* is provided by the firmware.
*/
-/* Pre-POWER4 CPUs (4k pages only)
+/*
+ * Fallback (4k pages only)
*/
-static struct mmu_psize_def mmu_psize_defaults_old[] = {
+static struct mmu_psize_def mmu_psize_defaults[] = {
[MMU_PAGE_4K] = {
.shift = 12,
.sllp = 0,
mmu_psize_set_default_penc();
/* Default to 4K pages only */
- memcpy(mmu_psize_defs, mmu_psize_defaults_old,
- sizeof(mmu_psize_defaults_old));
+ memcpy(mmu_psize_defs, mmu_psize_defaults,
+ sizeof(mmu_psize_defaults));
/*
* Try to find the available page sizes in the device-tree
}
}
-int hash__create_section_mapping(unsigned long start, unsigned long end)
+int hash__create_section_mapping(unsigned long start, unsigned long end, int nid)
{
int rc = htab_bolt_mapping(start, end, __pa(start),
pgprot_val(PAGE_KERNEL), mmu_linear_psize,
/* Using a hypervisor which owns the htab */
htab_address = NULL;
_SDR1 = 0;
+ /*
+ * On POWER9, we need to do a H_REGISTER_PROC_TBL hcall
+ * to inform the hypervisor that we wish to use the HPT.
+ */
+ if (cpu_has_feature(CPU_FTR_ARCH_300))
+ register_process_table(0, 0, 0);
#ifdef CONFIG_FA_DUMP
/*
* If firmware assisted dump is active firmware preserves
#ifdef CONFIG_PPC_MM_SLICES
static unsigned int get_paca_psize(unsigned long addr)
{
- u64 lpsizes;
- unsigned char *hpsizes;
+ unsigned char *psizes;
unsigned long index, mask_index;
if (addr < SLICE_LOW_TOP) {
- lpsizes = get_paca()->mm_ctx_low_slices_psize;
+ psizes = get_paca()->mm_ctx_low_slices_psize;
index = GET_LOW_SLICE_INDEX(addr);
- return (lpsizes >> (index * 4)) & 0xF;
+ } else {
+ psizes = get_paca()->mm_ctx_high_slices_psize;
+ index = GET_HIGH_SLICE_INDEX(addr);
}
- hpsizes = get_paca()->mm_ctx_high_slices_psize;
- index = GET_HIGH_SLICE_INDEX(addr);
mask_index = index & 0x1;
- return (hpsizes[index >> 1] >> (mask_index * 4)) & 0xF;
+ return (psizes[index >> 1] >> (mask_index * 4)) & 0xF;
}
#else
}
psize = get_slice_psize(mm, ea);
ssize = user_segment_size(ea);
- vsid = get_vsid(mm->context.id, ea, ssize);
+ vsid = get_user_vsid(&mm->context, ea, ssize);
break;
case VMALLOC_REGION_ID:
vsid = get_kernel_vsid(ea, mmu_kernel_ssize);
/* Get VSID */
ssize = user_segment_size(ea);
- vsid = get_vsid(mm->context.id, ea, ssize);
+ vsid = get_user_vsid(&mm->context, ea, ssize);
if (!vsid)
return;
/*