summaryrefslogtreecommitdiff
path: root/arch/powerpc/mm/tlb_hash64.c
diff options
context:
space:
mode:
authorLinus Walleij <linus.walleij@linaro.org>2018-03-18 19:48:59 +0300
committerLinus Walleij <linus.walleij@linaro.org>2018-03-18 19:48:59 +0300
commit95260c17b27e4bdacf85022e629fb701b42cc190 (patch)
treecfc6963180d99e5f36752ca028821aaa109e860d /arch/powerpc/mm/tlb_hash64.c
parent4f9a4cd66c1201ce2b26ba895b2be63b8b38bb68 (diff)
parent0c8efd610b58cb23cefdfa12015799079aef94ae (diff)
downloadlinux-95260c17b27e4bdacf85022e629fb701b42cc190.tar.xz
Merge tag 'v4.16-rc5' into devel
Linux 4.16-rc5 merged into the GPIO devel branch to resolve a nasty conflict between fixes and devel in the RCAR driver. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/powerpc/mm/tlb_hash64.c')
-rw-r--r--arch/powerpc/mm/tlb_hash64.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c
index 881ebd53ffc2..9b23f12e863c 100644
--- a/arch/powerpc/mm/tlb_hash64.c
+++ b/arch/powerpc/mm/tlb_hash64.c
@@ -51,7 +51,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
unsigned int psize;
int ssize;
real_pte_t rpte;
- int i;
+ int i, offset;
i = batch->index;
@@ -67,6 +67,10 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
psize = get_slice_psize(mm, addr);
/* Mask the address for the correct page size */
addr &= ~((1UL << mmu_psize_defs[psize].shift) - 1);
+ if (unlikely(psize == MMU_PAGE_16G))
+ offset = PTRS_PER_PUD;
+ else
+ offset = PTRS_PER_PMD;
#else
BUG();
psize = pte_pagesize_index(mm, addr, pte); /* shutup gcc */
@@ -78,6 +82,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
* support 64k pages, this might be different from the
* hardware page size encoded in the slice table. */
addr &= PAGE_MASK;
+ offset = PTRS_PER_PTE;
}
@@ -91,7 +96,7 @@ void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
}
WARN_ON(vsid == 0);
vpn = hpt_vpn(addr, vsid, ssize);
- rpte = __real_pte(__pte(pte), ptep);
+ rpte = __real_pte(__pte(pte), ptep, offset);
/*
* Check if we have an active batch on this CPU. If not, just