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GET /api/1.1/patches/2220899/?format=api
{ "id": 2220899, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2220899/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/patch/20260408114952.266001916@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": "<20260408114952.266001916@kernel.org>", "date": "2026-04-08T11:54:06", "name": "[V2,05/11] posix-timers: Switch to hrtimer_start_expires_user()", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "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/20260408114952.266001916@kernel.org/mbox/", "series": [ { "id": 499126, "url": "http://patchwork.ozlabs.org/api/1.1/series/499126/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netfilter-devel/list/?series=499126", "date": "2026-04-08T11:53:41", "name": "hrtimers: Prevent hrtimer interrupt starvation", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499126/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2220899/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2220899/checks/", "tags": {}, "headers": { "Return-Path": "\n <netfilter-devel+bounces-11718-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=upKcUMJW;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c09:e001:a7::12fc:5321; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775649250; cv=none;\n b=Y2JU4dpbDvoVFLqy/UwlKxe7/4vQMTun36S38A8b04ofiVFOZhfqt731HQg04XsaxxYS8XSKx9VjSp5esenRgxeZ0WPF+ihde/n1zYAa9DhfzP8R64l/iujNxVS4oCSMrHcmmEGi1V6SQGy8k8Fa//ZpNJeMKqRY9/cbOm1I1Ac=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775649250; c=relaxed/simple;\n\tbh=9cyhTTNUI7vvmGeh4y3PgC23aszprgLvvdj3n9KWWNo=;\n\th=Date:Message-ID:From:To:Cc:Subject:References:MIME-Version:\n\t Content-Type;\n b=cvVW0x84i+/6iIjVmtDegK3VHfUjO72I1piJiJ0Ivj8toN/2JnSHkXUydJOAXbWqMa3szxhIHH48EsJt1tyaCz/hvadPKtOPIDQLyfNzY+PZicMsJdu75zEeJV7VGkIRKgE+tS8z6rCV7enF/ldioOKQMl+VQkMPRQgVc9ksH8c=", "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=upKcUMJW; 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=1775649250;\n\tbh=9cyhTTNUI7vvmGeh4y3PgC23aszprgLvvdj3n9KWWNo=;\n\th=Date:From:To:Cc:Subject:References:From;\n\tb=upKcUMJWCV0W6vbYYCBoBXgS6F0Og3/hxcaGGNNVFz+wGufJ9kL2JIGYHwlPa+4vf\n\t Y8Tbnzq5R/lUO+pLlNkaufE6ugG+v0NmGgsoyAgjoRcbK4MztPNSPSKkXZ9bQajrrv\n\t kDtzhH9Tu+R2bdYRFd6QXMQpM7LXUezMcyY84oARjMe4tIgPcH+W2geFsKva3LLzwI\n\t n3tTm5PQ8s5hcvMChP5AoTa2qIvNkcZSYjkSV9EVuFtxBxxMG0RBzSczsy5DdPw+Zq\n\t Zfjmy2X1VAWVFzIkFhnqmrNPqGB6gT7z4/v81w/0A25kxxRfQLuZ9BjW2KWu3zF12v\n\t RXy5G5bYt8+Ag==", "Date": "Wed, 08 Apr 2026 13:54:06 +0200", "Message-ID": "<20260408114952.266001916@kernel.org>", "User-Agent": "quilt/0.68", "From": "Thomas Gleixner <tglx@kernel.org>", "To": "LKML <linux-kernel@vger.kernel.org>", "Cc": "\"Peter Zijlstra (Intel)\" <peterz@infradead.org>,\n Anna-Maria Behnsen <anna-maria@linutronix.de>,\n Frederic Weisbecker <frederic@kernel.org>,\n Calvin Owens <calvin@wbinvd.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 V2 05/11] posix-timers: Switch to hrtimer_start_expires_user()", "References": "<20260408102356.783133335@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>\nAcked-by: Peter Zijlstra (Intel) <peterz@infradead.org>\nCc: Anna-Maria Behnsen <anna-maria@linutronix.de>\nCc: Frederic Weisbecker <frederic@kernel.org>\n\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": [ "V2", "05/11" ] }