Commit-ID: 8afecaa68df1e94a9d634f1f961533a925f239fc Gitweb: https://git.kernel.org/tip/8afecaa68df1e94a9d634f1f961533a925f239fc Author: Muchun Song <smuc...@gmail.com> AuthorDate: Tue, 18 Jun 2019 22:33:05 +0800 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Sun, 23 Jun 2019 18:14:27 +0200
softirq: Use __this_cpu_write() in takeover_tasklets() The code is executed with interrupts disabled, so it's safe to use __this_cpu_write(). [ tglx: Massaged changelog ] Signed-off-by: Muchun Song <smuc...@gmail.com> Signed-off-by: Thomas Gleixner <t...@linutronix.de> Cc: j...@joelfernandes.org Cc: rost...@goodmis.org Cc: frede...@kernel.org Cc: paul...@linux.vnet.ibm.com Cc: alexander.le...@verizon.com Cc: pet...@infradead.org Link: https://lkml.kernel.org/r/20190618143305.2038-1-smuc...@gmail.com --- kernel/softirq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/softirq.c b/kernel/softirq.c index 2c3382378d94..eaf3bdf7c749 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -650,7 +650,7 @@ static int takeover_tasklets(unsigned int cpu) /* Find end, append list for that CPU. */ if (&per_cpu(tasklet_vec, cpu).head != per_cpu(tasklet_vec, cpu).tail) { *__this_cpu_read(tasklet_vec.tail) = per_cpu(tasklet_vec, cpu).head; - this_cpu_write(tasklet_vec.tail, per_cpu(tasklet_vec, cpu).tail); + __this_cpu_write(tasklet_vec.tail, per_cpu(tasklet_vec, cpu).tail); per_cpu(tasklet_vec, cpu).head = NULL; per_cpu(tasklet_vec, cpu).tail = &per_cpu(tasklet_vec, cpu).head; }
