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GET /api/1.1/patches/2220428/?format=api
{ "id": 2220428, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2220428/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260407083247.898494239@kernel.org/", "project": { "id": 26, "url": "http://patchwork.ozlabs.org/api/1.1/projects/26/?format=api", "name": "Netfilter Development", "link_name": "netfilter-devel", "list_id": "netfilter-devel.vger.kernel.org", "list_email": "netfilter-devel@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260407083247.898494239@kernel.org>", "date": "2026-04-07T08:54:43", "name": "[06/12] posix-timers: Switch to hrtimer_start_expires_user()", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "8705878344405e72445ef49af99b5eddb45b4ed3", "submitter": { "id": 92397, "url": "http://patchwork.ozlabs.org/api/1.1/people/92397/?format=api", "name": "Thomas Gleixner", "email": "tglx@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260407083247.898494239@kernel.org/mbox/", "series": [ { "id": 498944, "url": "http://patchwork.ozlabs.org/api/1.1/series/498944/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=498944", "date": "2026-04-07T08:54:12", "name": "hrtimers: Prevent hrtimer interrupt starvation", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498944/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2220428/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2220428/checks/", "tags": {}, "headers": { "Return-Path": "\n <netfilter-devel+bounces-11648-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "netfilter-devel@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=ndIuyLJn;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775552086; cv=none;\n b=HHPlYP+eHvGoVdqgYf0gE6pQk1FQhAQN1EKYBnMXeCNt/j8GWrEO+TTGyugmYBbCaqqOye1nYpfo3nShgeZ/upr1yhz0rdQ6GMfVcmeab0yrEcuIciU5WB+TMVPDng5OcxVkD3cLBes4D29WzXS5vFls4xz5jf82Vqsy9tZt6uQ=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775552086; c=relaxed/simple;\n\tbh=SjBcneGtGEBBNpNj//JNTkqgCJxRCk2wahLRcyQu83M=;\n\th=Date:Message-ID:From:To:Cc:Subject:References:MIME-Version:\n\t Content-Type;\n b=IfoR/nuX+re4LJatjJiAaFKOCRl4KFmS2fkNRNVTwHb1PEbSt/gcfafy3OQgNMgvT85vhP83lXyJwvFsNVdVaDXi8PeknpbxM5Z8AlRfQVd2jTnpDqLSkmxddP322BTPHKVb9EX637ArAbU5teb9c859ibHKoICKhikOnsbJDNE=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=ndIuyLJn; arc=none smtp.client-ip=10.30.226.201", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775552086;\n\tbh=SjBcneGtGEBBNpNj//JNTkqgCJxRCk2wahLRcyQu83M=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=ndIuyLJnqI4xTXK8fAk0gJhLGYSqS9IVQnjgQr9yi/hh/j8Z3mUC0glA8C2s4E3AM\n\t KL3ziHhdsMj7VZm01vEc18AMd3vMBigSAblgHUV/0NbRGR9GOdHTuJNRZieV0eZ8lx\n\t JTco+fCBHhjilmukPJ1hf+QQMGiACiN1fdB6VX4XwN30paB5ZjbHw7nXrCs5CxfqcF\n\t vDdStCbbkezwEPf4VASCsLggWtcRWidwcVbiNg49LmV8olNqALIMg1kCv2MIezjUea\n\t hWgvdl0UcVAZEUt4UImTRaj5IUSaxPZ+f/E/OF3KljHfDAOlrZ/8oz5pBMHDtdDA1P\n\t lfJHo8jlIpypg==", "Date": "Tue, 07 Apr 2026 10:54:43 +0200", "Message-ID": "<20260407083247.898494239@kernel.org>", "User-Agent": "quilt/0.68", "From": "Thomas Gleixner <tglx@kernel.org>", "To": "LKML <linux-kernel@vger.kernel.org>", "Cc": "Anna-Maria Behnsen <anna-maria@linutronix.de>,\n Frederic Weisbecker <frederic@kernel.org>,\n Calvin Owens <calvin@wbinvd.org>,\n Peter Zijlstra <peterz@infradead.org>,\n Ingo Molnar <mingo@kernel.org>,\n John Stultz <jstultz@google.com>,\n Stephen Boyd <sboyd@kernel.org>,\n Alexander Viro <viro@zeniv.linux.org.uk>,\n Christian Brauner <brauner@kernel.org>,\n Jan Kara <jack@suse.cz>,\n linux-fsdevel@vger.kernel.org,\n Sebastian Reichel <sre@kernel.org>,\n linux-pm@vger.kernel.org,\n Pablo Neira Ayuso <pablo@netfilter.org>,\n Florian Westphal <fw@strlen.de>,\n Phil Sutter <phil@nwl.cc>,\n netfilter-devel@vger.kernel.org,\n coreteam@netfilter.org", "Subject": "[patch 06/12] posix-timers: Switch to hrtimer_start_expires_user()", "References": "<20260407083219.478203185@kernel.org>", "Precedence": "bulk", "X-Mailing-List": "netfilter-devel@vger.kernel.org", "List-Id": "<netfilter-devel.vger.kernel.org>", "List-Subscribe": "<mailto:netfilter-devel+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:netfilter-devel+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8" }, "content": "Switch the arm and rearm callbacks for hrtimer based posix timers over to\nhrtimer_start_expires_user() so that already expired timers are not\nqueued. Hand the result back to the caller, which then queues the signal.\n\nSigned-off-by: Thomas Gleixner <tglx@kernel.org>\nCc: Anna-Maria Behnsen <anna-maria@linutronix.de>\nCc: Frederic Weisbecker <frederic@kernel.org>\n---\n kernel/time/posix-timers.c | 11 ++++++-----\n 1 file changed, 6 insertions(+), 5 deletions(-)", "diff": "--- a/kernel/time/posix-timers.c\n+++ b/kernel/time/posix-timers.c\n@@ -293,8 +293,7 @@ static bool common_hrtimer_rearm(struct\n \tstruct hrtimer *timer = &timr->it.real.timer;\n \n \ttimr->it_overrun += hrtimer_forward_now(timer, timr->it_interval);\n-\thrtimer_restart(timer);\n-\treturn true;\n+\treturn hrtimer_start_expires_user(timer, HRTIMER_MODE_ABS);\n }\n \n static bool __posixtimer_deliver_signal(struct kernel_siginfo *info, struct k_itimer *timr)\n@@ -829,9 +828,11 @@ static bool common_hrtimer_arm(struct k_\n \t\texpires = ktime_add_safe(expires, hrtimer_cb_get_time(timer));\n \thrtimer_set_expires(timer, expires);\n \n-\tif (!sigev_none)\n-\t\thrtimer_start_expires(timer, HRTIMER_MODE_ABS);\n-\treturn true;\n+\t/* For sigev_none pretend that the timer is queued */\n+\tif (sigev_none)\n+\t\treturn true;\n+\n+\treturn hrtimer_start_expires_user(timer, HRTIMER_MODE_ABS);\n }\n \n static int common_hrtimer_try_to_cancel(struct k_itimer *timr)\n", "prefixes": [ "06/12" ] }