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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g8-20020ac85808000000b003f9a7bba2casi2264858qtg.406.2023.06.06.07.53.42; Tue, 06 Jun 2023 07:53:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=xj06h7G2; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b=H6NJu23p; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236737AbjFFOic (ORCPT + 99 others); Tue, 6 Jun 2023 10:38:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238139AbjFFOiA (ORCPT ); Tue, 6 Jun 2023 10:38:00 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AAEB9198C for ; Tue, 6 Jun 2023 07:37:44 -0700 (PDT) Message-ID: <20230606142031.872478114@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1686062263; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=rQhQI9gfYBa5P/AVMCL9wQCPxah+3H97GdCXzoiFlTY=; b=xj06h7G2AYuL8XA++I9UO3Tv1HthEl4dLE7oPU7JbFZ/+TZxwMAc8uTehkZNcyX/ZP4rer o1y5qyIdGw2Mu7QAHEEWRZ2lBuZZWBDOEuXPAnIwOVcgYNi801OeIE/mW5WpQmU1vFhAf/ B+Xa9iasYCAVeffcCeSe+dzyLc4tRHmCFup6o5W6Bl8OHAD/F0cKE7m9SVXE8bvCwWKgOl zOII3BcKHF0ZP0frhI4/nZIRHH21D0ArWVsUAQbHTZHYzCihbcxJThjmTUsmFx05htv7U7 cZo6rr+MrdUFepmjJMXA4nVC5KAPPzUitd0dpuAF2eozJdC8PXOPBC2iU3MQuQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1686062263; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=rQhQI9gfYBa5P/AVMCL9wQCPxah+3H97GdCXzoiFlTY=; b=H6NJu23pM67W+4Wwdro+qTF2fnserfMFQXQZIBAcn6l/+MFh0aGf5bjOGA8hsJVHoR2MQd gLnBPwseG2ePG/DA== From: Thomas Gleixner To: LKML Cc: Frederic Weisbecker , Anna-Maria Behnsen , John Stultz , Peter Zijlstra , Ingo Molnar , Stephen Boyd , Eric Biederman , Oleg Nesterov Subject: [patch 15/45] posix-timers: Clear overrun in common_timer_set() References: <20230606132949.068951363@linutronix.de> MIME-Version: 1.0 Date: Tue, 6 Jun 2023 16:37:42 +0200 (CEST) X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED 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: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767965444464633217?= X-GMAIL-MSGID: =?utf-8?q?1767965444464633217?= Keeping the overrun count of the previous setup around is just wrong. The new setting has nothing to do with the previous one and has to start from a clean slate. Signed-off-by: Thomas Gleixner Reviewed-by: Frederic Weisbecker --- kernel/time/posix-timers.c | 1 + 1 file changed, 1 insertion(+) --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -867,6 +867,7 @@ int common_timer_set(struct k_itimer *ti timr->it_requeue_pending = (timr->it_requeue_pending + 2) & ~REQUEUE_PENDING; timr->it_overrun_last = 0; + timr->it_overrun = -1LL; /* Switch off the timer when it_value is zero */ if (!new_setting->it_value.tv_sec && !new_setting->it_value.tv_nsec)