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| author | Anton Blanchard <anton@samba.org> | 2015-07-02 06:56:20 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-07-06 12:24:35 +0200 |
| commit | eab861a7a52208868637f47a92caa926ddadd9c7 (patch) | |
| tree | 0bd08543e19488b386bb3113586be836576a2428 /arch/powerpc/mm/fault.c | |
| parent | cxl: Test the correct mmio space before unmapping (diff) | |
| download | linux-eab861a7a52208868637f47a92caa926ddadd9c7.tar.xz linux-eab861a7a52208868637f47a92caa926ddadd9c7.zip | |
powerpc: Add plain English description for alignment exception oopses
If we take an alignment exception which we cannot fix, the oops
currently prints:
Unable to handle kernel paging request for unknown fault
Lets print something more useful:
Unable to handle kernel paging request for unaligned access at address 0xc0000000f77bba8f
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/mm/fault.c')
| -rw-r--r-- | arch/powerpc/mm/fault.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index 6d535973b200..a67c6d781c52 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -529,6 +529,10 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig) printk(KERN_ALERT "Unable to handle kernel paging request for " "instruction fetch\n"); break; + case 0x600: + printk(KERN_ALERT "Unable to handle kernel paging request for " + "unaligned access at address 0x%08lx\n", regs->dar); + break; default: printk(KERN_ALERT "Unable to handle kernel paging request for " "unknown fault\n"); |