From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A5DEFC02198 for ; Mon, 10 Feb 2025 09:50:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ytub/ABhcHAGBMlswmK9bBHTCNc+843SkpYmie3uZSU=; b=qUJ64HgR5wgKWkBhqGBxAZUJ1R k/q0ALoa4vgjy2kbsgnb6YhSzYqod6CYGNx2lrtWYGuJO9TAfhFMjQrexiWvZvFDP7/6byoBxnTzW wVRdrvE7Fz6opd8rtAmSrOIScVj2SveWdiDwjYafBt+kQbO54Aj/50b9IAnRCPMz14NrNHxbjychO Nh2UHu4w7NnAx+dk9WQD3i/H7DJ7K18pZFf4tnyuFI4asmUDJQuCPAidDWBMMMWDh+P/wKeWcMWwA QNfKTzcvIRS9HpGnM7paS+NnAgD0PeKjt2CqPV8a2TpQ0b+uMl3Ilkly5PKDdvLzEPrXrmvsLSOf2 7Zt1cWBQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1thQRD-0000000GsXd-0Hpx; Mon, 10 Feb 2025 09:50:47 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1thQPp-0000000GsLw-2HI9 for linux-arm-kernel@bombadil.infradead.org; Mon, 10 Feb 2025 09:49:21 +0000 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250206105435.2159977-1-memxor@gmail.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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?