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| author | Sean Paul <seanpaul@chromium.org> | 2017-06-27 09:18:17 -0400 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2017-06-27 09:18:17 -0400 |
| commit | b740e76936c14354a9c5676a3eed839ea8472c41 (patch) | |
| tree | dd0b74f64007dba28fcf12595af893e367d307ff /arch/powerpc/kernel/exceptions-64s.S | |
| parent | 7141fd3e5ba90d09d2138ff1bbefd7cc43a82e94 (diff) | |
| parent | 6d61e70ccc21606ffb8a0a03bd3aba24f659502b (diff) | |
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Required for Daniel's drm_vblank_cleanup cleanup
Diffstat (limited to 'arch/powerpc/kernel/exceptions-64s.S')
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index ae418b85c17c..b886795060fd 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1411,10 +1411,8 @@ USE_TEXT_SECTION() .balign IFETCH_ALIGN_BYTES do_hash_page: #ifdef CONFIG_PPC_STD_MMU_64 - andis. r0,r4,0xa410 /* weird error? */ + andis. r0,r4,0xa450 /* weird error? */ bne- handle_page_fault /* if not, try to insert a HPTE */ - andis. r0,r4,DSISR_DABRMATCH@h - bne- handle_dabr_fault CURRENT_THREAD_INFO(r11, r1) lwz r0,TI_PREEMPT(r11) /* If we're in an "NMI" */ andis. r0,r0,NMI_MASK@h /* (i.e. an irq when soft-disabled) */ @@ -1438,11 +1436,16 @@ do_hash_page: /* Error */ blt- 13f + + /* Reload DSISR into r4 for the DABR check below */ + ld r4,_DSISR(r1) #endif /* CONFIG_PPC_STD_MMU_64 */ /* Here we have a page fault that hash_page can't handle. */ handle_page_fault: -11: ld r4,_DAR(r1) +11: andis. r0,r4,DSISR_DABRMATCH@h + bne- handle_dabr_fault + ld r4,_DAR(r1) ld r5,_DSISR(r1) addi r3,r1,STACK_FRAME_OVERHEAD bl do_page_fault |