select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select HAVE_DEBUG_STACKOVERFLOW
select ARCH_WANT_FRAME_POINTERS
+ select HAVE_CONTEXT_TRACKING
# FIXME: investigate whether we need/want these options.
# select HAVE_IOREMAP_PROT
default "arch/tile/configs/tilepro_defconfig" if !TILEGX
default "arch/tile/configs/tilegx_defconfig" if TILEGX
+config PGTABLE_LEVELS
+ int
+ default 3 if 64BIT
+ default 2
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
*/
struct thread_info {
struct task_struct *task; /* main task structure */
- struct exec_domain *exec_domain; /* execution domain */
unsigned long flags; /* low level flags */
unsigned long status; /* thread-synchronous flags */
__u32 homecache_cpu; /* CPU we are homecached on */
#define INIT_THREAD_INFO(tsk) \
{ \
.task = &tsk, \
- .exec_domain = &default_exec_domain, \
.flags = 0, \
.cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \
#define TIF_NOTIFY_RESUME 8 /* callback before returning to user */
#define TIF_SYSCALL_TRACEPOINT 9 /* syscall tracepoint instrumentation */
#define TIF_POLLING_NRFLAG 10 /* idle is polling for TIF_NEED_RESCHED */
+ #define TIF_NOHZ 11 /* in adaptive nohz mode */
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
+ #define _TIF_NOHZ (1<<TIF_NOHZ)
/* Work to do on any return to user space. */
#define _TIF_ALLWORK_MASK \
- (_TIF_SIGPENDING|_TIF_NEED_RESCHED|_TIF_SINGLESTEP|\
- _TIF_ASYNC_TLB|_TIF_NOTIFY_RESUME)
+ (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_SINGLESTEP | \
+ _TIF_ASYNC_TLB | _TIF_NOTIFY_RESUME | _TIF_NOHZ)
/* Work to do at syscall entry. */
- #define _TIF_SYSCALL_ENTRY_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT)
+ #define _TIF_SYSCALL_ENTRY_WORK \
+ (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ)
/* Work to do at syscall exit. */
#define _TIF_SYSCALL_EXIT_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_TRACEPOINT)
if (from->si_code < 0) {
err |= __put_user(from->si_pid, &to->si_pid);
err |= __put_user(from->si_uid, &to->si_uid);
- err |= __put_user(ptr_to_compat(from->si_ptr), &to->si_ptr);
+ err |= __put_user(from->si_int, &to->si_int);
} else {
/*
* First 32bits of unions are always present:
break;
case __SI_TIMER >> 16:
err |= __put_user(from->si_overrun, &to->si_overrun);
- err |= __put_user(ptr_to_compat(from->si_ptr),
- &to->si_ptr);
+ err |= __put_user(from->si_int, &to->si_int);
break;
/* This is not generated by the kernel as of now. */
case __SI_RT >> 16:
int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from)
{
int err;
- u32 ptr32;
if (!access_ok(VERIFY_READ, from, sizeof(struct compat_siginfo)))
return -EFAULT;
+ memset(to, 0, sizeof(*to));
+
err = __get_user(to->si_signo, &from->si_signo);
err |= __get_user(to->si_errno, &from->si_errno);
err |= __get_user(to->si_code, &from->si_code);
err |= __get_user(to->si_pid, &from->si_pid);
err |= __get_user(to->si_uid, &from->si_uid);
- err |= __get_user(ptr32, &from->si_ptr);
- to->si_ptr = compat_ptr(ptr32);
+ err |= __get_user(to->si_int, &from->si_int);
return err;
}
unsigned long restorer;
struct compat_rt_sigframe __user *frame;
int err = 0, sig = ksig->sig;
- int usig;
frame = compat_get_sigframe(&ksig->ka, regs, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
goto err;
- usig = current_thread_info()->exec_domain
- && current_thread_info()->exec_domain->signal_invmap
- && sig < 32
- ? current_thread_info()->exec_domain->signal_invmap[sig]
- : sig;
-
/* Always write at least the signal number for the stack backtracer. */
if (ksig->ka.sa.sa_flags & SA_SIGINFO) {
/* At sigreturn time, restore the callee-save registers too. */
regs->ex1 = PL_ICS_EX1(USER_PL, 1); /* set crit sec in handler */
regs->sp = ptr_to_compat_reg(frame);
regs->lr = restorer;
- regs->regs[0] = (unsigned long) usig;
+ regs->regs[0] = (unsigned long) sig;
regs->regs[1] = ptr_to_compat_reg(&frame->info);
regs->regs[2] = ptr_to_compat_reg(&frame->uc);
regs->flags |= PT_FLAGS_CALLER_SAVES;