[Devel] [PATCH rh7] ms/coredump: fix unfreezable coredumping task

[Dmitry Safonov]

On 10/03/2016 04:34 PM, Andrey Ryabinin wrote:
> It could be not possible to freeze coredumping task when it waits
> for 'core_state->startup' completion, because threads are frozen
> in get_signal() before they got a chance to complete 'core_state->startup'.
>
> Use freezer_do_not_count() to tell freezer to ignore coredumping
> task while it waits for core_state->startup completion.
>
> https://jira.sw.ru/browse/PSBM-52793
>
> Link: http://lkml.kernel.org/r/1475225434-3753-1-git-send-email-aryabinin@virtuozzo.com
> Signed-off-by: Andrey Ryabinin <aryabinin at virtuozzo.com>
> Cc: stable at vger.kernel.org
> Acked-by: Oleg Nesterov <oleg at redhat.com>
> Acked-by: Pavel Machek <pavel at ucw.cz>

Reviewed-by: Dmitry Safonov <dsafonov at virtuozzo.com>