diff options
author | Felix Fietkau <nbd@openwrt.org> | 2013-07-20 18:35:54 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2013-07-20 18:35:54 +0000 |
commit | bb141e06a27e18d605b64d2d3cab135693896682 (patch) | |
tree | f399f0792a0c9a6a6bf2fa04cfd85d771d07bfd9 /target/linux | |
parent | a0129dfd8e0d3de96155a40767f9853079957a6b (diff) | |
download | upstream-bb141e06a27e18d605b64d2d3cab135693896682.tar.gz upstream-bb141e06a27e18d605b64d2d3cab135693896682.tar.bz2 upstream-bb141e06a27e18d605b64d2d3cab135693896682.zip |
kernel: merge a proposed fix from LKML for fixing infinite data returned by /proc/timer_list
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 37484
Diffstat (limited to 'target/linux')
-rw-r--r-- | target/linux/generic/patches-3.10/030-timer_list_fix.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.10/030-timer_list_fix.patch b/target/linux/generic/patches-3.10/030-timer_list_fix.patch new file mode 100644 index 0000000000..ef3c7988fd --- /dev/null +++ b/target/linux/generic/patches-3.10/030-timer_list_fix.patch @@ -0,0 +1,45 @@ +Patch by: Nathan Zimmer <nzimmer@sgi.com> + +Fixes a regression in the commit +"timer_list: Convert timer list to be a proper seq_file" which causes +/proc/timer_list to return an infinite amount of data + + +--- a/kernel/time/timer_list.c ++++ b/kernel/time/timer_list.c +@@ -305,24 +305,26 @@ static void *timer_list_start(struct seq + if (!*offset) { + iter->cpu = -1; + iter->now = ktime_to_ns(ktime_get()); +- } else if (iter->cpu >= nr_cpu_ids) { ++ } else { ++ iter->cpu = cpumask_next(iter->cpu, cpu_online_mask); ++ if (iter->cpu >= nr_cpu_ids) { + #ifdef CONFIG_GENERIC_CLOCKEVENTS +- if (!iter->second_pass) { +- iter->cpu = -1; +- iter->second_pass = true; +- } else +- return NULL; ++ if (!iter->second_pass) { ++ iter->cpu = -1; ++ iter->second_pass = true; ++ } else ++ return NULL; + #else +- return NULL; ++ return NULL; + #endif ++ } + } ++ + return iter; + } + + static void *timer_list_next(struct seq_file *file, void *v, loff_t *offset) + { +- struct timer_list_iter *iter = file->private; +- iter->cpu = cpumask_next(iter->cpu, cpu_online_mask); + ++*offset; + return timer_list_start(file, offset); + } |