Commit b73a7e76 authored May 08, 2007 by Jan Engelhardt Committed by Linus Torvalds May 08, 2007

Fix kevent's childs priority greediness

Fix kevent's childs priority greediness.  Such tasks were always scheduled
at nice level -5 and, at that time, udev stole us the CPU time with -5.

Already posted at http://lkml.org/lkml/2005/1/10/85



[akpm@linux-foundation.org: add comment]
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Cc: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 6672f76a

kernel/kmod.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -165,6 +165,12 @@ static int ____call_usermodehelper(void *data)
		/* We can run anywhere, unlike our parent keventd(). */
		set_cpus_allowed(current, CPU_MASK_ALL);

		/*
		* Our parent is keventd, which runs with elevated scheduling priority.
		* Avoid propagating that into the userspace child.
		*/
		set_user_nice(current, 0);

		retval = -EPERM;
		if (current->fs->root)
		retval = kernel_execve(sub_info->path,