diff options
| author | Per Fransson <per.xx.fransson@stericsson.com> | 2011-09-23 14:11:24 +0200 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:01:02 +0200 |
| commit | 9bac6a0efe0993a13822a3cf84371d6ff92e1abb (patch) | |
| tree | e69abae137e7c7ad7826f04b4fe4e62098fbb224 /kernel | |
| parent | 8c35f32920f28d4cb68f7e41d4323f57baba5eae (diff) | |
ux500: Start crash dump through SW reset
When using kexec/kdump without an crash kernel image loaded:
* clean the caches and write the crash_notes
* perform a restart
ST-Ericsson ID: 340331
Change-Id: I1ae34ed2b5e43da4849650a8a7d2f1e453dcbe93
Signed-off-by: Per Fransson <per.xx.fransson@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32678
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kexec.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index 6146beeeecc..799064323aa 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1082,6 +1082,7 @@ asmlinkage long compat_sys_kexec_load(unsigned long entry, void crash_kexec(struct pt_regs *regs) { + struct pt_regs fixed_regs; /* Take the kexec_mutex here to prevent sys_kexec_load * running on one cpu from replacing the crash kernel * we are using after a panic on a different cpu. @@ -1092,13 +1093,20 @@ void crash_kexec(struct pt_regs *regs) */ if (mutex_trylock(&kexec_mutex)) { if (kexec_crash_image) { - struct pt_regs fixed_regs; crash_setup_regs(&fixed_regs, regs); crash_save_vmcoreinfo(); machine_crash_shutdown(&fixed_regs); machine_kexec(kexec_crash_image); } +#ifdef CONFIG_CRASH_SWRESET + else { + crash_setup_regs(&fixed_regs, regs); + crash_save_vmcoreinfo(); + machine_crash_shutdown(&fixed_regs); + machine_crash_swreset(); + } +#endif mutex_unlock(&kexec_mutex); } } |