The patch titled
Subject: timer_list-convert-timer-list-to-be-a-proper-seq_file-v2
has been added to the -mm tree. Its filename is
timer_list-convert-timer-list-to-be-a-proper-seq_file-v2.patch
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------------------------------------------------------
From: Nathan Zimmer <nzimmer@xxxxxxx>
Subject: timer_list-convert-timer-list-to-be-a-proper-seq_file-v2
v2: Added comments on the iteration.
Signed-off-by: Nathan Zimmer <nzimmer@xxxxxxx>
Cc: John Stultz <johnstul@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Dave Jones <davej@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/time/timer_list.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff -puN kernel/time/timer_list.c~timer_list-convert-timer-list-to-be-a-proper-seq_file-v2 kernel/time/timer_list.c
--- a/kernel/time/timer_list.c~timer_list-convert-timer-list-to-be-a-proper-seq_file-v2
+++ a/kernel/time/timer_list.c
@@ -274,6 +274,19 @@ static int timer_list_show(struct seq_fi
return 0;
}
+/*
+ * This itererator really needs some explination since it is offset and has
+ * two passes one of which is controlled by a config option.
+ * In a hotplugged system some cpus, including cpu 0, may be missing so we have
+ * to use cpumask_* to iterate over the cpus.
+ * For the first pass:
+ * It returns 1 for the header position.
+ * For cpu 0 it returns 2 and the final possible cpu would be nr_cpu_ids + 1.
+ * On the second pass:
+ * It returnes nr_cpu_ids + 1 for the second header position.
+ * For cpu 0 it returns nr_cpu_ids + 2
+ * The final possible cpu would be nr_cpu_ids + nr_cpu_ids + 2.
+ */
static void *timer_list_start(struct seq_file *file, loff_t *offset)
{
unsigned long n = *offset;
_
Patches currently in -mm which might be from nzimmer@xxxxxxx are
timer_list-split-timer_list_show_tickdevices.patch
timer_list-convert-timer-list-to-be-a-proper-seq_file.patch
timer_list-convert-timer-list-to-be-a-proper-seq_file-fix.patch
timer_list-convert-timer-list-to-be-a-proper-seq_file-v2.patch
timer_list-convert-timer-list-to-be-a-proper-seq_file-v2-fix.patch
sched-proc-sched_stat-fails-on-very-very-large-machines.patch
sched-proc-sched_stat-fails-on-very-very-large-machines-fix.patch
sched-proc-sched_stat-fails-on-very-very-large-machines-v2.patch
sched-proc-sched_stat-fails-on-very-very-large-machines-v2-fix.patch
sched-proc-sched_debug-fails-on-very-very-large-machines.patch
sched-proc-sched_debug-fails-on-very-very-large-machines-fix.patch
sched-proc-sched_debug-fails-on-very-very-large-machines-v2.patch
sched-proc-sched_debug-fails-on-very-very-large-machines-v2-fix.patch
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