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 39A8A36604B for ; Mon, 2 Feb 2026 12:28:16 +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=1770035298; cv=none; b=XjRgGybrvQkFcea15kTxQmG+QoySAF/5dFNU0f4VFO2e9XqFrjBZQ3Apnf0SV+VSm/MkvrCsHK4tvyeFilepDDpoltOqFVoRiMwtdB56IqrPR+avdh5/4fioBF8SpJBqgF5OXiRiOUf2niSFKWXR9Y5dC2Ut2SbyZ9/FS4bDDuU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770035298; c=relaxed/simple; bh=zusU6mslhdbHnNU3Pi+APSdLh0UQcPnyX4SFMckPrcs=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=tN5tbFSIXVT71hApyVryW2t5xKKDW/sFjG9edQ76vwKyOEBgNgJIfu2t6MKWPY/U8OD+2fIOBbjBhRGUTZ7mrJALAfLGg30LuyRQJEqNixvzNr9RuqpJc4cBE67xzHuiE4f5qcBOlrud3JTky+uFaOX8xPl6uo/6UAdyP6CXNXw= 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=oVlj6H9n; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=tFXTTYWS; 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="oVlj6H9n"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="tFXTTYWS" From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1770035294; 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: in-reply-to:in-reply-to:references:references; bh=zusU6mslhdbHnNU3Pi+APSdLh0UQcPnyX4SFMckPrcs=; b=oVlj6H9n3pRUeMf0d2RTbKYj38MAuOBsXgkawyhOENXNgmnXuW7Kmjs0+0ZDyEiNPWKmCN JDkG7cjk04RKrgoLOLcMG1sOjaBgYtFJ1hHPhi+BERnvbX2vpZt1h0ZwF6Nk5V3uhv5pJx x0aay/p5vBxrKWe3CyhfiNjScWeXa9ap28l73NQ8ZW3nipxHhSb8yEc2OsFVwNrBEADXmb XSDTiN5D+eCrvd7zTLELEAtHd+fNJfkxZN+I0iV+nf5KcRsTOvMytcJUEEqHhIbYr5++Y2 ryRlVLqQ3URO1TDPw8m2ECRHN199V6Sun+ZNdRlImjdj1ZiJuPikHofoRC71EA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1770035294; 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: in-reply-to:in-reply-to:references:references; bh=zusU6mslhdbHnNU3Pi+APSdLh0UQcPnyX4SFMckPrcs=; b=tFXTTYWSNUBHDzvEyL04/Tu0ofCNpBAe+dNBOLJrCDzC4RsFgqqzafRozq4VnahXzP6BlH xZgLLVgl7hMWaTDw== To: Peter Zijlstra Cc: arnd@arndb.de, anna-maria@linutronix.de, frederic@kernel.org, peterz@infradead.org, luto@kernel.org, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, vschneid@redhat.com, linux-kernel@vger.kernel.org, oliver.sang@intel.com Subject: Re: [PATCH v2 2/6] hrtimer: Optimize __hrtimer_start_range_ns() In-Reply-To: <20260121162507.643471683@infradead.org> References: <20260121162010.647043073@infradead.org> <20260121162507.643471683@infradead.org> Date: Mon, 02 Feb 2026 13:28:12 +0100 Message-ID: <87h5rzfhyb.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Wed, Jan 21 2026 at 17:20, Peter Zijlstra wrote: > Much like hrtimer_reprogram(), skip programming if the cpu_base is > running the hrtimer interrupt. > > Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Thomas Gleixner