On Wed, Jul 08, 2009 at 01:38:59PM +0900, Ken'ichi Ohmichi wrote:
>
> Hi,
>
> This patch enables a kdump if 2nd-kernel is loaded.
> (The patch is based on linux-2.6.31-rc2.)
>
> Now, a kdump is enabled if a kernel parameter "oops=panic" is specified and
> 2nd-kernel is loaded. I think that a kdump should be enabled regardless of
> "oops=panic" if 2nd-kernel is loaded, because a system administrator loads
> 2nd-kernel for enabling a kdump.
I'm not sure that I like this change. To my mind, panic on oops
should only occur if specifically requested.
> Thanks
> Ken'ichi Ohmichi
>
> Signed-off-by: Ken'ichi Ohmichi <oomichi at mxs.nes.nec.co.jp>
> ---
> --- a/kernel/kexec.c 2009-07-08 12:30:26.000000000 +0900
> +++ b/kernel/kexec.c 2009-07-08 12:38:08.000000000 +0900
> @@ -57,6 +57,8 @@ struct resource crashk_res = {
>
> int kexec_should_crash(struct task_struct *p)
> {
> + if (kexec_crash_image)
> + return 1;
> if (in_interrupt() || !p->pid || is_global_init(p) || panic_on_oops)
> return 1;
> return 0;
>
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