From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 7AB661C54BE; Mon, 10 Feb 2025 09:49:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739180967; cv=none; b=MHHKkUtxCpB69ONjz3PVG0dS2AjXZC/B+oEfy5cQlRfLLoxq4nt5S5I1HhN59tWIbSmhgGh0GnLBZ01jmvi9yeT1jjAOjMGCjzIVL8a5zc4rvbknYXIaBLM6k9VpNLRXoBqVk4uSebxKKE8hgOvINBRTSgR6kcTm8w50hDyCwy8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739180967; c=relaxed/simple; bh=IYo7mb1ZykaJJPoWxh4tWYrTUM39JJlinSAZCQsZuk8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gBfwQ3tJXlBUBRjzUjojIYXHfrf5Vrk0sZq0AtTbeVcT7t3jXKNx9Osb/RErqLto/DW7qxGo6Xyn65wRzKU01DnbvQmsDFoZAkJGOVHeBFuAD/a4x8RMWCFHxSc08xRQ9v07/VLJQ375H6mbdB0p3EMSTk6BzseGdbbP5/uN8gs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=qqagFlWp; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qqagFlWp" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ytub/ABhcHAGBMlswmK9bBHTCNc+843SkpYmie3uZSU=; b=qqagFlWpGiC7s1kMia0gIKijlN degAWsQOLPxd5BTt2tcdwc0UY/0zj07lzu01pCW+NCaCtjbVN/uByyftaO1rGaB5j+2Di6akbxPa8 y6ObBM0qhYBwdCpZtp3d45MsCEqfnytyYcr+OWbhQewqc+7R/OCRU+WHfzmUz0Au3bmCo3qy3vgTD V4aRyy5iVb7SodDLRcA+TzWpI0nVODXviPCYN8M/AZ3aPYaq35gtsrcPiKXTZBlJwiIQ5ypPG/VME kQdN5oIqwi2SK+R8DUF1SgRgfWMlZKuimcwiJTNbd/KUvIwIOtYtrK6zLrlpRQ6xc2HgqJvxU0EFl YvbM9dpg==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1thQPn-0000000FTCe-16Mo; Mon, 10 Feb 2025 09:49:19 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 401B1300318; Mon, 10 Feb 2025 10:49:18 +0100 (CET) Date: Mon, 10 Feb 2025 10:49:18 +0100 From: Peter Zijlstra To: Kumar Kartikeya Dwivedi Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org, Linus Torvalds , Will Deacon , Waiman Long , Alexei Starovoitov , Andrii Nakryiko , Daniel Borkmann , Martin KaFai Lau , Eduard Zingerman , "Paul E. McKenney" , Tejun Heo , Barret Rhoden , Josh Don , Dohyun Kim , linux-arm-kernel@lists.infradead.org, kernel-team@meta.com Subject: Re: [PATCH bpf-next v2 00/26] Resilient Queued Spin Lock Message-ID: <20250210094918.GF10324@noisy.programming.kicks-ass.net> References: <20250206105435.2159977-1-memxor@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250206105435.2159977-1-memxor@gmail.com> On Thu, Feb 06, 2025 at 02:54:08AM -0800, Kumar Kartikeya Dwivedi wrote: > Changelog: > ---------- > v1 -> v2 > v1: https://lore.kernel.org/bpf/20250107140004.2732830-1-memxor@gmail.com > > * Address nits from Waiman and Peter > * Fix arm64 WFE bug pointed out by Peter. What's the state of that smp_cond_relaxed_timeout() patch-set? That still seems like what you're needing, right?