From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6248D3603F6 for ; Fri, 11 Sep 2026 14:38:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789137507; cv=none; b=YpSOwoFfjxJz1nyXGxaiJnqliFPJg1BjHIxCIPJtE1u/qyG6FomYEPW/lJExlCLeALJUxvQWOd1YyMiK1bEdXKIq+dzesPaYMFIXRDduTzklJgpkTLWYN3ENft0muJLvqtsXiDJWsH7JeeyhlE60/VbLiEeCBiRcCzk1cdMLBlA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789137507; c=relaxed/simple; bh=GJvCmx2MfMYm9equO33kvsTJuKSOu+ge/w2GnIbcBK4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=j3veO/HkUPPFmzhDU4j7K/nUE95wbXHYnMNbBmzzOGC74wv0Bh+Q+Gkw4n5+p/h2njqy53GTDtMDJ4gKD4VlUcIYBdfO5QvmxAcpF3B/qZ/1yeAwYRCwrMJrmH0EFpzwqAoCnb6COnHeXmfwgXywtAvhDeZop+WJOvE5hZ6UvZU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ITZF1ajq; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=pBsiYd67; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ITZF1ajq"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="pBsiYd67" From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1789137501; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/fwlCvAZvaN3yiglrF68ZaeLaN7r8+E8m5jAkiJbzdY=; b=ITZF1ajqz1hVyoggygO19afb8l4EWH8LsDpSIXrNKSdvXEeNesFIc1HR+b07dbxkoUb+xG 6CSQ62DR7TdsiOP0ALMSSZGSiF1E/RP02jg4WUFzvfkstllbrAWC0GaBUJRcM3ZAblRrQU c3gPgyCg7ngGtvyXSQRPjkhmqr3uHyH9bBMxcrkwt6QVQJ5Vank10Zy3WAsA6+/Rg3IAQ0 FYRH7v/w51eefMLu1nPFGGCs/EAB1yzThA8fhr9AkXHnxrs01B4Jw5Lfod/AUKEUMQBOil RHis+iNt8HZ6en68bYbLinYrEp2DFxyCq6qAww8Mj5b3rKdV2IzZ28LrelR0Jg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1789137501; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/fwlCvAZvaN3yiglrF68ZaeLaN7r8+E8m5jAkiJbzdY=; b=pBsiYd67/gpRFTA8bkw6Cn9XAiR8IGY7BGlw37sxePpgMI/7RSeWbJXD+XIygfCFGDokEY KP0jkzcgpBazp+DQ== To: linux-kernel@vger.kernel.org, linux-rt-devel@lists.linux.dev Cc: Thomas Gleixner , Peter Zijlstra , Sebastian Andrzej Siewior , Clark Williams , Steven Rostedt Subject: [PATCH 1/3] irq_work: Update a comment regarding CPU hotplug invocation Date: Fri, 11 Sep 2026 16:38:12 +0200 Message-ID: <20260911143815.997254-2-bigeasy@linutronix.de> In-Reply-To: <20260911143815.997254-1-bigeasy@linutronix.de> References: <20260911143815.997254-1-bigeasy@linutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable hotplug_cfd() no longer exists and the flow changed a bit since the rework of CPU hotplug as of commit 31487f8328f20 ("smp/cfd: Convert core to hotplug state machine"). Update the comment to reflect reality as of today. Signed-off-by: Sebastian Andrzej Siewior --- kernel/irq_work.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/kernel/irq_work.c b/kernel/irq_work.c index f7e2dc2c30c62..9f19c05c9962c 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -252,10 +252,7 @@ static void irq_work_run_list(struct llist_head *list) irq_work_single(work); } =20 -/* - * hotplug calls this through: - * hotplug_cfd() -> flush_smp_call_function_queue() - */ +/* CPU hotplug calls this through smpcfd_dying_cpu() */ void irq_work_run(void) { irq_work_run_list(this_cpu_ptr(&raised_list)); --=20 2.55.0