Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b73a7e76c1eeaa770a41554698917c3c45686a07
Commit: b73a7e76c1eeaa770a41554698917c3c45686a07
Parent: 6672f76a5a1878d42264c1deba8f1ab52b4618d9
Author: Jan Engelhardt <[EMAIL PROTECTED]>
AuthorDate: Tue May 8 00:28:24 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue May 8 11:15:07 2007 -0700
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
[EMAIL PROTECTED]: add comment]
Signed-off-by: Jan Engelhardt <[EMAIL PROTECTED]>
Cc: Chris Wright <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/kmod.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 11c584c..49cc4b9 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -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,
-
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