On 05/09/2019 10:05 AM, bugzilla-dae...@bugzilla.kernel.org wrote:
https://bugzilla.kernel.org/show_bug.cgi?id=203125
Christophe Leroy (christophe.le...@c-s.fr) changed:
What |Removed |Added
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CC| |christophe.le...@c-s.fr
--- Comment #5 from Christophe Leroy (christophe.le...@c-s.fr) ---
Apparently, MSR DR is not sent and DAR has value 0xc0090654, meaning that a
virt address tries to get accessed while in real mode.
Could you try the patch below:
diff --git a/arch/powerpc/mm/book3s32/hash_low.S
b/arch/powerpc/mm/book3s32/hash_low.S
index e27792d0b744..8366c2abeafc 100644
--- a/arch/powerpc/mm/book3s32/hash_low.S
+++ b/arch/powerpc/mm/book3s32/hash_low.S
@@ -539,7 +539,8 @@ _GLOBAL(flush_hash_pages)
#ifdef CONFIG_SMP
lis r9, (mmu_hash_lock - PAGE_OFFSET)@ha
addi r9, r9, (mmu_hash_lock - PAGE_OFFSET)@l
- lwz r8,TASK_CPU(r2)
+ tophys (r8, r2)
+ lwz r8, TASK_CPU(r8)
oris r8,r8,9
10: lwarx r0,0,r9
cmpi 0,r0,0
Christophe
