Patchwork [1/6] powerpc/booke64: fix machine check handler to use the right prolog

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Submitter Mihai Caraman
Date Aug. 6, 2012, 1:27 p.m.
Message ID <1344259628-31161-2-git-send-email-mihai.caraman@freescale.com>
Download mbox | patch
Permalink /patch/175352/
State New
Headers show

Comments

Mihai Caraman - Aug. 6, 2012, 1:27 p.m.
Machine check exception handler was using a wrong prolog. Hypervisors like
KVM which are called early from the exception handler rely on the interrupt
source.

Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
---
 arch/powerpc/kernel/exceptions-64e.S |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Patch

diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S
index 98be7f0..0243b1b 100644
--- a/arch/powerpc/kernel/exceptions-64e.S
+++ b/arch/powerpc/kernel/exceptions-64e.S
@@ -297,7 +297,7 @@  interrupt_end_book3e:
 
 /* Machine Check Interrupt */
 	START_EXCEPTION(machine_check);
-	CRIT_EXCEPTION_PROLOG(0x200, PROLOG_ADDITION_NONE)
+	MC_EXCEPTION_PROLOG(0x200, PROLOG_ADDITION_NONE)
 //	EXCEPTION_COMMON(0x200, PACA_EXMC, INTS_DISABLE)
 //	bl	special_reg_save_mc
 //	addi	r3,r1,STACK_FRAME_OVERHEAD