diff options
Diffstat (limited to 'execve-improve-interactivity-with-large-arguments.patch')
| -rw-r--r-- | execve-improve-interactivity-with-large-arguments.patch | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/execve-improve-interactivity-with-large-arguments.patch b/execve-improve-interactivity-with-large-arguments.patch deleted file mode 100644 index 7908e6c..0000000 --- a/execve-improve-interactivity-with-large-arguments.patch +++ /dev/null @@ -1,36 +0,0 @@ -From: Roland McGrath <roland@redhat.com> -Date: Wed, 8 Sep 2010 02:36:28 +0000 (-0700) -Subject: execve: improve interactivity with large arguments -X-Git-Tag: v2.6.36-rc4~13 -X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=7993bc1f4663c0db67bb8f0d98e6678145b387cd - -execve: improve interactivity with large arguments - -This adds a preemption point during the copying of the argument and -environment strings for execve, in copy_strings(). There is already -a preemption point in the count() loop, so this doesn't add any new -points in the abstract sense. - -When the total argument+environment strings are very large, the time -spent copying them can be much more than a normal user time slice. -So this change improves the interactivity of the rest of the system -when one process is doing an execve with very large arguments. - -Signed-off-by: Roland McGrath <roland@redhat.com> -Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> -Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> ---- - -diff --git a/fs/exec.c b/fs/exec.c -index 1b63237..6f2d777 100644 ---- a/fs/exec.c -+++ b/fs/exec.c -@@ -419,6 +419,8 @@ static int copy_strings(int argc, const char __user *const __user *argv, - while (len > 0) { - int offset, bytes_to_copy; - -+ cond_resched(); -+ - offset = pos % PAGE_SIZE; - if (offset == 0) - offset = PAGE_SIZE; |