMCI=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
" stxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline int atomic_add_return(int i, atomic_t *v)
int result;
asm volatile("// atomic_add_return\n"
-"1: ldaxr %w0, %2\n"
+"1: ldxr %w0, %2\n"
" add %w0, %w0, %w3\n"
" stlxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
" stxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline int atomic_sub_return(int i, atomic_t *v)
int result;
asm volatile("// atomic_sub_return\n"
-"1: ldaxr %w0, %2\n"
+"1: ldxr %w0, %2\n"
" sub %w0, %w0, %w3\n"
" stlxr %w1, %w0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
unsigned long tmp;
int oldval;
+ smp_mb();
+
asm volatile("// atomic_cmpxchg\n"
-"1: ldaxr %w1, %2\n"
+"1: ldxr %w1, %2\n"
" cmp %w1, %w3\n"
" b.ne 2f\n"
-" stlxr %w0, %w4, %2\n"
+" stxr %w0, %w4, %2\n"
" cbnz %w0, 1b\n"
"2:"
: "=&r" (tmp), "=&r" (oldval), "+Q" (ptr->counter)
: "Ir" (old), "r" (new)
- : "cc", "memory");
+ : "cc");
+ smp_mb();
return oldval;
}
" stxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline long atomic64_add_return(long i, atomic64_t *v)
unsigned long tmp;
asm volatile("// atomic64_add_return\n"
-"1: ldaxr %0, %2\n"
+"1: ldxr %0, %2\n"
" add %0, %0, %3\n"
" stlxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
" stxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
- : "Ir" (i)
- : "cc");
+ : "Ir" (i));
}
static inline long atomic64_sub_return(long i, atomic64_t *v)
unsigned long tmp;
asm volatile("// atomic64_sub_return\n"
-"1: ldaxr %0, %2\n"
+"1: ldxr %0, %2\n"
" sub %0, %0, %3\n"
" stlxr %w1, %0, %2\n"
" cbnz %w1, 1b"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
: "Ir" (i)
- : "cc", "memory");
+ : "memory");
+ smp_mb();
return result;
}
long oldval;
unsigned long res;
+ smp_mb();
+
asm volatile("// atomic64_cmpxchg\n"
-"1: ldaxr %1, %2\n"
+"1: ldxr %1, %2\n"
" cmp %1, %3\n"
" b.ne 2f\n"
-" stlxr %w0, %4, %2\n"
+" stxr %w0, %4, %2\n"
" cbnz %w0, 1b\n"
"2:"
: "=&r" (res), "=&r" (oldval), "+Q" (ptr->counter)
: "Ir" (old), "r" (new)
- : "cc", "memory");
+ : "cc");
+ smp_mb();
return oldval;
}
unsigned long tmp;
asm volatile("// atomic64_dec_if_positive\n"
-"1: ldaxr %0, %2\n"
+"1: ldxr %0, %2\n"
" subs %0, %0, #1\n"
" b.mi 2f\n"
" stlxr %w1, %0, %2\n"
" cbnz %w1, 1b\n"
+" dmb ish\n"
"2:"
: "=&r" (result), "=&r" (tmp), "+Q" (v->counter)
:
#define wfi() asm volatile("wfi" : : : "memory")
#define isb() asm volatile("isb" : : : "memory")
-#define dsb() asm volatile("dsb sy" : : : "memory")
+#define dsb(opt) asm volatile("dsb sy" : : : "memory")
#define mb() dsb()
#define rmb() asm volatile("dsb ld" : : : "memory")
static inline void __flush_icache_all(void)
{
asm("ic ialluis");
+ dsb();
}
#define flush_dcache_mmap_lock(mapping) \
switch (size) {
case 1:
asm volatile("// __xchg1\n"
- "1: ldaxrb %w0, %2\n"
+ "1: ldxrb %w0, %2\n"
" stlxrb %w1, %w3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u8 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
case 2:
asm volatile("// __xchg2\n"
- "1: ldaxrh %w0, %2\n"
+ "1: ldxrh %w0, %2\n"
" stlxrh %w1, %w3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u16 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
case 4:
asm volatile("// __xchg4\n"
- "1: ldaxr %w0, %2\n"
+ "1: ldxr %w0, %2\n"
" stlxr %w1, %w3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u32 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
case 8:
asm volatile("// __xchg8\n"
- "1: ldaxr %0, %2\n"
+ "1: ldxr %0, %2\n"
" stlxr %w1, %3, %2\n"
" cbnz %w1, 1b\n"
: "=&r" (ret), "=&r" (tmp), "+Q" (*(u64 *)ptr)
: "r" (x)
- : "cc", "memory");
+ : "memory");
break;
default:
BUILD_BUG();
}
+ smp_mb();
return ret;
}
#define ESR_EL1_EC_SP_ALIGN (0x26)
#define ESR_EL1_EC_FP_EXC32 (0x28)
#define ESR_EL1_EC_FP_EXC64 (0x2C)
-#define ESR_EL1_EC_SERRROR (0x2F)
+#define ESR_EL1_EC_SERROR (0x2F)
#define ESR_EL1_EC_BREAKPT_EL0 (0x30)
#define ESR_EL1_EC_BREAKPT_EL1 (0x31)
#define ESR_EL1_EC_SOFTSTP_EL0 (0x32)
#define __futex_atomic_op(insn, ret, oldval, uaddr, tmp, oparg) \
asm volatile( \
-"1: ldaxr %w1, %2\n" \
+"1: ldxr %w1, %2\n" \
insn "\n" \
"2: stlxr %w3, %w0, %2\n" \
" cbnz %w3, 1b\n" \
+" dmb ish\n" \
"3:\n" \
" .pushsection .fixup,\"ax\"\n" \
" .align 2\n" \
" .popsection\n" \
: "=&r" (ret), "=&r" (oldval), "+Q" (*uaddr), "=&r" (tmp) \
: "r" (oparg), "Ir" (-EFAULT) \
- : "cc", "memory")
+ : "memory")
static inline int
futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
return -EFAULT;
asm volatile("// futex_atomic_cmpxchg_inatomic\n"
-"1: ldaxr %w1, %2\n"
+"1: ldxr %w1, %2\n"
" sub %w3, %w1, %w4\n"
" cbnz %w3, 3f\n"
"2: stlxr %w3, %w5, %2\n"
" cbnz %w3, 1b\n"
+" dmb ish\n"
"3:\n"
" .pushsection .fixup,\"ax\"\n"
"4: mov %w0, %w6\n"
" .popsection\n"
: "+r" (ret), "=&r" (val), "+Q" (*uaddr), "=&r" (tmp)
: "r" (oldval), "r" (newval), "Ir" (-EFAULT)
- : "cc", "memory");
+ : "memory");
*uval = val;
return ret;
#define ESR_EL2_EC_SP_ALIGN (0x26)
#define ESR_EL2_EC_FP_EXC32 (0x28)
#define ESR_EL2_EC_FP_EXC64 (0x2C)
-#define ESR_EL2_EC_SERRROR (0x2F)
+#define ESR_EL2_EC_SERROR (0x2F)
#define ESR_EL2_EC_BREAKPT (0x30)
#define ESR_EL2_EC_BREAKPT_HYP (0x31)
#define ESR_EL2_EC_SOFTSTP (0x32)
" cbnz %w0, 2b\n"
: "=&r" (tmp), "+Q" (rw->lock)
: "r" (0x80000000)
- : "cc", "memory");
+ : "memory");
}
static inline int arch_write_trylock(arch_rwlock_t *rw)
"1:\n"
: "=&r" (tmp), "+Q" (rw->lock)
: "r" (0x80000000)
- : "cc", "memory");
+ : "memory");
return !tmp;
}
" cbnz %w1, 2b\n"
: "=&r" (tmp), "=&r" (tmp2), "+Q" (rw->lock)
:
- : "cc", "memory");
+ : "memory");
}
static inline void arch_read_unlock(arch_rwlock_t *rw)
" cbnz %w1, 1b\n"
: "=&r" (tmp), "=&r" (tmp2), "+Q" (rw->lock)
:
- : "cc", "memory");
+ : "memory");
}
static inline int arch_read_trylock(arch_rwlock_t *rw)
"1:\n"
: "=&r" (tmp), "+r" (tmp2), "+Q" (rw->lock)
:
- : "cc", "memory");
+ : "memory");
return !tmp2;
}
__SYSCALL(375, sys_setns)
__SYSCALL(376, compat_sys_process_vm_readv)
__SYSCALL(377, compat_sys_process_vm_writev)
-__SYSCALL(378, sys_ni_syscall) /* 378 for kcmp */
+__SYSCALL(378, sys_kcmp)
+__SYSCALL(379, sys_finit_module)
+__SYSCALL(380, sys_sched_setattr)
+__SYSCALL(381, sys_sched_getattr)
#define __NR_compat_syscalls 379
.inst 0xe92d00f0 // push {r4, r5, r6, r7}
.inst 0xe1c040d0 // ldrd r4, r5, [r0]
.inst 0xe1c160d0 // ldrd r6, r7, [r1]
- .inst 0xe1b20e9f // 1: ldaexd r0, r1, [r2]
+ .inst 0xe1b20f9f // 1: ldrexd r0, r1, [r2]
.inst 0xe0303004 // eors r3, r0, r4
.inst 0x00313005 // eoreqs r3, r1, r5
.inst 0x01a23e96 // stlexdeq r3, r6, [r2]
.inst 0x03330001 // teqeq r3, #1
.inst 0x0afffff9 // beq 1b
+ .inst 0xf57ff05b // dmb ish
.inst 0xe2730000 // rsbs r0, r3, #0
.inst 0xe8bd00f0 // pop {r4, r5, r6, r7}
.inst 0xe12fff1e // bx lr
.align 5
__kuser_cmpxchg: // 0xffff0fc0
- .inst 0xe1923e9f // 1: ldaex r3, [r2]
+ .inst 0xe1923f9f // 1: ldrex r3, [r2]
.inst 0xe0533000 // subs r3, r3, r0
.inst 0x01823e91 // stlexeq r3, r1, [r2]
.inst 0x03330001 // teqeq r3, #1
.inst 0x0afffffa // beq 1b
+ .inst 0xf57ff05b // dmb ish
.inst 0xe2730000 // rsbs r0, r3, #0
.inst 0xe12fff1e // bx lr
vdso_data->use_syscall = use_syscall;
vdso_data->xtime_coarse_sec = xtime_coarse.tv_sec;
vdso_data->xtime_coarse_nsec = xtime_coarse.tv_nsec;
+ vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec;
+ vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec;
if (!use_syscall) {
vdso_data->cs_cycle_last = tk->clock->cycle_last;
vdso_data->xtime_clock_nsec = tk->xtime_nsec;
vdso_data->cs_mult = tk->mult;
vdso_data->cs_shift = tk->shift;
- vdso_data->wtm_clock_sec = tk->wall_to_monotonic.tv_sec;
- vdso_data->wtm_clock_nsec = tk->wall_to_monotonic.tv_nsec;
}
smp_wmb();
# Actual build commands
quiet_cmd_vdsold = VDSOL $@
- cmd_vdsold = $(CC) $(c_flags) -Wl,-T $^ -o $@
+ cmd_vdsold = $(CC) $(c_flags) -Wl,-n -Wl,-T $^ -o $@
quiet_cmd_vdsoas = VDSOA $@
cmd_vdsoas = $(CC) $(a_flags) -c -o $@ $<
bl __do_get_tspec
seqcnt_check w9, 1b
+ mov x30, x2
+
cmp w0, #CLOCK_MONOTONIC
b.ne 6f
ccmp w0, #CLOCK_MONOTONIC_COARSE, #0x4, ne
b.ne 8f
+ /* xtime_coarse_nsec is already right-shifted */
+ mov x12, #0
+
/* Get coarse timespec. */
adr vdso_data, _vdso_data
3: seqcnt_acquire
lsr x11, x11, x12
stp x10, x11, [x1, #TSPEC_TV_SEC]
mov x0, xzr
- ret x2
+ ret
7:
mov x30, x2
8: /* Syscall fallback. */
mov x2, #1
add x1, x1, x0, lsr #3 // Get word offset
lsl x4, x2, x3 // Create mask
-1: ldaxr x2, [x1]
+1: ldxr x2, [x1]
lsr x0, x2, x3 // Save old value of bit
\instr x2, x2, x4 // toggle bit
stlxr w5, x2, [x1]
cbnz w5, 1b
+ dmb ish
and x0, x0, #1
3: ret
ENDPROC(\name )
if (IS_ENABLED(CONFIG_DMA_CMA)) {
struct page *page;
+ size = PAGE_ALIGN(size);
page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT,
get_order(size));
if (!page)
do {
next = pmd_addr_end(addr, end);
/* try section mapping first */
- if (((addr | next | phys) & ~SECTION_MASK) == 0)
+ if (((addr | next | phys) & ~SECTION_MASK) == 0) {
+ pmd_t old_pmd =*pmd;
set_pmd(pmd, __pmd(phys | prot_sect_kernel));
- else
+ /*
+ * Check for previous table entries created during
+ * boot (__create_page_tables) and flush them.
+ */
+ if (!pmd_none(old_pmd))
+ flush_tlb_all();
+ } else {
alloc_init_pte(pmd, addr, next, __phys_to_pfn(phys));
+ }
phys += next - addr;
} while (pmd++, addr = next, addr != end);
}
pgd_t *pgd_alloc(struct mm_struct *mm)
{
- pgd_t *new_pgd;
-
if (PGD_SIZE == PAGE_SIZE)
- new_pgd = (pgd_t *)get_zeroed_page(GFP_KERNEL);
+ return (pgd_t *)get_zeroed_page(GFP_KERNEL);
else
- new_pgd = kzalloc(PGD_SIZE, GFP_KERNEL);
-
- if (!new_pgd)
- return NULL;
-
- return new_pgd;
+ return kzalloc(PGD_SIZE, GFP_KERNEL);
}
void pgd_free(struct mm_struct *mm, pgd_t *pgd)
s0 = AU1100_GPIO1_INT;
s1 = AU1100_GPIO4_INT;
+ gpio_request(19, "sd0_cd");
+ gpio_request(20, "sd1_cd");
gpio_direction_input(19); /* sd0 cd# */
gpio_direction_input(20); /* sd1 cd# */
- gpio_direction_input(21); /* touch pendown# */
- gpio_direction_input(207); /* SPI MISO */
- gpio_direction_output(208, 0); /* SPI MOSI */
- gpio_direction_output(209, 1); /* SPI SCK */
- gpio_direction_output(210, 1); /* SPI CS# */
/* spi_gpio on SSI0 pins */
pfc = __raw_readl((void __iomem *)SYS_PINFUNC);
default:
BUG();
}
+
+ return SIGFPE;
}
#define __disable_fpu() \
#define __NR_process_vm_writev (__NR_Linux + 346)
#define __NR_kcmp (__NR_Linux + 347)
#define __NR_finit_module (__NR_Linux + 348)
+#define __NR_sched_setattr (__NR_Linux + 349)
+#define __NR_sched_getattr (__NR_Linux + 350)
/*
* Offset of the last Linux o32 flavoured syscall
*/
-#define __NR_Linux_syscalls 348
+#define __NR_Linux_syscalls 350
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
#define __NR_O32_Linux 4000
-#define __NR_O32_Linux_syscalls 348
+#define __NR_O32_Linux_syscalls 350
#if _MIPS_SIM == _MIPS_SIM_ABI64
#define __NR_kcmp (__NR_Linux + 306)
#define __NR_finit_module (__NR_Linux + 307)
#define __NR_getdents64 (__NR_Linux + 308)
+#define __NR_sched_setattr (__NR_Linux + 309)
+#define __NR_sched_getattr (__NR_Linux + 310)
/*
* Offset of the last Linux 64-bit flavoured syscall
*/
-#define __NR_Linux_syscalls 308
+#define __NR_Linux_syscalls 310
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
#define __NR_64_Linux 5000
-#define __NR_64_Linux_syscalls 308
+#define __NR_64_Linux_syscalls 310
#if _MIPS_SIM == _MIPS_SIM_NABI32
#define __NR_process_vm_writev (__NR_Linux + 310)
#define __NR_kcmp (__NR_Linux + 311)
#define __NR_finit_module (__NR_Linux + 312)
+#define __NR_sched_setattr (__NR_Linux + 313)
+#define __NR_sched_getattr (__NR_Linux + 314)
/*
* Offset of the last N32 flavoured syscall
*/
-#define __NR_Linux_syscalls 312
+#define __NR_Linux_syscalls 314
#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
#define __NR_N32_Linux 6000
-#define __NR_N32_Linux_syscalls 312
+#define __NR_N32_Linux_syscalls 314
#endif /* _UAPI_ASM_UNISTD_H */
PTR sys_process_vm_writev
PTR sys_kcmp
PTR sys_finit_module
+ PTR sys_sched_setattr
+ PTR sys_sched_getattr /* 4350 */
PTR sys_kcmp
PTR sys_finit_module
PTR sys_getdents64
+ PTR sys_sched_setattr
+ PTR sys_sched_getattr /* 5310 */
.size sys_call_table,.-sys_call_table
PTR compat_sys_process_vm_writev /* 6310 */
PTR sys_kcmp
PTR sys_finit_module
+ PTR sys_sched_setattr
+ PTR sys_sched_getattr
.size sysn32_call_table,.-sysn32_call_table
PTR compat_sys_process_vm_writev
PTR sys_kcmp
PTR sys_finit_module
+ PTR sys_sched_setattr
+ PTR sys_sched_getattr /* 4350 */
.size sys32_call_table,.-sys32_call_table
bool "Intel MID platform support"
depends on X86_32
depends on X86_EXTENDED_PLATFORM
+ depends on X86_PLATFORM_DEVICES
depends on PCI
depends on PCI_GOANY
depends on X86_IO_APIC
This options enables microcode patch loading support for Intel
processors.
- For latest news and information on obtaining all the required
- Intel ingredients for this driver, check:
- <http://www.urbanmyth.org/microcode/>.
+ For the current Intel microcode data package go to
+ <https://downloadcenter.intel.com> and search for
+ 'Linux Processor Microcode Data File'.
config MICROCODE_AMD
bool "AMD microcode loading support"
extern void amd_flush_garts(void);
extern int amd_numa_init(void);
extern int amd_get_subcaches(int);
-extern int amd_set_subcaches(int, int);
+extern int amd_set_subcaches(int, unsigned long);
struct amd_l3_cache {
unsigned indices;
static inline void __flush_tlb_one(unsigned long addr)
{
- count_vm_event(NR_TLB_LOCAL_FLUSH_ONE);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ONE);
__flush_tlb_single(addr);
}
*/
static inline void __flush_tlb_up(void)
{
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
__flush_tlb();
}
static inline void flush_tlb_all(void)
{
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
__flush_tlb_all();
}
return (mask >> (4 * cuid)) & 0xf;
}
-int amd_set_subcaches(int cpu, int mask)
+int amd_set_subcaches(int cpu, unsigned long mask)
{
static unsigned int reset, ban;
struct amd_northbridge *nb = node_to_amd_nb(amd_get_nb_id(cpu));
static void cpu_set_tlb_flushall_shift(struct cpuinfo_x86 *c)
{
- tlb_flushall_shift = 5;
-
- if (c->x86 <= 0x11)
- tlb_flushall_shift = 4;
+ tlb_flushall_shift = 6;
}
static void cpu_detect_tlb_amd(struct cpuinfo_x86 *c)
case 0x61d: /* six-core 45 nm xeon "Dunnington" */
tlb_flushall_shift = -1;
break;
+ case 0x63a: /* Ivybridge */
+ tlb_flushall_shift = 2;
+ break;
case 0x61a: /* 45 nm nehalem, "Bloomfield" */
case 0x61e: /* 45 nm nehalem, "Lynnfield" */
case 0x625: /* 32 nm nehalem, "Clarkdale" */
case 0x62c: /* 32 nm nehalem, "Gulftown" */
case 0x62e: /* 45 nm nehalem-ex, "Beckton" */
case 0x62f: /* 32 nm Xeon E7 */
- tlb_flushall_shift = 6;
- break;
case 0x62a: /* SandyBridge */
case 0x62d: /* SandyBridge, "Romely-EP" */
- tlb_flushall_shift = 5;
- break;
- case 0x63a: /* Ivybridge */
- tlb_flushall_shift = 1;
- break;
default:
tlb_flushall_shift = 6;
}
uci->cpu_sig.sig = cpuid_eax(0x00000001);
}
+
+static void __init get_bsp_sig(void)
+{
+ unsigned int bsp = boot_cpu_data.cpu_index;
+ struct ucode_cpu_info *uci = ucode_cpu_info + bsp;
+
+ if (!uci->cpu_sig.sig)
+ smp_call_function_single(bsp, collect_cpu_sig_on_bsp, NULL, 1);
+}
#else
void load_ucode_amd_ap(void)
{
int __init save_microcode_in_initrd_amd(void)
{
+ unsigned long cont;
enum ucode_state ret;
u32 eax;
-#ifdef CONFIG_X86_32
- unsigned int bsp = boot_cpu_data.cpu_index;
- struct ucode_cpu_info *uci = ucode_cpu_info + bsp;
-
- if (!uci->cpu_sig.sig)
- smp_call_function_single(bsp, collect_cpu_sig_on_bsp, NULL, 1);
+ if (!container)
+ return -EINVAL;
+#ifdef CONFIG_X86_32
+ get_bsp_sig();
+ cont = (unsigned long)container;
+#else
/*
- * Take into account the fact that the ramdisk might get relocated
- * and therefore we need to recompute the container's position in
- * virtual memory space.
+ * We need the physical address of the container for both bitness since
+ * boot_params.hdr.ramdisk_image is a physical address.
*/
- container = (u8 *)(__va((u32)relocated_ramdisk) +
- ((u32)container - boot_params.hdr.ramdisk_image));
+ cont = __pa(container);
#endif
+
+ /*
+ * Take into account the fact that the ramdisk might get relocated and
+ * therefore we need to recompute the container's position in virtual
+ * memory space.
+ */
+ if (relocated_ramdisk)
+ container = (u8 *)(__va(relocated_ramdisk) +
+ (cont - boot_params.hdr.ramdisk_image));
+
if (ucode_new_rev)
pr_info("microcode: updated early to new patch_level=0x%08x\n",
ucode_new_rev);
- if (!container)
- return -EINVAL;
-
eax = cpuid_eax(0x00000001);
eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
}
/* Flush all TLBs via a mov %cr3, %reg; mov %reg, %cr3 */
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
__flush_tlb();
/* Save MTRR state */
static void post_set(void) __releases(set_atomicity_lock)
{
/* Flush TLBs (no need to flush caches - they are disabled) */
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
__flush_tlb();
/* Intel (P6) standard MTRRs */
EXPORT_SYMBOL_GPL(vector_used_by_percpu_irq);
#ifdef CONFIG_HOTPLUG_CPU
+
+/* These two declarations are only used in check_irq_vectors_for_cpu_disable()
+ * below, which is protected by stop_machine(). Putting them on the stack
+ * results in a stack frame overflow. Dynamically allocating could result in a
+ * failure so declare these two cpumasks as global.
+ */
+static struct cpumask affinity_new, online_new;
+
/*
* This cpu is going to be removed and its vectors migrated to the remaining
* online cpus. Check to see if there are enough vectors in the remaining cpus.
unsigned int this_cpu, vector, this_count, count;
struct irq_desc *desc;
struct irq_data *data;
- struct cpumask affinity_new, online_new;
this_cpu = smp_processor_id();
cpumask_copy(&online_new, cpu_online_mask);
quirk_amd_nb_node);
#endif
+
+#ifdef CONFIG_PCI
+/*
+ * Processor does not ensure DRAM scrub read/write sequence
+ * is atomic wrt accesses to CC6 save state area. Therefore
+ * if a concurrent scrub read/write access is to same address
+ * the entry may appear as if it is not written. This quirk
+ * applies to Fam16h models 00h-0Fh
+ *
+ * See "Revision Guide" for AMD F16h models 00h-0fh,
+ * document 51810 rev. 3.04, Nov 2013
+ */
+static void amd_disable_seq_and_redirect_scrub(struct pci_dev *dev)
+{
+ u32 val;
+
+ /*
+ * Suggested workaround:
+ * set D18F3x58[4:0] = 00h and set D18F3x5C[0] = 0b
+ */
+ pci_read_config_dword(dev, 0x58, &val);
+ if (val & 0x1F) {
+ val &= ~(0x1F);
+ pci_write_config_dword(dev, 0x58, val);
+ }
+
+ pci_read_config_dword(dev, 0x5C, &val);
+ if (val & BIT(0)) {
+ val &= ~BIT(0);
+ pci_write_config_dword(dev, 0x5c, val);
+ }
+}
+
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_16H_NB_F3,
+ amd_disable_seq_and_redirect_scrub);
+
+#endif
nid, start, end);
printk(KERN_DEBUG " Setting physnode_map array to node %d for pfns:\n", nid);
printk(KERN_DEBUG " ");
+ start = round_down(start, PAGES_PER_SECTION);
+ end = round_up(end, PAGES_PER_SECTION);
for (pfn = start; pfn < end; pfn += PAGES_PER_SECTION) {
physnode_map[pfn / PAGES_PER_SECTION] = nid;
printk(KERN_CONT "%lx ", pfn);
return acpi_numa < 0;
}
-/* Callback for SLIT parsing */
+/*
+ * Callback for SLIT parsing. pxm_to_node() returns NUMA_NO_NODE for
+ * I/O localities since SRAT does not list them. I/O localities are
+ * not supported at this point.
+ */
void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
{
int i, j;
- for (i = 0; i < slit->locality_count; i++)
- for (j = 0; j < slit->locality_count; j++)
+ for (i = 0; i < slit->locality_count; i++) {
+ if (pxm_to_node(i) == NUMA_NO_NODE)
+ continue;
+ for (j = 0; j < slit->locality_count; j++) {
+ if (pxm_to_node(j) == NUMA_NO_NODE)
+ continue;
numa_set_distance(pxm_to_node(i), pxm_to_node(j),
slit->entry[slit->locality_count * i + j]);
+ }
+ }
}
/* Callback for Proximity Domain -> x2APIC mapping */
if (f->flush_mm != this_cpu_read(cpu_tlbstate.active_mm))
return;
- count_vm_event(NR_TLB_REMOTE_FLUSH_RECEIVED);
+ count_vm_tlb_event(NR_TLB_REMOTE_FLUSH_RECEIVED);
if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK) {
if (f->flush_end == TLB_FLUSH_ALL)
local_flush_tlb();
info.flush_start = start;
info.flush_end = end;
- count_vm_event(NR_TLB_REMOTE_FLUSH);
+ count_vm_tlb_event(NR_TLB_REMOTE_FLUSH);
if (is_uv_system()) {
unsigned int cpu;
preempt_disable();
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
local_flush_tlb();
if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
flush_tlb_others(mm_cpumask(mm), mm, 0UL, TLB_FLUSH_ALL);
preempt_enable();
}
-/*
- * It can find out the THP large page, or
- * HUGETLB page in tlb_flush when THP disabled
- */
-static inline unsigned long has_large_page(struct mm_struct *mm,
- unsigned long start, unsigned long end)
-{
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
- unsigned long addr = ALIGN(start, HPAGE_SIZE);
- for (; addr < end; addr += HPAGE_SIZE) {
- pgd = pgd_offset(mm, addr);
- if (likely(!pgd_none(*pgd))) {
- pud = pud_offset(pgd, addr);
- if (likely(!pud_none(*pud))) {
- pmd = pmd_offset(pud, addr);
- if (likely(!pmd_none(*pmd)))
- if (pmd_large(*pmd))
- return addr;
- }
- }
- }
- return 0;
-}
-
void flush_tlb_mm_range(struct mm_struct *mm, unsigned long start,
unsigned long end, unsigned long vmflag)
{
unsigned long addr;
unsigned act_entries, tlb_entries = 0;
+ unsigned long nr_base_pages;
preempt_disable();
if (current->active_mm != mm)
tlb_entries = tlb_lli_4k[ENTRIES];
else
tlb_entries = tlb_lld_4k[ENTRIES];
+
/* Assume all of TLB entries was occupied by this task */
- act_entries = mm->total_vm > tlb_entries ? tlb_entries : mm->total_vm;
+ act_entries = tlb_entries >> tlb_flushall_shift;
+ act_entries = mm->total_vm > act_entries ? act_entries : mm->total_vm;
+ nr_base_pages = (end - start) >> PAGE_SHIFT;
/* tlb_flushall_shift is on balance point, details in commit log */
- if ((end - start) >> PAGE_SHIFT > act_entries >> tlb_flushall_shift) {
- count_vm_event(NR_TLB_LOCAL_FLUSH_ALL);
+ if (nr_base_pages > act_entries) {
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ALL);
local_flush_tlb();
} else {
- if (has_large_page(mm, start, end)) {
- local_flush_tlb();
- goto flush_all;
- }
/* flush range by one by one 'invlpg' */
for (addr = start; addr < end; addr += PAGE_SIZE) {
- count_vm_event(NR_TLB_LOCAL_FLUSH_ONE);
+ count_vm_tlb_event(NR_TLB_LOCAL_FLUSH_ONE);
__flush_tlb_single(addr);
}
static void do_flush_tlb_all(void *info)
{
- count_vm_event(NR_TLB_REMOTE_FLUSH_RECEIVED);
+ count_vm_tlb_event(NR_TLB_REMOTE_FLUSH_RECEIVED);
__flush_tlb_all();
if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_LAZY)
leave_mm(smp_processor_id());
void flush_tlb_all(void)
{
- count_vm_event(NR_TLB_REMOTE_FLUSH);
+ count_vm_tlb_event(NR_TLB_REMOTE_FLUSH);
on_each_cpu(do_flush_tlb_all, NULL, 1);
}
image = efi_lookup_mapped_addr(bgrt_tab->image_address);
if (!image) {
- image = ioremap(bgrt_tab->image_address, sizeof(bmp_header));
+ image = early_memremap(bgrt_tab->image_address,
+ sizeof(bmp_header));
ioremapped = true;
if (!image)
return;
memcpy_fromio(&bmp_header, image, sizeof(bmp_header));
if (ioremapped)
- iounmap(image);
+ early_iounmap(image, sizeof(bmp_header));
bgrt_image_size = bmp_header.size;
bgrt_image = kmalloc(bgrt_image_size, GFP_KERNEL);
return;
if (ioremapped) {
- image = ioremap(bgrt_tab->image_address, bmp_header.size);
+ image = early_memremap(bgrt_tab->image_address,
+ bmp_header.size);
if (!image) {
kfree(bgrt_image);
bgrt_image = NULL;
memcpy_fromio(bgrt_image, image, bgrt_image_size);
if (ioremapped)
- iounmap(image);
+ early_iounmap(image, bmp_header.size);
}
{
unsigned long x;
struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev));
- if (sscanf(buf, "%ld\n", &x) == 1)
+ if (sscanf(buf, "%lu\n", &x) == 1)
battery->alarm = x/1000;
if (acpi_battery_present(battery))
acpi_battery_set_alarm(battery);
seq_printf(seq, "%c%-8s %s:%s\n",
dev->wakeup.flags.run_wake ? '*' : ' ',
(device_may_wakeup(&dev->dev) ||
- (ldev && device_may_wakeup(ldev))) ?
+ device_may_wakeup(ldev)) ?
"enabled" : "disabled",
ldev->bus ? ldev->bus->name :
"no-bus", dev_name(ldev));
static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
{
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE;
- struct acpi_scan_handler *handler = data;
struct acpi_device *adev;
acpi_status status;
break;
case ACPI_NOTIFY_EJECT_REQUEST:
acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n");
- if (!handler->hotplug.enabled) {
+ if (!adev->handler)
+ goto err_out;
+
+ if (!adev->handler->hotplug.enabled) {
acpi_handle_err(handle, "Eject disabled\n");
ost_code = ACPI_OST_SC_EJECT_NOT_SUPPORTED;
goto err_out;
union acpi_object *element = &(package->package.elements[i]);
- if (!element) {
- return AE_BAD_DATA;
- }
-
switch (element->type) {
case ACPI_TYPE_INTEGER:
},
{
.callback = video_detect_force_vendor,
+ .ident = "HP EliteBook Revolve 810",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP EliteBook Revolve 810 G1"),
+ },
+ },
+ {
+ .callback = video_detect_force_vendor,
.ident = "Lenovo Yoga 13",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
} else {
/* Failback to copying a page */
struct page *page = alloc_page(GFP_KERNEL);
- char *src = buf->ops->map(pipe, buf, 1);
- char *dst;
+ char *src;
if (!page)
return -ENOMEM;
- dst = kmap(page);
offset = sd->pos & ~PAGE_MASK;
if (len + offset > PAGE_SIZE)
len = PAGE_SIZE - offset;
- memcpy(dst + offset, src + buf->offset, len);
-
- kunmap(page);
+ src = buf->ops->map(pipe, buf, 1);
+ memcpy(page_address(page) + offset, src + buf->offset, len);
buf->ops->unmap(pipe, buf, src);
sg_set_page(&(sgl->sg[sgl->n]), page, len, offset);
int32_t core_pct_busy;
u64 aperf;
u64 mperf;
+ unsigned long long tsc;
int freq;
};
u64 prev_aperf;
u64 prev_mperf;
+ unsigned long long prev_tsc;
int sample_ptr;
struct sample samples[SAMPLE_COUNT];
};
struct sample *sample)
{
u64 core_pct;
- core_pct = div64_u64(int_tofp(sample->aperf * 100),
- sample->mperf);
- sample->freq = fp_toint(cpu->pstate.max_pstate * core_pct * 1000);
+ u64 c0_pct;
- sample->core_pct_busy = core_pct;
+ core_pct = div64_u64(sample->aperf * 100, sample->mperf);
+
+ c0_pct = div64_u64(sample->mperf * 100, sample->tsc);
+ sample->freq = fp_toint(
+ mul_fp(int_tofp(cpu->pstate.max_pstate),
+ int_tofp(core_pct * 1000)));
+
+ sample->core_pct_busy = mul_fp(int_tofp(core_pct),
+ div_fp(int_tofp(c0_pct + 1), int_tofp(100)));
}
static inline void intel_pstate_sample(struct cpudata *cpu)
{
u64 aperf, mperf;
+ unsigned long long tsc;
rdmsrl(MSR_IA32_APERF, aperf);
rdmsrl(MSR_IA32_MPERF, mperf);
+ tsc = native_read_tsc();
cpu->sample_ptr = (cpu->sample_ptr + 1) % SAMPLE_COUNT;
cpu->samples[cpu->sample_ptr].aperf = aperf;
cpu->samples[cpu->sample_ptr].mperf = mperf;
+ cpu->samples[cpu->sample_ptr].tsc = tsc;
cpu->samples[cpu->sample_ptr].aperf -= cpu->prev_aperf;
cpu->samples[cpu->sample_ptr].mperf -= cpu->prev_mperf;
+ cpu->samples[cpu->sample_ptr].tsc -= cpu->prev_tsc;
intel_pstate_calc_busy(cpu, &cpu->samples[cpu->sample_ptr]);
cpu->prev_aperf = aperf;
cpu->prev_mperf = mperf;
+ cpu->prev_tsc = tsc;
}
static inline void intel_pstate_set_sample_time(struct cpudata *cpu)
if (hwmon_irq < 0)
return hwmon_irq;
- hwmon_irq = regmap_irq_get_virq(hwmon->da9055->irq_data, hwmon_irq);
- if (hwmon_irq < 0)
- return hwmon_irq;
-
ret = devm_request_threaded_irq(&pdev->dev, hwmon_irq,
NULL, da9055_auxadc_irq,
IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
u32 flags; /* from platform data */
- int exponent; /* linear mode: exponent for output voltages */
+ int exponent[PMBUS_PAGES];
+ /* linear mode: exponent for output voltages */
const struct pmbus_driver_info *info;
long val;
if (sensor->class == PSC_VOLTAGE_OUT) { /* LINEAR16 */
- exponent = data->exponent;
+ exponent = data->exponent[sensor->page];
mantissa = (u16) sensor->data;
} else { /* LINEAR11 */
exponent = ((s16)sensor->data) >> 11;
#define MIN_MANTISSA (511 * 1000)
static u16 pmbus_data2reg_linear(struct pmbus_data *data,
- enum pmbus_sensor_classes class, long val)
+ struct pmbus_sensor *sensor, long val)
{
s16 exponent = 0, mantissa;
bool negative = false;
if (val == 0)
return 0;
- if (class == PSC_VOLTAGE_OUT) {
+ if (sensor->class == PSC_VOLTAGE_OUT) {
/* LINEAR16 does not support negative voltages */
if (val < 0)
return 0;
* For a static exponents, we don't have a choice
* but to adjust the value to it.
*/
- if (data->exponent < 0)
- val <<= -data->exponent;
+ if (data->exponent[sensor->page] < 0)
+ val <<= -data->exponent[sensor->page];
else
- val >>= data->exponent;
+ val >>= data->exponent[sensor->page];
val = DIV_ROUND_CLOSEST(val, 1000);
return val & 0xffff;
}
}
/* Power is in uW. Convert to mW before converting. */
- if (class == PSC_POWER)
+ if (sensor->class == PSC_POWER)
val = DIV_ROUND_CLOSEST(val, 1000L);
/*
* For simplicity, convert fan data to milli-units
* before calculating the exponent.
*/
- if (class == PSC_FAN)
+ if (sensor->class == PSC_FAN)
val = val * 1000;
/* Reduce large mantissa until it fits into 10 bit */
}
static u16 pmbus_data2reg_direct(struct pmbus_data *data,
- enum pmbus_sensor_classes class, long val)
+ struct pmbus_sensor *sensor, long val)
{
long m, b, R;
- m = data->info->m[class];
- b = data->info->b[class];
- R = data->info->R[class];
+ m = data->info->m[sensor->class];
+ b = data->info->b[sensor->class];
+ R = data->info->R[sensor->class];
/* Power is in uW. Adjust R and b. */
- if (class == PSC_POWER) {
+ if (sensor->class == PSC_POWER) {
R -= 3;
b *= 1000;
}
/* Calculate Y = (m * X + b) * 10^R */
- if (class != PSC_FAN) {
+ if (sensor->class != PSC_FAN) {
R -= 3; /* Adjust R and b for data in milli-units */
b *= 1000;
}
}
static u16 pmbus_data2reg_vid(struct pmbus_data *data,
- enum pmbus_sensor_classes class, long val)
+ struct pmbus_sensor *sensor, long val)
{
val = clamp_val(val, 500, 1600);
}
static u16 pmbus_data2reg(struct pmbus_data *data,
- enum pmbus_sensor_classes class, long val)
+ struct pmbus_sensor *sensor, long val)
{
u16 regval;
- switch (data->info->format[class]) {
+ switch (data->info->format[sensor->class]) {
case direct:
- regval = pmbus_data2reg_direct(data, class, val);
+ regval = pmbus_data2reg_direct(data, sensor, val);
break;
case vid:
- regval = pmbus_data2reg_vid(data, class, val);
+ regval = pmbus_data2reg_vid(data, sensor, val);
break;
case linear:
default:
- regval = pmbus_data2reg_linear(data, class, val);
+ regval = pmbus_data2reg_linear(data, sensor, val);
break;
}
return regval;
return -EINVAL;
mutex_lock(&data->update_lock);
- regval = pmbus_data2reg(data, sensor->class, val);
+ regval = pmbus_data2reg(data, sensor, val);
ret = _pmbus_write_word_data(client, sensor->page, sensor->reg, regval);
if (ret < 0)
rv = ret;
* This function is called for all chips.
*/
static int pmbus_identify_common(struct i2c_client *client,
- struct pmbus_data *data)
+ struct pmbus_data *data, int page)
{
int vout_mode = -1;
- if (pmbus_check_byte_register(client, 0, PMBUS_VOUT_MODE))
- vout_mode = _pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE);
+ if (pmbus_check_byte_register(client, page, PMBUS_VOUT_MODE))
+ vout_mode = _pmbus_read_byte_data(client, page,
+ PMBUS_VOUT_MODE);
if (vout_mode >= 0 && vout_mode != 0xff) {
/*
* Not all chips support the VOUT_MODE command,
if (data->info->format[PSC_VOLTAGE_OUT] != linear)
return -ENODEV;
- data->exponent = ((s8)(vout_mode << 3)) >> 3;
+ data->exponent[page] = ((s8)(vout_mode << 3)) >> 3;
break;
case 1: /* VID mode */
if (data->info->format[PSC_VOLTAGE_OUT] != vid)
}
}
- pmbus_clear_fault_page(client, 0);
+ pmbus_clear_fault_page(client, page);
return 0;
}
struct pmbus_driver_info *info)
{
struct device *dev = &client->dev;
- int ret;
+ int page, ret;
/*
* Some PMBus chips don't support PMBUS_STATUS_BYTE, so try
return -ENODEV;
}
- ret = pmbus_identify_common(client, data);
- if (ret < 0) {
- dev_err(dev, "Failed to identify chip capabilities\n");
- return ret;
+ for (page = 0; page < info->pages; page++) {
+ ret = pmbus_identify_common(client, data, page);
+ if (ret < 0) {
+ dev_err(dev, "Failed to identify chip capabilities\n");
+ return ret;
+ }
}
return 0;
}
switch (demod) {
case 0:
- dev_err(&state->priv->i2c->dev,
+ dev_err(&i2c->dev,
"%s: Error attaching frontend %d\n",
KBUILD_MODNAME, demod);
goto error1;
state->demod = demod - 1;
state->priv = priv;
- /* test i2c bus for ack */
- if (demod == 0) {
- if (cx24117_readreg(state, 0x00) < 0)
- goto error3;
- }
-
dev_info(&state->priv->i2c->dev,
"%s: Attaching frontend %d\n",
KBUILD_MODNAME, state->demod);
state->frontend.demodulator_priv = state;
return &state->frontend;
-error3:
- kfree(state);
error2:
cx24117_release_priv(priv);
error1:
* Support for NXT2002 and NXT2004 - VSB/QAM
*
* Copyright (C) 2005 Kirk Lapray <kirk.lapray@gmail.com>
- * Copyright (C) 2006 Michael Krufky <mkrufky@m1k.net>
+ * Copyright (C) 2006-2014 Michael Krufky <mkrufky@linuxtv.org>
* based on nxt2002 by Taylor Jacob <rtjacob@earthlink.net>
* and nxt2004 by Jean-Francois Thibert <jeanfrancois@sagetv.com>
*
sdp_write_and_or(sd, 0xdd, 0xf0, pdata->sdp_free_run_force |
(pdata->sdp_free_run_cbar_en << 1) |
(pdata->sdp_free_run_man_col_en << 2) |
- (pdata->sdp_free_run_force << 3));
+ (pdata->sdp_free_run_auto << 3));
/* TODO from platform data */
cp_write(sd, 0x69, 0x14); /* Enable CP CSC */
u16 count, const u16 *seq)
{
struct i2c_client *c = v4l2_get_subdevdata(&state->sd);
- __be16 buf[count + 1];
- int ret, n;
+ __be16 buf[65];
s5k5baf_i2c_write(state, REG_CMDWR_ADDR, addr);
if (state->error)
return;
+ v4l2_dbg(3, debug, c, "i2c_write_seq(count=%d): %*ph\n", count,
+ min(2 * count, 64), seq);
+
buf[0] = __constant_cpu_to_be16(REG_CMD_BUF);
- for (n = 1; n <= count; ++n)
- buf[n] = cpu_to_be16(*seq++);
- n *= 2;
- ret = i2c_master_send(c, (char *)buf, n);
- v4l2_dbg(3, debug, c, "i2c_write_seq(count=%d): %*ph\n", count,
- min(2 * count, 64), seq - count);
+ while (count > 0) {
+ int n = min_t(int, count, ARRAY_SIZE(buf) - 1);
+ int ret, i;
- if (ret != n) {
- v4l2_err(c, "i2c_write_seq: error during transfer (%d)\n", ret);
- state->error = ret;
+ for (i = 1; i <= n; ++i)
+ buf[i] = cpu_to_be16(*seq++);
+
+ i *= 2;
+ ret = i2c_master_send(c, (char *)buf, i);
+ if (ret != i) {
+ v4l2_err(c, "i2c_write_seq: error during transfer (%d)\n", ret);
+ state->error = ret;
+ break;
+ }
+
+ count -= n;
}
}
},
/* ---- card 0x87---------------------------------- */
[BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE] = {
- /* Michael Krufky <mkrufky@m1k.net> */
+ /* Michael Krufky <mkrufky@linuxtv.org> */
.name = "DViCO FusionHDTV 5 Lite",
.tuner_type = TUNER_LG_TDVS_H06XF, /* TDVS-H064F */
.tuner_addr = ADDR_UNSET,
err = device_register(&sub->dev);
if (0 != err) {
- kfree(sub);
+ put_device(&sub->dev);
return err;
}
pr_info("%d: add subdevice \"%s\"\n", core->nr, dev_name(&sub->dev));
}},
},
[SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180] = {
- /* Michael Krufky <mkrufky@m1k.net>
+ /* Michael Krufky <mkrufky@linuxtv.org>
* Uses Alps Electric TDHU2, containing NXT2004 ATSC Decoder
* AFAIK, there is no analog demod, thus,
* no support for analog television.
return 0;
err_gclk:
- clk_disable(fimc->clock[CLK_GATE]);
+ if (!pm_runtime_enabled(dev))
+ clk_disable(fimc->clock[CLK_GATE]);
err_sd:
fimc_unregister_capture_subdev(fimc);
err_sclk:
return ret;
}
+#ifdef CONFIG_PM_RUNTIME
static int fimc_runtime_resume(struct device *dev)
{
struct fimc_dev *fimc = dev_get_drvdata(dev);
dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
return ret;
}
+#endif
#ifdef CONFIG_PM_SLEEP
static int fimc_resume(struct device *dev)
if (!pm_runtime_enabled(dev)) {
ret = clk_enable(fimc->clock);
if (ret < 0)
- goto err_clk_put;
+ goto err_sd;
}
fimc->alloc_ctx = vb2_dma_contig_init_ctx(dev);
return 0;
err_clk_dis:
- clk_disable(fimc->clock);
+ if (!pm_runtime_enabled(dev))
+ clk_disable(fimc->clock);
err_sd:
fimc_lite_unregister_capture_subdev(fimc);
err_clk_put:
return ret;
}
+#ifdef CONFIG_PM_RUNTIME
static int fimc_lite_runtime_resume(struct device *dev)
{
struct fimc_lite *fimc = dev_get_drvdata(dev);
clk_disable(fimc->clock);
return 0;
}
+#endif
#ifdef CONFIG_PM_SLEEP
static int fimc_lite_resume(struct device *dev)
{
.name = "YUV 4:2:0 planar, Y/CbCr",
.fourcc = V4L2_PIX_FMT_NV12,
- .depth = 16,
+ .depth = 12,
.colplanes = 2,
.h_align = 1,
.v_align = 1,
{
.name = "YUV 4:2:0 planar, Y/CbCr",
.fourcc = V4L2_PIX_FMT_NV12,
- .depth = 16,
- .colplanes = 4,
+ .depth = 12,
+ .colplanes = 2,
.h_align = 4,
- .v_align = 1,
+ .v_align = 4,
.flags = SJPEG_FMT_FLAG_ENC_OUTPUT |
SJPEG_FMT_FLAG_DEC_CAPTURE |
SJPEG_FMT_FLAG_S5P |
&af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
{ DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
&af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
+ { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
+ &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
{ }
};
MODULE_DEVICE_TABLE(usb, af9035_id_table);
/*
* mxl111sf-demod.c - driver for the MaxLinear MXL111SF DVB-T demodulator
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
EXPORT_SYMBOL_GPL(mxl111sf_demod_attach);
MODULE_DESCRIPTION("MaxLinear MxL111SF DVB-T demodulator driver");
-MODULE_AUTHOR("Michael Krufky <mkrufky@kernellabs.com>");
+MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.1");
/*
* mxl111sf-demod.h - driver for the MaxLinear MXL111SF DVB-T demodulator
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-gpio.c - driver for the MaxLinear MXL111SF
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-gpio.h - driver for the MaxLinear MXL111SF
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-i2c.c - driver for the MaxLinear MXL111SF
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-i2c.h - driver for the MaxLinear MXL111SF
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-phy.c - driver for the MaxLinear MXL111SF
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-phy.h - driver for the MaxLinear MXL111SF
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-reg.h - driver for the MaxLinear MXL111SF
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
/*
* mxl111sf-tuner.c - driver for the MaxLinear MXL111SF CMOS tuner
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
EXPORT_SYMBOL_GPL(mxl111sf_tuner_attach);
MODULE_DESCRIPTION("MaxLinear MxL111SF CMOS tuner driver");
-MODULE_AUTHOR("Michael Krufky <mkrufky@kernellabs.com>");
+MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
MODULE_LICENSE("GPL");
MODULE_VERSION("0.1");
/*
* mxl111sf-tuner.h - driver for the MaxLinear MXL111SF CMOS tuner
*
- * Copyright (C) 2010 Michael Krufky <mkrufky@kernellabs.com>
+ * Copyright (C) 2010-2014 Michael Krufky <mkrufky@linuxtv.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#else
static inline
struct dvb_frontend *mxl111sf_tuner_attach(struct dvb_frontend *fe,
- struct mxl111sf_state *mxl_state
+ struct mxl111sf_state *mxl_state,
struct mxl111sf_tuner_config *cfg)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
/*
- * Copyright (C) 2010 Michael Krufky (mkrufky@kernellabs.com)
+ * Copyright (C) 2010-2014 Michael Krufky (mkrufky@linuxtv.org)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
ret = -EINVAL;
}
- pr_debug("R: (0x%02x, 0x%02x)\n", addr, *data);
+ pr_debug("R: (0x%02x, 0x%02x)\n", addr, buf[1]);
fail:
return ret;
}
module_usb_driver(mxl111sf_usb_driver);
-MODULE_AUTHOR("Michael Krufky <mkrufky@kernellabs.com>");
+MODULE_AUTHOR("Michael Krufky <mkrufky@linuxtv.org>");
MODULE_DESCRIPTION("Driver for MaxLinear MxL111SF");
MODULE_VERSION("1.0");
MODULE_LICENSE("GPL");
/*
- * Copyright (C) 2010 Michael Krufky (mkrufky@kernellabs.com)
+ * Copyright (C) 2010-2014 Michael Krufky (mkrufky@linuxtv.org)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
hex_dump_to_buffer(response, 8, 16, 1, print_buf, 5*buf_size+1, 0);
v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev, " response: %s\n",
print_buf);
- kfree(print_buf);
#endif
msleep(100);
retval = ret != 8;
unlock:
mutex_unlock(&dev->usbc_mutex);
+#ifdef HDPVR_DEBUG
+ kfree(print_buf);
+#endif
return retval;
}
aspect.denominator = 9;
}
image_width = ((image_height * aspect.numerator) / aspect.denominator);
+ image_width = (image_width + GTF_CELL_GRAN/2) & ~(GTF_CELL_GRAN - 1);
/* Horizontal */
if (default_gtf)
static void videobuf_vm_open(struct vm_area_struct *vma)
{
struct videobuf_mapping *map = vma->vm_private_data;
- struct videobuf_queue *q = map->q;
- dev_dbg(q->dev, "vm_open %p [count=%u,vma=%08lx-%08lx]\n",
+ dev_dbg(map->q->dev, "vm_open %p [count=%u,vma=%08lx-%08lx]\n",
map, map->count, vma->vm_start, vma->vm_end);
- videobuf_queue_lock(q);
map->count++;
- videobuf_queue_unlock(q);
}
static void videobuf_vm_close(struct vm_area_struct *vma)
dev_dbg(q->dev, "vm_close %p [count=%u,vma=%08lx-%08lx]\n",
map, map->count, vma->vm_start, vma->vm_end);
- videobuf_queue_lock(q);
- if (!--map->count) {
+ map->count--;
+ if (0 == map->count) {
struct videobuf_dma_contig_memory *mem;
dev_dbg(q->dev, "munmap %p q=%p\n", map, q);
+ videobuf_queue_lock(q);
/* We need first to cancel streams, before unmapping */
if (q->streaming)
kfree(map);
+ videobuf_queue_unlock(q);
}
- videobuf_queue_unlock(q);
}
static const struct vm_operations_struct videobuf_vm_ops = {
static void videobuf_vm_open(struct vm_area_struct *vma)
{
struct videobuf_mapping *map = vma->vm_private_data;
- struct videobuf_queue *q = map->q;
dprintk(2, "vm_open %p [count=%d,vma=%08lx-%08lx]\n", map,
map->count, vma->vm_start, vma->vm_end);
- videobuf_queue_lock(q);
map->count++;
- videobuf_queue_unlock(q);
}
static void videobuf_vm_close(struct vm_area_struct *vma)
dprintk(2, "vm_close %p [count=%d,vma=%08lx-%08lx]\n", map,
map->count, vma->vm_start, vma->vm_end);
- videobuf_queue_lock(q);
- if (!--map->count) {
+ map->count--;
+ if (0 == map->count) {
dprintk(1, "munmap %p q=%p\n", map, q);
+ videobuf_queue_lock(q);
for (i = 0; i < VIDEO_MAX_FRAME; i++) {
if (NULL == q->bufs[i])
continue;
q->bufs[i]->baddr = 0;
q->ops->buf_release(q, q->bufs[i]);
}
+ videobuf_queue_unlock(q);
kfree(map);
}
- videobuf_queue_unlock(q);
return;
}
static void videobuf_vm_open(struct vm_area_struct *vma)
{
struct videobuf_mapping *map = vma->vm_private_data;
- struct videobuf_queue *q = map->q;
dprintk(2, "vm_open %p [count=%u,vma=%08lx-%08lx]\n", map,
map->count, vma->vm_start, vma->vm_end);
- videobuf_queue_lock(q);
map->count++;
- videobuf_queue_unlock(q);
}
static void videobuf_vm_close(struct vm_area_struct *vma)
dprintk(2, "vm_close %p [count=%u,vma=%08lx-%08lx]\n", map,
map->count, vma->vm_start, vma->vm_end);
- videobuf_queue_lock(q);
- if (!--map->count) {
+ map->count--;
+ if (0 == map->count) {
struct videobuf_vmalloc_memory *mem;
dprintk(1, "munmap %p q=%p\n", map, q);
+ videobuf_queue_lock(q);
/* We need first to cancel streams, before unmapping */
if (q->streaming)
kfree(map);
+ videobuf_queue_unlock(q);
}
- videobuf_queue_unlock(q);
return;
}
return 0;
}
+ if (!q->num_buffers) {
+ dprintk(1, "streamon: no buffers have been allocated\n");
+ return -EINVAL;
+ }
+
/*
* If any buffers were queued before streamon,
* we can now pass them to driver for processing.
}
}
+static void dock_event(acpi_handle handle, u32 type, void *data)
+{
+ struct acpiphp_context *context;
+
+ mutex_lock(&acpiphp_context_lock);
+ context = acpiphp_get_context(handle);
+ if (!context || WARN_ON(context->handle != handle)
+ || context->func.parent->is_going_away) {
+ mutex_unlock(&acpiphp_context_lock);
+ return;
+ }
+ get_bridge(context->func.parent);
+ acpiphp_put_context(context);
+ mutex_unlock(&acpiphp_context_lock);
+
+ hotplug_event(handle, type, data);
+
+ put_bridge(context->func.parent);
+}
static const struct acpi_dock_ops acpiphp_dock_ops = {
.fixup = post_dock_fixups,
- .handler = hotplug_event,
+ .handler = dock_event,
};
/* Check whether the PCI device is managed by native PCIe hotplug driver */
list_del(&bridge->list);
mutex_unlock(&bridge_mutex);
+ mutex_lock(&acpiphp_context_lock);
bridge->is_going_away = true;
+ mutex_unlock(&acpiphp_context_lock);
}
/**
/* The device is a bridge. so check the bus below it. */
pm_runtime_get_sync(&dev->dev);
- list_for_each_entry_safe(child, tmp, &bus->devices, bus_list)
+ list_for_each_entry_safe_reverse(child, tmp, &bus->devices, bus_list)
trim_stale_devices(child);
pm_runtime_put(&dev->dev);
; /* do nothing */
} else if (get_slot_status(slot) == ACPI_STA_ALL) {
/* remove stale devices if any */
- list_for_each_entry_safe(dev, tmp, &bus->devices,
- bus_list)
+ list_for_each_entry_safe_reverse(dev, tmp,
+ &bus->devices, bus_list)
if (PCI_SLOT(dev->devfn) == slot->device)
trim_stale_devices(dev);
int i;
unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM;
- list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) {
+ list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) {
for (i=0; i<PCI_BRIDGE_RESOURCES; i++) {
struct resource *res = &dev->resource[i];
if ((res->flags & type_mask) && !res->start &&
bridge = acpiphp_handle_to_bridge(handle);
if (bridge) {
+ pci_lock_rescan_remove();
+
acpiphp_check_bridge(bridge);
+
+ pci_unlock_rescan_remove();
put_bridge(bridge);
}
}
mutex_unlock(&acpiphp_context_lock);
+ pci_lock_rescan_remove();
acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);
switch (type) {
break;
}
+ pci_unlock_rescan_remove();
if (bridge)
put_bridge(bridge);
}
acpi_handle handle = context->handle;
acpi_scan_lock_acquire();
- pci_lock_rescan_remove();
hotplug_event(handle, type, context);
- pci_unlock_rescan_remove();
acpi_scan_lock_release();
acpi_evaluate_hotplug_ost(handle, type, ACPI_OST_SC_SUCCESS, NULL);
put_bridge(context->func.parent);
{
struct acpiphp_context *context;
u32 ost_code = ACPI_OST_SC_SUCCESS;
+ acpi_status status;
switch (type) {
case ACPI_NOTIFY_BUS_CHECK:
mutex_lock(&acpiphp_context_lock);
context = acpiphp_get_context(handle);
- if (context && !WARN_ON(context->handle != handle)) {
- get_bridge(context->func.parent);
- acpiphp_put_context(context);
- acpi_hotplug_execute(hotplug_event_work, context, type);
+ if (!context || WARN_ON(context->handle != handle)
+ || context->func.parent->is_going_away)
+ goto err_out;
+
+ get_bridge(context->func.parent);
+ acpiphp_put_context(context);
+ status = acpi_hotplug_execute(hotplug_event_work, context, type);
+ if (ACPI_SUCCESS(status)) {
mutex_unlock(&acpiphp_context_lock);
return;
}
+ put_bridge(context->func.parent);
+
+ err_out:
mutex_unlock(&acpiphp_context_lock);
ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE;
kref_init(&p->users);
/* Add the pinctrl handle to the global list */
+ mutex_lock(&pinctrl_list_mutex);
list_add_tail(&p->node, &pinctrl_list);
+ mutex_unlock(&pinctrl_list_mutex);
return p;
}
device_root, pctldev, &pinctrl_groups_ops);
debugfs_create_file("gpio-ranges", S_IFREG | S_IRUGO,
device_root, pctldev, &pinctrl_gpioranges_ops);
- pinmux_init_device_debugfs(device_root, pctldev);
- pinconf_init_device_debugfs(device_root, pctldev);
+ if (pctldev->desc->pmxops)
+ pinmux_init_device_debugfs(device_root, pctldev);
+ if (pctldev->desc->confops)
+ pinconf_init_device_debugfs(device_root, pctldev);
}
static void pinctrl_remove_device_debugfs(struct pinctrl_dev *pctldev)
switch (type) {
case IRQ_TYPE_EDGE_RISING:
- irq_set_handler(d->irq, handle_simple_irq);
+ __irq_set_handler_locked(d->irq, handle_simple_irq);
writel_relaxed(mask, pio + PIO_ESR);
writel_relaxed(mask, pio + PIO_REHLSR);
break;
case IRQ_TYPE_EDGE_FALLING:
- irq_set_handler(d->irq, handle_simple_irq);
+ __irq_set_handler_locked(d->irq, handle_simple_irq);
writel_relaxed(mask, pio + PIO_ESR);
writel_relaxed(mask, pio + PIO_FELLSR);
break;
case IRQ_TYPE_LEVEL_LOW:
- irq_set_handler(d->irq, handle_level_irq);
+ __irq_set_handler_locked(d->irq, handle_level_irq);
writel_relaxed(mask, pio + PIO_LSR);
writel_relaxed(mask, pio + PIO_FELLSR);
break;
case IRQ_TYPE_LEVEL_HIGH:
- irq_set_handler(d->irq, handle_level_irq);
+ __irq_set_handler_locked(d->irq, handle_level_irq);
writel_relaxed(mask, pio + PIO_LSR);
writel_relaxed(mask, pio + PIO_REHLSR);
break;
* disable additional interrupt modes:
* fall back to default behavior
*/
- irq_set_handler(d->irq, handle_simple_irq);
+ __irq_set_handler_locked(d->irq, handle_simple_irq);
writel_relaxed(mask, pio + PIO_AIMDR);
return 0;
case IRQ_TYPE_NONE:
#define MX1_DDIR 0x00
#define MX1_OCR 0x04
#define MX1_ICONFA 0x0c
-#define MX1_ICONFB 0x10
+#define MX1_ICONFB 0x14
#define MX1_GIUS 0x20
#define MX1_GPR 0x38
#define MX1_PUEN 0x40
u32 old_val;
u32 new_val;
- dev_dbg(ipctl->dev, "write: register 0x%p offset %d value 0x%x\n",
- reg, offset, value);
-
/* Use the next register if the pin's port pin number is >=16 */
if (pin_id % 32 >= 16)
reg += 0x04;
+ dev_dbg(ipctl->dev, "write: register 0x%p offset %d value 0x%x\n",
+ reg, offset, value);
+
/* Get current state of pins */
old_val = readl(reg);
old_val &= mask;
u32 reg_offset)
{
void __iomem *reg = imx1_mem(ipctl, pin_id) + reg_offset;
- int offset = pin_id % 16;
+ int offset = (pin_id % 16) * 2;
/* Use the next register if the pin's port pin number is >=16 */
if (pin_id % 32 >= 16)
GFP_KERNEL);
if (!pmx->regs) {
dev_err(&pdev->dev, "Can't alloc regs pointer\n");
- return -ENODEV;
+ return -ENOMEM;
}
for (i = 0; i < pmx->nbanks; i++) {
.funcval = 0,
};
-static const unsigned ac97_pins[] = { 33, 34, 35, 36 };
+static const unsigned ac97_pins[] = { 43, 44, 45, 46 };
static const struct sirfsoc_muxmask spi1_muxmask[] = {
{
if (!configs)
return -ENOMEM;
- configs[0] = pull;
+ switch (pull) {
+ case 0:
+ configs[0] = PIN_CONFIG_BIAS_DISABLE;
+ break;
+ case 1:
+ configs[0] = PIN_CONFIG_BIAS_PULL_DOWN;
+ break;
+ case 2:
+ configs[0] = PIN_CONFIG_BIAS_PULL_UP;
+ break;
+ default:
+ configs[0] = PIN_CONFIG_BIAS_DISABLE;
+ dev_err(data->dev, "invalid pull state %d - disabling\n", pull);
+ }
map->type = PIN_MAP_TYPE_CONFIGS_PIN;
map->data.configs.group_or_pin = data->groups[group];
if (usbdev->descriptor.bNumConfigurations != 1) {
dev_err(&interface->dev, "can't handle multiple config\n");
- return -ENODEV;
+ goto failed2;
}
vendor = le16_to_cpu(usbdev->descriptor.idVendor);
return 0;
failed2:
+ usb_put_dev(usbdev);
dev_err(&interface->dev, "probe failed\n");
return -ENODEV;
}
static void go7007_loader_disconnect(struct usb_interface *interface)
{
dev_info(&interface->dev, "disconnect\n");
+ usb_put_dev(interface_to_usbdev(interface));
usb_set_intfdata(interface, NULL);
}
config DW_WATCHDOG
tristate "Synopsys DesignWare watchdog"
+ depends on HAS_IOMEM
help
Say Y here if to include support for the Synopsys DesignWare
watchdog timer found in many chips.
bytes = min(bytes, working_bytes);
kaddr = kmap_atomic(page_out);
memcpy(kaddr + *pg_offset, buf + buf_offset, bytes);
+ if (*pg_index == (vcnt - 1) && *pg_offset == 0)
+ memset(kaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
kunmap_atomic(kaddr);
flush_dcache_page(page_out);
spin_unlock(&delayed_refs->lock);
locked_ref = NULL;
cond_resched();
+ count++;
continue;
}
spin_lock(&root->fs_info->super_lock);
strcpy(super_block->label, label);
spin_unlock(&root->fs_info->super_lock);
- ret = btrfs_end_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans, root);
out_unlock:
mnt_drop_write_file(file);
if (ret)
return ret;
- trans = btrfs_start_transaction(root, 1);
+ trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans))
return PTR_ERR(trans);
btrfs_set_super_incompat_flags(super_block, newflags);
spin_unlock(&root->fs_info->super_lock);
- return btrfs_end_transaction(trans, root);
+ return btrfs_commit_transaction(trans, root);
}
long btrfs_ioctl(struct file *file, unsigned int
return 0;
}
-#ifdef CONFIG_BTRFS_ASSERT
-
static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
{
struct rb_node *n = sctx->waiting_dir_moves.rb_node;
return -ENOENT;
}
-#endif
-
static int add_pending_dir_move(struct send_ctx *sctx, u64 parent_ino)
{
struct rb_node **p = &sctx->pending_dir_moves.rb_node;
}
sctx->send_progress = sctx->cur_ino + 1;
- ASSERT(del_waiting_dir_move(sctx, pm->ino) == 0);
+ ret = del_waiting_dir_move(sctx, pm->ino);
+ ASSERT(ret == 0);
+
ret = get_cur_path(sctx, pm->ino, pm->gen, to_path);
if (ret < 0)
goto out;
if (rc > 0) {
ssize_t err;
- err = generic_write_sync(file, pos, rc);
- if (err < 0 && rc > 0)
+ err = generic_write_sync(file, iocb->ki_pos - rc, rc);
+ if (err < 0)
rc = err;
}
if (ret > 0) {
ssize_t err;
- err = generic_write_sync(file, pos, ret);
+ err = generic_write_sync(file, iocb->ki_pos - ret, ret);
if (err < 0 && ret > 0)
ret = err;
}
int rc;
tid_t tid;
- if ((rc = can_set_xattr(inode, name, value, value_len)))
- return rc;
-
/*
* If this is a request for a synthetic attribute in the system.*
* namespace use the generic infrastructure to resolve a handler
if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
return generic_setxattr(dentry, name, value, value_len, flags);
+ if ((rc = can_set_xattr(inode, name, value, value_len)))
+ return rc;
+
if (value == NULL) { /* empty EA, do not remove */
value = "";
value_len = 0;
int rc;
tid_t tid;
- if ((rc = can_set_xattr(inode, name, NULL, 0)))
- return rc;
-
/*
* If this is a request for a synthetic attribute in the system.*
* namespace use the generic infrastructure to resolve a handler
if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
return generic_removexattr(dentry, name);
+ if ((rc = can_set_xattr(inode, name, NULL, 0)))
+ return rc;
+
tid = txBegin(inode->i_sb, 0);
mutex_lock(&ji->commit_mutex);
rc = __jfs_setxattr(tid, dentry->d_inode, name, NULL, 0, XATTR_REPLACE);
* attributes are handled directly.
*/
const struct xattr_handler *jfs_xattr_handlers[] = {
-#ifdef JFS_POSIX_ACL
+#ifdef CONFIG_JFS_POSIX_ACL
&posix_acl_access_xattr_handler,
&posix_acl_default_xattr_handler,
#endif
kn->u.completion = (void *)&wait;
- rwsem_acquire(&kn->dep_map, 0, 0, _RET_IP_);
+ if (kn->flags & KERNFS_LOCKDEP)
+ rwsem_acquire(&kn->dep_map, 0, 0, _RET_IP_);
/* atomic_add_return() is a mb(), put_active() will always see
* the updated kn->u.completion.
*/
v = atomic_add_return(KN_DEACTIVATED_BIAS, &kn->active);
if (v != KN_DEACTIVATED_BIAS) {
- lock_contended(&kn->dep_map, _RET_IP_);
+ if (kn->flags & KERNFS_LOCKDEP)
+ lock_contended(&kn->dep_map, _RET_IP_);
wait_for_completion(&wait);
}
- lock_acquired(&kn->dep_map, _RET_IP_);
- rwsem_release(&kn->dep_map, 1, _RET_IP_);
+ if (kn->flags & KERNFS_LOCKDEP) {
+ lock_acquired(&kn->dep_map, _RET_IP_);
+ rwsem_release(&kn->dep_map, 1, _RET_IP_);
+ }
}
/**
ret = ntfs_file_aio_write_nolock(iocb, iov, nr_segs, &iocb->ki_pos);
mutex_unlock(&inode->i_mutex);
if (ret > 0) {
- int err = generic_write_sync(file, pos, ret);
+ int err = generic_write_sync(file, iocb->ki_pos - ret, ret);
if (err < 0)
ret = err;
}
return do_fsync(fd, 1);
}
-/**
- * generic_write_sync - perform syncing after a write if file / inode is sync
- * @file: file to which the write happened
- * @pos: offset where the write started
- * @count: length of the write
- *
- * This is just a simple wrapper about our general syncing function.
- */
-int generic_write_sync(struct file *file, loff_t pos, loff_t count)
-{
- if (!(file->f_flags & O_DSYNC) && !IS_SYNC(file->f_mapping->host))
- return 0;
- return vfs_fsync_range(file, pos, pos + count - 1,
- (file->f_flags & __O_SYNC) ? 0 : 1);
-}
-EXPORT_SYMBOL(generic_write_sync);
-
/*
* sys_sync_file_range() permits finely controlled syncing over a segment of
* a file in the range offset .. (offset+nbytes-1) inclusive. If nbytes is
XFS_STATS_ADD(xs_write_bytes, ret);
/* Handle various SYNC-type writes */
- err = generic_write_sync(file, pos, ret);
+ err = generic_write_sync(file, iocb->ki_pos - ret, ret);
if (err < 0)
ret = err;
}
extern int vfs_fsync_range(struct file *file, loff_t start, loff_t end,
int datasync);
extern int vfs_fsync(struct file *file, int datasync);
-extern int generic_write_sync(struct file *file, loff_t pos, loff_t count);
+static inline int generic_write_sync(struct file *file, loff_t pos, loff_t count)
+{
+ if (!(file->f_flags & O_DSYNC) && !IS_SYNC(file->f_mapping->host))
+ return 0;
+ return vfs_fsync_range(file, pos, pos + count - 1,
+ (file->f_flags & __O_SYNC) ? 0 : 1);
+}
extern void emergency_sync(void);
extern void emergency_remount(void);
#ifdef CONFIG_BLOCK
THP_ZERO_PAGE_ALLOC,
THP_ZERO_PAGE_ALLOC_FAILED,
#endif
+#ifdef CONFIG_DEBUG_TLBFLUSH
#ifdef CONFIG_SMP
NR_TLB_REMOTE_FLUSH, /* cpu tried to flush others' tlbs */
NR_TLB_REMOTE_FLUSH_RECEIVED,/* cpu received ipi for flush */
-#endif
+#endif /* CONFIG_SMP */
NR_TLB_LOCAL_FLUSH_ALL,
NR_TLB_LOCAL_FLUSH_ONE,
+#endif /* CONFIG_DEBUG_TLBFLUSH */
NR_VM_EVENT_ITEMS
};
#define count_vm_numa_events(x, y) do { (void)(y); } while (0)
#endif /* CONFIG_NUMA_BALANCING */
+#ifdef CONFIG_DEBUG_TLBFLUSH
+#define count_vm_tlb_event(x) count_vm_event(x)
+#define count_vm_tlb_events(x, y) count_vm_events(x, y)
+#else
+#define count_vm_tlb_event(x) do {} while (0)
+#define count_vm_tlb_events(x, y) do { (void)(y); } while (0)
+#endif
+
#define __count_zone_vm_events(item, zone, delta) \
__count_vm_events(item##_NORMAL - ZONE_NORMAL + \
zone_idx(zone), delta)
# Generic configurable interrupt chip implementation
config GENERIC_IRQ_CHIP
bool
+ select IRQ_DOMAIN
# Generic irq_domain hw <--> linux irq number translation
config IRQ_DOMAIN
obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
+GCOV_PROFILE_hweight.o := n
CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
if (ret > 0) {
ssize_t err;
- err = generic_write_sync(file, pos, ret);
- if (err < 0 && ret > 0)
+ err = generic_write_sync(file, iocb->ki_pos - ret, ret);
+ if (err < 0)
ret = err;
}
return ret;
"thp_zero_page_alloc",
"thp_zero_page_alloc_failed",
#endif
+#ifdef CONFIG_DEBUG_TLBFLUSH
#ifdef CONFIG_SMP
"nr_tlb_remote_flush",
"nr_tlb_remote_flush_received",
-#endif
+#endif /* CONFIG_SMP */
"nr_tlb_local_flush_all",
"nr_tlb_local_flush_one",
+#endif /* CONFIG_DEBUG_TLBFLUSH */
#endif /* CONFIG_VM_EVENTS_COUNTERS */
};
if (!cursor->bvec_iter.bi_size) {
bio = bio->bi_next;
- cursor->bvec_iter = bio->bi_iter;
+ cursor->bio = bio;
+ if (bio)
+ cursor->bvec_iter = bio->bi_iter;
+ else
+ memset(&cursor->bvec_iter, 0,
+ sizeof(cursor->bvec_iter));
}
- cursor->bio = bio;
if (!cursor->last_piece) {
BUG_ON(!cursor->resid);
__send_request(osdc, req);
}
+/*
+ * Caller should hold map_sem for read and request_mutex.
+ */
+static int __ceph_osdc_start_request(struct ceph_osd_client *osdc,
+ struct ceph_osd_request *req,
+ bool nofail)
+{
+ int rc;
+
+ __register_request(osdc, req);
+ req->r_sent = 0;
+ req->r_got_reply = 0;
+ rc = __map_request(osdc, req, 0);
+ if (rc < 0) {
+ if (nofail) {
+ dout("osdc_start_request failed map, "
+ " will retry %lld\n", req->r_tid);
+ rc = 0;
+ } else {
+ __unregister_request(osdc, req);
+ }
+ return rc;
+ }
+
+ if (req->r_osd == NULL) {
+ dout("send_request %p no up osds in pg\n", req);
+ ceph_monc_request_next_osdmap(&osdc->client->monc);
+ } else {
+ __send_queued(osdc);
+ }
+
+ return 0;
+}
+
/*
* Timeout callback, called every N seconds when 1 or more osd
* requests has been active for more than N seconds. When this
osdmap_epoch = ceph_decode_32(&p);
/* lookup */
+ down_read(&osdc->map_sem);
mutex_lock(&osdc->request_mutex);
req = __lookup_request(osdc, tid);
if (req == NULL) {
dout("redirect pool %lld\n", redir.oloc.pool);
__unregister_request(osdc, req);
- mutex_unlock(&osdc->request_mutex);
req->r_target_oloc = redir.oloc; /* struct */
* successfully. In the future we might want to follow
* original request's nofail setting here.
*/
- err = ceph_osdc_start_request(osdc, req, true);
+ err = __ceph_osdc_start_request(osdc, req, true);
BUG_ON(err);
- goto done;
+ goto out_unlock;
}
already_completed = req->r_got_reply;
req->r_got_reply = 1;
} else if ((flags & CEPH_OSD_FLAG_ONDISK) == 0) {
dout("handle_reply tid %llu dup ack\n", tid);
- mutex_unlock(&osdc->request_mutex);
- goto done;
+ goto out_unlock;
}
dout("handle_reply tid %llu flags %d\n", tid, flags);
__unregister_request(osdc, req);
mutex_unlock(&osdc->request_mutex);
+ up_read(&osdc->map_sem);
if (!already_completed) {
if (req->r_unsafe_callback &&
complete_request(req);
}
-done:
+out:
dout("req=%p req->r_linger=%d\n", req, req->r_linger);
ceph_osdc_put_request(req);
return;
+out_unlock:
+ mutex_unlock(&osdc->request_mutex);
+ up_read(&osdc->map_sem);
+ goto out;
bad_put:
req->r_result = -EIO;
ceph_osdc_put_request(req);
bad_mutex:
mutex_unlock(&osdc->request_mutex);
+ up_read(&osdc->map_sem);
bad:
pr_err("corrupt osd_op_reply got %d %d\n",
(int)msg->front.iov_len, le32_to_cpu(msg->hdr.front_len));
struct ceph_osd_request *req,
bool nofail)
{
- int rc = 0;
+ int rc;
down_read(&osdc->map_sem);
mutex_lock(&osdc->request_mutex);
- __register_request(osdc, req);
- req->r_sent = 0;
- req->r_got_reply = 0;
- rc = __map_request(osdc, req, 0);
- if (rc < 0) {
- if (nofail) {
- dout("osdc_start_request failed map, "
- " will retry %lld\n", req->r_tid);
- rc = 0;
- } else {
- __unregister_request(osdc, req);
- }
- goto out_unlock;
- }
- if (req->r_osd == NULL) {
- dout("send_request %p no up osds in pg\n", req);
- ceph_monc_request_next_osdmap(&osdc->client->monc);
- } else {
- __send_queued(osdc);
- }
- rc = 0;
-out_unlock:
+
+ rc = __ceph_osdc_start_request(osdc, req, nofail);
+
mutex_unlock(&osdc->request_mutex);
up_read(&osdc->map_sem);
+
return rc;
}
EXPORT_SYMBOL(ceph_osdc_start_request);
err = -ENOMEM;
osdc->notify_wq = create_singlethread_workqueue("ceph-watch-notify");
if (!osdc->notify_wq)
- goto out_msgpool;
+ goto out_msgpool_reply;
+
return 0;
+out_msgpool_reply:
+ ceph_msgpool_destroy(&osdc->msgpool_op_reply);
out_msgpool:
ceph_msgpool_destroy(&osdc->msgpool_op);
out_mempool:
config LSM_MMAP_MIN_ADDR
int "Low address space for LSM to protect from user allocation"
depends on SECURITY && SECURITY_SELINUX
- default 32768 if ARM
+ default 32768 if ARM || (ARM64 && COMPAT)
default 65536
help
This is the portion of low virtual memory which should be protected
#include <linux/inet_diag.h>
#include <linux/xfrm.h>
#include <linux/audit.h>
+#include <linux/sock_diag.h>
#include "flask.h"
#include "av_permissions.h"
{
{ TCPDIAG_GETSOCK, NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
{ DCCPDIAG_GETSOCK, NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
+ { SOCK_DIAG_BY_FAMILY, NETLINK_TCPDIAG_SOCKET__NLMSG_READ },
};
static struct nlmsg_perm nlmsg_xfrm_perms[] =
struct context context;
int rc = 0;
+ /* An empty security context is never valid. */
+ if (!scontext_len)
+ return -EINVAL;
+
if (!ss_initialized) {
int i;
return 0;
}
+static bool same_kallsyms_reloc(const char *from_dir, char *to_dir)
+{
+ char from[PATH_MAX];
+ char to[PATH_MAX];
+ const char *name;
+ u64 addr1 = 0, addr2 = 0;
+ int i;
+
+ scnprintf(from, sizeof(from), "%s/kallsyms", from_dir);
+ scnprintf(to, sizeof(to), "%s/kallsyms", to_dir);
+
+ for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) {
+ addr1 = kallsyms__get_function_start(from, name);
+ if (addr1)
+ break;
+ }
+
+ if (name)
+ addr2 = kallsyms__get_function_start(to, name);
+
+ return addr1 == addr2;
+}
+
static int build_id_cache__kcore_existing(const char *from_dir, char *to_dir,
size_t to_dir_sz)
{
char from[PATH_MAX];
char to[PATH_MAX];
+ char to_subdir[PATH_MAX];
struct dirent *dent;
int ret = -1;
DIR *d;
continue;
scnprintf(to, sizeof(to), "%s/%s/modules", to_dir,
dent->d_name);
- if (!compare_proc_modules(from, to)) {
- scnprintf(to, sizeof(to), "%s/%s", to_dir,
- dent->d_name);
- strlcpy(to_dir, to, to_dir_sz);
+ scnprintf(to_subdir, sizeof(to_subdir), "%s/%s",
+ to_dir, dent->d_name);
+ if (!compare_proc_modules(from, to) &&
+ same_kallsyms_reloc(from_dir, to_subdir)) {
+ strlcpy(to_dir, to_subdir, to_dir_sz);
ret = 0;
break;
}
* have no _text sometimes.
*/
err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
- machine, "_text");
- if (err < 0)
- err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
- machine, "_stext");
+ machine);
if (err < 0)
pr_err("Couldn't record guest kernel [%d]'s reference"
" relocation symbol.\n", machine->pid);
}
err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
- machine, "_text");
- if (err < 0)
- err = perf_event__synthesize_kernel_mmap(tool, process_synthesized_event,
- machine, "_stext");
+ machine);
if (err < 0)
pr_err("Couldn't record kernel reference relocation symbol\n"
"Symbol resolution may be skewed if relocation was used (e.g. kexec).\n"
will need at least this:
- asm/perf_event.h - a basic stub will suffice at first
- support for atomic64 types (and associated helper functions)
- - set_perf_event_pending() implemented
If your architecture does have hardware capabilities, you can override the
weak stub hw_perf_event_init() to register hardware counters.
#ifdef __aarch64__
#define mb() asm volatile("dmb ish" ::: "memory")
-#define wmb() asm volatile("dmb ishld" ::: "memory")
-#define rmb() asm volatile("dmb ishst" ::: "memory")
+#define wmb() asm volatile("dmb ishst" ::: "memory")
+#define rmb() asm volatile("dmb ishld" ::: "memory")
#define cpu_relax() asm volatile("yield" ::: "memory")
#endif
struct map *kallsyms_map, *vmlinux_map;
struct machine kallsyms, vmlinux;
enum map_type type = MAP__FUNCTION;
- struct ref_reloc_sym ref_reloc_sym = { .name = "_stext", };
u64 mem_start, mem_end;
/*
*/
kallsyms_map = machine__kernel_map(&kallsyms, type);
- sym = map__find_symbol_by_name(kallsyms_map, ref_reloc_sym.name, NULL);
- if (sym == NULL) {
- pr_debug("dso__find_symbol_by_name ");
- goto out;
- }
-
- ref_reloc_sym.addr = UM(sym->start);
-
/*
* Step 5:
*
}
vmlinux_map = machine__kernel_map(&vmlinux, type);
- map__kmap(vmlinux_map)->ref_reloc_sym = &ref_reloc_sym;
/*
* Step 6:
return 1;
}
+u64 kallsyms__get_function_start(const char *kallsyms_filename,
+ const char *symbol_name)
+{
+ struct process_symbol_args args = { .name = symbol_name, };
+
+ if (kallsyms__parse(kallsyms_filename, &args, find_symbol_cb) <= 0)
+ return 0;
+
+ return args.start;
+}
+
int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
perf_event__handler_t process,
- struct machine *machine,
- const char *symbol_name)
+ struct machine *machine)
{
size_t size;
- const char *filename, *mmap_name;
- char path[PATH_MAX];
+ const char *mmap_name;
char name_buff[PATH_MAX];
struct map *map;
+ struct kmap *kmap;
int err;
/*
* We should get this from /sys/kernel/sections/.text, but till that is
* available use this, and after it is use this as a fallback for older
* kernels.
*/
- struct process_symbol_args args = { .name = symbol_name, };
union perf_event *event = zalloc((sizeof(event->mmap) +
machine->id_hdr_size));
if (event == NULL) {
* see kernel/perf_event.c __perf_event_mmap
*/
event->header.misc = PERF_RECORD_MISC_KERNEL;
- filename = "/proc/kallsyms";
} else {
event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
- if (machine__is_default_guest(machine))
- filename = (char *) symbol_conf.default_guest_kallsyms;
- else {
- sprintf(path, "%s/proc/kallsyms", machine->root_dir);
- filename = path;
- }
- }
-
- if (kallsyms__parse(filename, &args, find_symbol_cb) <= 0) {
- free(event);
- return -ENOENT;
}
map = machine->vmlinux_maps[MAP__FUNCTION];
+ kmap = map__kmap(map);
size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
- "%s%s", mmap_name, symbol_name) + 1;
+ "%s%s", mmap_name, kmap->ref_reloc_sym->name) + 1;
size = PERF_ALIGN(size, sizeof(u64));
event->mmap.header.type = PERF_RECORD_MMAP;
event->mmap.header.size = (sizeof(event->mmap) -
(sizeof(event->mmap.filename) - size) + machine->id_hdr_size);
- event->mmap.pgoff = args.start;
+ event->mmap.pgoff = kmap->ref_reloc_sym->addr;
event->mmap.start = map->start;
event->mmap.len = map->end - event->mmap.start;
event->mmap.pid = machine->pid;
struct machine *machine, bool mmap_data);
int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
perf_event__handler_t process,
- struct machine *machine,
- const char *symbol_name);
+ struct machine *machine);
int perf_event__synthesize_modules(struct perf_tool *tool,
perf_event__handler_t process,
size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
size_t perf_event__fprintf(union perf_event *event, FILE *fp);
+u64 kallsyms__get_function_start(const char *kallsyms_filename,
+ const char *symbol_name);
+
#endif /* __PERF_RECORD_H */
--- /dev/null
+#ifndef __ASM_GENERIC_HASH_H
+#define __ASM_GENERIC_HASH_H
+
+/* Stub */
+
+#endif /* __ASM_GENERIC_HASH_H */
return 1;
}
+static void machine__get_kallsyms_filename(struct machine *machine, char *buf,
+ size_t bufsz)
+{
+ if (machine__is_default_guest(machine))
+ scnprintf(buf, bufsz, "%s", symbol_conf.default_guest_kallsyms);
+ else
+ scnprintf(buf, bufsz, "%s/proc/kallsyms", machine->root_dir);
+}
+
/* Figure out the start address of kernel map from /proc/kallsyms */
static u64 machine__get_kernel_start_addr(struct machine *machine)
{
- const char *filename;
- char path[PATH_MAX];
+ char filename[PATH_MAX];
struct process_args args;
- if (machine__is_default_guest(machine))
- filename = (char *)symbol_conf.default_guest_kallsyms;
- else {
- sprintf(path, "%s/proc/kallsyms", machine->root_dir);
- filename = path;
- }
+ machine__get_kallsyms_filename(machine, filename, PATH_MAX);
if (symbol__restricted_filename(filename, "/proc/kallsyms"))
return 0;
return 0;
}
+const char *ref_reloc_sym_names[] = {"_text", "_stext", NULL};
+
int machine__create_kernel_maps(struct machine *machine)
{
struct dso *kernel = machine__get_kernel(machine);
+ char filename[PATH_MAX];
+ const char *name;
+ u64 addr = 0;
+ int i;
+
+ machine__get_kallsyms_filename(machine, filename, PATH_MAX);
+
+ for (i = 0; (name = ref_reloc_sym_names[i]) != NULL; i++) {
+ addr = kallsyms__get_function_start(filename, name);
+ if (addr)
+ break;
+ }
+ if (!addr)
+ return -1;
if (kernel == NULL ||
__machine__create_kernel_maps(machine, kernel) < 0)
* Now that we have all the maps created, just set the ->end of them:
*/
map_groups__fixup_end(&machine->kmaps);
+
+ if (maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, name,
+ addr)) {
+ machine__destroy_kernel_maps(machine);
+ return -1;
+ }
+
return 0;
}
#define HOST_KERNEL_ID (-1)
#define DEFAULT_GUEST_KERNEL_ID (0)
+extern const char *ref_reloc_sym_names[];
+
struct machine {
struct rb_node rb_node;
pid_t pid;
map->start = start;
map->end = end;
map->pgoff = pgoff;
+ map->reloc = 0;
map->dso = dso;
map->map_ip = map__map_ip;
map->unmap_ip = map__unmap_ip;
if (map->dso->rel)
return rip - map->pgoff;
- return map->unmap_ip(map, rip);
+ return map->unmap_ip(map, rip) - map->reloc;
}
/**
if (map->dso->rel)
return map->unmap_ip(map, ip + map->pgoff);
- return ip;
+ return ip + map->reloc;
}
void map_groups__init(struct map_groups *mg)
bool erange_warned;
u32 priv;
u64 pgoff;
+ u64 reloc;
u32 maj, min; /* only valid for MMAP2 record */
u64 ino; /* only valid for MMAP2 record */
u64 ino_generation;/* only valid for MMAP2 record */
if (strcmp(elf_name, kmap->ref_reloc_sym->name))
continue;
kmap->ref_reloc_sym->unrelocated_addr = sym.st_value;
+ map->reloc = kmap->ref_reloc_sym->addr -
+ kmap->ref_reloc_sym->unrelocated_addr;
break;
}
}
(u64)shdr.sh_offset);
sym.st_value -= shdr.sh_addr - shdr.sh_offset;
}
+new_symbol:
/*
* We need to figure out if the object was created from C++ sources
* DWARF DW_compile_unit has this, but we don't always have access
if (demangled != NULL)
elf_name = demangled;
}
-new_symbol:
f = symbol__new(sym.st_value, sym.st_size,
GELF_ST_BIND(sym.st_info), elf_name);
free(demangled);
* kernel range is broken in several maps, named [kernel].N, as we don't have
* the original ELF section names vmlinux have.
*/
-static int dso__split_kallsyms(struct dso *dso, struct map *map,
+static int dso__split_kallsyms(struct dso *dso, struct map *map, u64 delta,
symbol_filter_t filter)
{
struct map_groups *kmaps = map__kmap(map)->kmaps;
char dso_name[PATH_MAX];
struct dso *ndso;
+ if (delta) {
+ /* Kernel was relocated at boot time */
+ pos->start -= delta;
+ pos->end -= delta;
+ }
+
if (count == 0) {
curr_map = map;
goto filter_symbol;
curr_map->map_ip = curr_map->unmap_ip = identity__map_ip;
map_groups__insert(kmaps, curr_map);
++kernel_range;
+ } else if (delta) {
+ /* Kernel was relocated at boot time */
+ pos->start -= delta;
+ pos->end -= delta;
}
filter_symbol:
if (filter && filter(curr_map, pos)) {
return 0;
}
+static int validate_kcore_addresses(const char *kallsyms_filename,
+ struct map *map)
+{
+ struct kmap *kmap = map__kmap(map);
+
+ if (kmap->ref_reloc_sym && kmap->ref_reloc_sym->name) {
+ u64 start;
+
+ start = kallsyms__get_function_start(kallsyms_filename,
+ kmap->ref_reloc_sym->name);
+ if (start != kmap->ref_reloc_sym->addr)
+ return -EINVAL;
+ }
+
+ return validate_kcore_modules(kallsyms_filename, map);
+}
+
struct kcore_mapfn_data {
struct dso *dso;
enum map_type type;
kallsyms_filename))
return -EINVAL;
- /* All modules must be present at their original addresses */
- if (validate_kcore_modules(kallsyms_filename, map))
+ /* Modules and kernel must be present at their original addresses */
+ if (validate_kcore_addresses(kallsyms_filename, map))
return -EINVAL;
md.dso = dso;
return -EINVAL;
}
+/*
+ * If the kernel is relocated at boot time, kallsyms won't match. Compute the
+ * delta based on the relocation reference symbol.
+ */
+static int kallsyms__delta(struct map *map, const char *filename, u64 *delta)
+{
+ struct kmap *kmap = map__kmap(map);
+ u64 addr;
+
+ if (!kmap->ref_reloc_sym || !kmap->ref_reloc_sym->name)
+ return 0;
+
+ addr = kallsyms__get_function_start(filename,
+ kmap->ref_reloc_sym->name);
+ if (!addr)
+ return -1;
+
+ *delta = addr - kmap->ref_reloc_sym->addr;
+ return 0;
+}
+
int dso__load_kallsyms(struct dso *dso, const char *filename,
struct map *map, symbol_filter_t filter)
{
+ u64 delta = 0;
+
if (symbol__restricted_filename(filename, "/proc/kallsyms"))
return -1;
if (dso__load_all_kallsyms(dso, filename, map) < 0)
return -1;
+ if (kallsyms__delta(map, filename, &delta))
+ return -1;
+
symbols__fixup_duplicate(&dso->symbols[map->type]);
symbols__fixup_end(&dso->symbols[map->type]);
if (!dso__load_kcore(dso, map, filename))
return dso__split_kallsyms_for_kcore(dso, map, filter);
else
- return dso__split_kallsyms(dso, map, filter);
+ return dso__split_kallsyms(dso, map, delta, filter);
}
static int dso__load_perf_map(struct dso *dso, struct map *map,
continue;
scnprintf(kallsyms_filename, sizeof(kallsyms_filename),
"%s/%s/kallsyms", dir, dent->d_name);
- if (!validate_kcore_modules(kallsyms_filename, map)) {
+ if (!validate_kcore_addresses(kallsyms_filename, map)) {
strlcpy(dir, kallsyms_filename, dir_sz);
ret = 0;
break;
if (fd != -1) {
close(fd);
/* If module maps match go with /proc/kallsyms */
- if (!validate_kcore_modules("/proc/kallsyms", map))
+ if (!validate_kcore_addresses("/proc/kallsyms", map))
goto proc_kallsyms;
}
projects / linux.git / commitdiff