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authorNicholas Piggin <npiggin@gmail.com>2020-05-08 14:33:54 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2020-05-18 21:58:44 +1000
commitac2a2a1417391180ef12f908a2864692d6d76d40 (patch)
treeb1049270759869c3f05e0582e415b3ad59dead99 /arch/powerpc/kernel/exceptions-64s.S
parent8a5054d8cbbe03c68dcb0957c291c942132e4101 (diff)
powerpc/64s/exceptions: Fix in_mce accounting in unrecoverable path
Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Acked-by: Mahesh Salgaonkar <mahesh@linux.ibm.com> Link: https://lore.kernel.org/r/20200508043408.886394-3-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/exceptions-64s.S')
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index bbf3109c5cba..3322000316ab 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -1267,6 +1267,10 @@ END_FTR_SECTION_IFSET(CPU_FTR_HVMODE)
andc r10,r10,r3
mtmsrd r10
+ lhz r12,PACA_IN_MCE(r13)
+ subi r12,r12,1
+ sth r12,PACA_IN_MCE(r13)
+
/* Invoke machine_check_exception to print MCE event and panic. */
addi r3,r1,STACK_FRAME_OVERHEAD
bl machine_check_exception