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powerpc: Print DAR and DSISR on machine check oopses 

Machine check exceptions set DAR and DSISR, so print them in our
oops output.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2013-11-15 15:41:19 +11:00 committed by Benjamin Herrenschmidt
parent 95f715b08f
commit c54006491d
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/kernel/process.c
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@ -864,7 +864,7 @@ void show_regs(struct pt_regs * regs)
trap = TRAP(regs); trap = TRAP(regs);
if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR))
printk("CFAR: "REG"\n", regs->orig_gpr3); printk("CFAR: "REG"\n", regs->orig_gpr3);
if (trap == 0x300 || trap == 0x600) if (trap == 0x200 || trap == 0x300 || trap == 0x600)
#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr); printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
#else #else