diff options
| author | Per Fransson <per.xx.fransson@stericsson.com> | 2011-09-23 14:11:24 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2012-01-05 10:07:40 +0000 |
| commit | 903b2d2e3cd721f5599986c3fc49ce31f0f11248 (patch) | |
| tree | 41bb2c68661f6dfdfe36413f20b3ebecab727a10 /kernel | |
| parent | 348e543b28039f9f5e4396a2cd275666d4ab5a3f (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 ec7f6d0e663..feec0e3689c 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1084,6 +1084,7 @@ 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. @@ -1094,7 +1095,6 @@ void crash_kexec(struct pt_regs *regs) */ if (mutex_trylock(&kexec_mutex)) { if (kexec_crash_image) { - struct pt_regs fixed_regs; kmsg_dump(KMSG_DUMP_KEXEC); @@ -1103,6 +1103,14 @@ void crash_kexec(struct pt_regs *regs) 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); } } |