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| author | Murilo Opsfelder Araujo <muriloo@linux.ibm.com> | 2018-08-02 00:33:20 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-08-07 17:32:30 +0300 |
| commit | a99b9c5ed43ecfff5c47c558cc0fcbf8c6503f4c (patch) | |
| tree | 73603c2fa512799f8ef2e5694e8f601a461e2695 /arch/powerpc/platforms/pasemi/iommu.c | |
| parent | 88b0fe17573592a8e3196bf143f865da460178e7 (diff) | |
| download | linux-a99b9c5ed43ecfff5c47c558cc0fcbf8c6503f4c.tar.xz | |
powerpc/traps: Show instructions on exceptions
Call show_user_instructions() in arch/powerpc/kernel/traps.c to dump
instructions at faulty location, useful to debugging.
Before this patch, an unhandled signal message looked like:
pandafault[10524]: segfault (11) at 100007d0 nip 1000061c lr 7fffbd295100 code 2 in pandafault[10000000+10000]
After this patch, it looks like:
pandafault[10524]: segfault (11) at 100007d0 nip 1000061c lr 7fffbd295100 code 2 in pandafault[10000000+10000]
pandafault[10524]: code: 4bfffeec 4bfffee8 3c401002 38427f00 fbe1fff8 f821ffc1 7c3f0b78 3d22fffe
pandafault[10524]: code: 392988d0 f93f0020 e93f0020 39400048 <99490000> 39200000 7d234b78 383f0040
Signed-off-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/pasemi/iommu.c')
0 files changed, 0 insertions, 0 deletions