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kernel/panic/kexec: fix "crash_kexec_post_notifiers" option issue in …
…oops path Commit f06e515 ("kernel/panic.c: add "crash_kexec_post_notifiers" option for kdump after panic_notifers") introduced "crash_kexec_post_notifiers" kernel boot option, which toggles wheather panic() calls crash_kexec() before panic_notifiers and dump kmsg or after. The problem is that the commit overlooks panic_on_oops kernel boot option. If it is enabled, crash_kexec() is called directly without going through panic() in oops path. To fix this issue, this patch adds a check to "crash_kexec_post_notifiers" in the condition of kexec_should_crash(). Also, put a comment in kexec_should_crash() to explain not obvious things on this patch. Signed-off-by: HATAYAMA Daisuke <[email protected]> Acked-by: Baoquan He <[email protected]> Tested-by: Hidehiro Kawai <[email protected]> Reviewed-by: Masami Hiramatsu <[email protected]> Cc: Vivek Goyal <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Hidehiro Kawai <[email protected]> Cc: Baoquan He <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
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