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| author | Jiri Kosina <jkosina@suse.cz> | 2017-05-02 11:02:41 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2017-05-02 11:02:41 +0200 |
| commit | 4d6ca227c768b50b05cf183974b40abe444e9d0c (patch) | |
| tree | bf953d8e895281053548b9967a2c4b58d641df00 /arch/powerpc/mm/copro_fault.c | |
| parent | 800f3eef8ebc1264e9c135bfa892c8ae41fa4792 (diff) | |
| parent | af22a610bc38508d5ea760507d31be6b6983dfa8 (diff) | |
Merge branch 'for-4.12/asus' into for-linus
Diffstat (limited to 'arch/powerpc/mm/copro_fault.c')
| -rw-r--r-- | arch/powerpc/mm/copro_fault.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/powerpc/mm/copro_fault.c b/arch/powerpc/mm/copro_fault.c index aaa7ec6788b9..697b70ad1195 100644 --- a/arch/powerpc/mm/copro_fault.c +++ b/arch/powerpc/mm/copro_fault.c @@ -67,11 +67,13 @@ int copro_handle_mm_fault(struct mm_struct *mm, unsigned long ea, if (!(vma->vm_flags & (VM_READ | VM_EXEC))) goto out_unlock; /* - * protfault should only happen due to us - * mapping a region readonly temporarily. PROT_NONE - * is also covered by the VMA check above. + * PROT_NONE is covered by the VMA check above. + * and hash should get a NOHPTE fault instead of + * a PROTFAULT in case fixup is needed for things + * like autonuma. */ - WARN_ON_ONCE(dsisr & DSISR_PROTFAULT); + if (!radix_enabled()) + WARN_ON_ONCE(dsisr & DSISR_PROTFAULT); } ret = 0; |