The patch titled
cascade: use list_replace_init()
has been added to the -mm tree. Its filename is
when-config_base_samll=1-the-kernel-261611-cascade-in-kernel-timerc-may-enter-the-infinite-loop-use-list_replace_init.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
From: Oleg Nesterov <oleg@xxxxxxxxxx>
On top of Porpoise's
when-config_base_samll=1-the-kernel-261611-cascade-in-kernel-timerc-may-enter-the-infinite-loop.patch
Microoptimization, cascade() can use list_replace_init()
instead of list_splice_init().
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
kernel/timer.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/timer.c~when-config_base_samll=1-the-kernel-261611-cascade-in-kernel-timerc-may-enter-the-infinite-loop-use-list_replace_init kernel/timer.c
--- devel/kernel/timer.c~when-config_base_samll=1-the-kernel-261611-cascade-in-kernel-timerc-may-enter-the-infinite-loop-use-list_replace_init 2006-05-18 01:28:55.000000000 -0700
+++ devel-akpm/kernel/timer.c 2006-05-18 01:28:55.000000000 -0700
@@ -384,9 +384,9 @@ static int cascade(tvec_base_t *base, tv
{
/* cascade all the timers from tv up one level */
struct timer_list *timer, *tmp;
- LIST_HEAD(tv_list);
+ struct list_head tv_list;
- list_splice_init(tv->vec + index, &tv_list);
+ list_replace_init(tv->vec + index, &tv_list);
/*
* We are removing _all_ timers from the list, so we
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
avoid-tasklist_lock-at-getrusage-for-multithreaded-case-too.patch
ptrace-document-the-locking-rules.patch
list-introduce-list_replace-helper.patch
list-use-list_replace_init-instead-of-list_splice_init.patch
when-config_base_samll=1-the-kernel-261611-cascade-in-kernel-timerc-may-enter-the-infinite-loop.patch
when-config_base_samll=1-the-kernel-261611-cascade-in-kernel-timerc-may-enter-the-infinite-loop-use-list_replace_init.patch
proc-remove-tasklist_lock-from-proc_pid_readdir-simply-fix-first_tgid.patch
proc-dont-lock-task_structs-indefinitely.patch
proc-dont-lock-task_structs-indefinitely-task_mmu-small-fixes.patch
simplify-fix-first_tid.patch
cleanup-next_tid.patch
de_thread-fix-lockless-do_each_thread.patch
coredump-optimize-mm-users-traversal.patch
coredump-speedup-sigkill-sending.patch
coredump-kill-ptrace-related-stuff.patch
coredump-kill-ptrace-related-stuff-fix.patch
coredump-dont-take-tasklist_lock.patch
coredump-some-code-relocations.patch
coredump-shutdown-current-process-first.patch
coredump-copy_process-dont-check-signal_group_exit.patch
pidhash-temporary-debug-checks.patch
-
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