Re: [REPOST] [PATCH 2/2] mm,oom: Reverse the order of setting TIF_MEMDIE and sending SIGKILL.
From: Oleg Nesterov <oleg@redhat.com>
Date: 2015-08-26 14:31:24
Hi Michal, On 08/26, Michal Hocko wrote:
I cannot seem to find any explicit note about task_lock vs. signal nesting nor task_lock() anywhere in kernel/signal.c so I rather ask. Can we call do_send_sig_info with task_lock held?
Yes. Simply because task_lock() doesn't disable irqs and (unfortunately ;) we do send the signals from interrupts. Oleg. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>