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McKenney" , Linus Torvalds , Anna-Maria Behnsen , Eric Dumazet Subject: [RFC PATCH 6/6] timers: Make process_timeout() soft-interruptible Date: Tue, 1 Aug 2023 15:24:41 +0200 Message-Id: <20230801132441.559222-7-frederic@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230801132441.559222-1-frederic@kernel.org> References: <20230801132441.559222-1-frederic@kernel.org> MIME-Version: 1.0 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773033967094323538 X-GMAIL-MSGID: 1773033967094323538 The most frequent timer can be safely interrupted by other vectors as it's only performing a wake-up. Signed-off-by: Frederic Weisbecker --- kernel/time/timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/time/timer.c b/kernel/time/timer.c index 1e43f54def0e..0f6eb9c0901c 100644 --- a/kernel/time/timer.c +++ b/kernel/time/timer.c @@ -2180,7 +2180,7 @@ signed long __sched schedule_timeout(signed long timeout) expire = timeout + jiffies; timer.task = current; - timer_setup_on_stack(&timer.timer, process_timeout, 0); + timer_setup_on_stack(&timer.timer, process_timeout, TIMER_SOFTINTERRUPTIBLE); __mod_timer(&timer.timer, expire, MOD_TIMER_NOTPENDING); schedule(); del_timer_sync(&timer.timer);