Commit-ID: 62be73eafaa045d3233337303fb140f7f8a61135 Gitweb: http://git.kernel.org/tip/62be73eafaa045d3233337303fb140f7f8a61135 Author: Seiji Aguchi <seiji.aguchi@xxxxxxx> AuthorDate: Tue, 15 May 2012 17:35:09 -0400 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Fri, 18 May 2012 14:02:10 +0200 kdump: Execute kmsg_dump(KMSG_DUMP_PANIC) after smp_send_stop() This patch moves kmsg_dump(KMSG_DUMP_PANIC) below smp_send_stop(), to serialize the crash-logging process via smp_send_stop() and to thus retrieve a more stable crash image of all CPUs stopped. Signed-off-by: Seiji Aguchi <seiji.aguchi@xxxxxxx> Acked-by: Don Zickus <dzickus@xxxxxxxxxx> Cc: dle-develop@xxxxxxxxxxxxxxxxxxxxx <dle-develop@xxxxxxxxxxxxxxxxxxxxx> Cc: Satoru Moriya <satoru.moriya@xxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: a.p.zijlstra@xxxxxxxxx <a.p.zijlstra@xxxxxxxxx> Link: http://lkml.kernel.org/r/5C4C569E8A4B9B42A84A977CF070A35B2E4D7A5CE2@xxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- kernel/panic.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/panic.c b/kernel/panic.c index b6215b7..d2a5f4e 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -108,8 +108,6 @@ void panic(const char *fmt, ...) */ crash_kexec(NULL); - kmsg_dump(KMSG_DUMP_PANIC); - /* * Note smp_send_stop is the usual smp shutdown function, which * unfortunately means it may not be hardened to work in a panic @@ -117,6 +115,8 @@ void panic(const char *fmt, ...) */ smp_send_stop(); + kmsg_dump(KMSG_DUMP_PANIC); + atomic_notifier_call_chain(&panic_notifier_list, 0, buf); bust_spinlocks(0); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html