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| author | Ingo Molnar <mingo@kernel.org> | 2018-02-06 21:12:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-02-06 21:12:31 +0100 |
| commit | 82845079160817cc6ac64e5321bbd935e0a47b3a (patch) | |
| tree | 0886d1d52428e9db14536cae4b37db896e7c360a /arch/powerpc/mm/hugetlbpage-hash64.c | |
| parent | sched/fair: Use a recently used CPU as an idle candidate and the basis for SIS (diff) | |
| parent | Merge tag 'media/v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mc... (diff) | |
| download | linux-82845079160817cc6ac64e5321bbd935e0a47b3a.tar.xz linux-82845079160817cc6ac64e5321bbd935e0a47b3a.zip | |
Merge branch 'linus' into sched/urgent, to resolve conflicts
Conflicts:
arch/arm64/kernel/entry.S
arch/x86/Kconfig
include/linux/sched/mm.h
kernel/fork.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage-hash64.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage-hash64.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/powerpc/mm/hugetlbpage-hash64.c b/arch/powerpc/mm/hugetlbpage-hash64.c index 0c2a91df3210..12511f5a015f 100644 --- a/arch/powerpc/mm/hugetlbpage-hash64.c +++ b/arch/powerpc/mm/hugetlbpage-hash64.c @@ -23,6 +23,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, pte_t *ptep, unsigned long trap, unsigned long flags, int ssize, unsigned int shift, unsigned int mmu_psize) { + real_pte_t rpte; unsigned long vpn; unsigned long old_pte, new_pte; unsigned long rflags, pa, sz; @@ -62,6 +63,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, } while(!pte_xchg(ptep, __pte(old_pte), __pte(new_pte))); rflags = htab_convert_pte_flags(new_pte); + rpte = __real_pte(__pte(old_pte), ptep); sz = ((1UL) << shift); if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) @@ -72,15 +74,10 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, /* Check if pte already has an hpte (case 2) */ if (unlikely(old_pte & H_PAGE_HASHPTE)) { /* There MIGHT be an HPTE for this pte */ - unsigned long hash, slot; + unsigned long gslot; - hash = hpt_hash(vpn, shift, ssize); - if (old_pte & H_PAGE_F_SECOND) - hash = ~hash; - slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; - slot += (old_pte & H_PAGE_F_GIX) >> H_PAGE_F_GIX_SHIFT; - - if (mmu_hash_ops.hpte_updatepp(slot, rflags, vpn, mmu_psize, + gslot = pte_get_hash_gslot(vpn, shift, ssize, rpte, 0); + if (mmu_hash_ops.hpte_updatepp(gslot, rflags, vpn, mmu_psize, mmu_psize, ssize, flags) == -1) old_pte &= ~_PAGE_HPTEFLAGS; } @@ -107,8 +104,7 @@ int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid, return -1; } - new_pte |= (slot << H_PAGE_F_GIX_SHIFT) & - (H_PAGE_F_SECOND | H_PAGE_F_GIX); + new_pte |= pte_set_hidx(ptep, rpte, 0, slot); } /* |