From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fhigh-b7-smtp.messagingengine.com (fhigh-b7-smtp.messagingengine.com [202.12.124.158]) (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 87D7F5A0AA7; Fri, 11 Sep 2026 20:17:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.12.124.158 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789157868; cv=none; b=WhTe9cJKdkB5OsL42XIlseJXNg8CWuwaWZRrMCiSkOl7lRdOKiSrWpV0ApvVcSos61i8tRRu4XvSXFhRTJbp5xr4m/bIC+SSz792rrsiKf5LDGXdBrZ0JKASagHpMicv814SDiNF6JNGllVytDDTmt2+nB+HX0vz+S03HJwxkGM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789157868; c=relaxed/simple; bh=2fDN+ZmP/560wAFG8cOYJtqKuHH7Q8sHCodliC/q8NA=; h=MIME-Version:Date:From:To:Cc:Message-Id:In-Reply-To:References: Subject:Content-Type; b=ieGYf6SmxiGsdkGqmb3uYAoDOayQ0tXFnuddecEOxxsyZOkHuHRtpI3BZzoGwcb8nHLGjnTNjzF4ugkXC/rg5rDw/agfD20M1Okin4Odkd5D+Ehzxn1fR3n28lTjSMtfxLSfJZ+lu06aojR6NASKn0BLEmLcI7PV+tXKBecVooE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arndb.de; spf=pass smtp.mailfrom=arndb.de; dkim=pass (2048-bit key) header.d=arndb.de header.i=@arndb.de header.b=Wu7myXEu; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=Wfxl++9N; arc=none smtp.client-ip=202.12.124.158 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arndb.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arndb.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=arndb.de header.i=@arndb.de header.b="Wu7myXEu"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="Wfxl++9N" Received: from ams-compute-02.internal (ams-compute-02.internal [10.64.2.62]) by mailfhigh.stl.internal (Postfix) with ESMTP id 53CA57A00C6; Fri, 11 Sep 2026 16:17:43 -0400 (EDT) Received: from ams-imap-03 ([10.64.2.23]) by ams-compute-02.internal (MEProxy); Fri, 11 Sep 2026 16:17:45 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm3; t=1789157862; x=1789244262; bh=6EbnYxGqe0xixbnmgwrnZwLddp9Ao1JEq2A2JzywCcI=; b= Wu7myXEuTU4nZbcOAv+QPnbuAtWv8/+K/zriRJrhRxjnzdYRc2AU7kih4tjN7u4x FPsmMYEUWPKmpkcz4FTBjjna/GZEu6Nru1MDgU/VVsvv3wkFIfiiLgrOlm5athXV EpLnTenvHSogbwrLX5VrFXKiUXCht2PmwLZZLGYIbi3lnq+TzGADNgyzdTR6vFpz vlTbWSud0X+E7Twqix/O2qWfs1WhxAbh7Kq3Q5xN1tM2zkW6O4QX0gM1O+FT8hoB 6gqZyDW4m4hLgylpWza7RRsgJflSKPybgiWSft13eFyuR2TQCis0g56wedFzPDyh 09uP9TuOXOGPVBUdOyPXBA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t=1789157862; x= 1789244262; bh=6EbnYxGqe0xixbnmgwrnZwLddp9Ao1JEq2A2JzywCcI=; b=W fxl++9NU0d8tHTjJWeMiF05jlpLzcp5E3OeAHqL/90wDxsS+Vhgpg3kIsI9Bu3EU XL09lXtwZ+TWYQAdTdDPNoAelXZjVG5JszCpgnKrNwfkBR3mx8e4RAfVxJMB4C42 8Prv6vqIIhByMUEZIjDYld26i7/H/cUexctkJsp/WgiVDoMn/NUt2Gd5j8/bZr2Q BsJhHiK7aak41f7vAr3VSyVeboF41dMBB0gZOK891Uswa7Os9v1gMNh3GFtdylxl n+EgKweNNNW+0DYXIwbBr6QpesBHrdh8SzVAwsgdWlTMYXsSnE4tjIUo0H4F+EJZ G/0U49j1q5y/trkLHXvhQ== X-ME-Sender: X-ME-Proxy-Cause: dmFkZTGh0gLZNZBxe6Y5EwujO7h5YSAbLaol936kXjDbPkBTmCLtncegw+FJypwAB0cXMF 5VBA6L86GAs34nb9D7LOw6xcYkzdt4dfxfwMc8Df5DPPw0PSZiraAEsYITNStpuvxYvP85 6dvdSeWKu8M2XUSW2E+8odMexOEm7bEeGAV1bLv6IUDtMPL42JsG7nVzKQ3TCK37XXCqpF 92nRhGgzUy7iM+hCgmBshWzd5f6IuAsIj1DYDhgRWpdZJnswQNoYDbW0rpqX/Jrupgz+Ox oX9VL28TkUhg+2x+ivO5QRzZ/lXB/ma/Oe2TQkZPd7YTZf0gQEzke7B2TrNvpS8cf5e7dW YRtQzOcaJqvDbyTDiI/oDLnR6om5i0xGnn+PB0k/ganOZxbe0EHjVJz18oZTNUAD0EE8km qZf/fwV/9PWYrKrL7rpucLFdTIAGYZkafGJloWzOICo1mjJY1zl1AAfpAX5gvKvkt96MCe 0g6F6eYAV2zE9g7/JOD0zhd41ta7wMu40/Y1hfJ/ksIarblZHeIFSeF73Fqru5qQzxQ9Yz biMdM4KTC/yRDvAI9oPHDbpFetrxTvBTseI+nPrLrcgxdSAOAIkK2JJWNR/MoL23csKjlL RFJJ1UuW2r5iPkr1kmh8qX6hejxePJJHDk8MSoQlBO74jfJQy3+CfQtAjkAQ X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.ams.internal (Postfix, from userid 501) id C7F7532A0081; Fri, 11 Sep 2026 16:17:35 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: Atvpn89t2M6- Date: Fri, 11 Sep 2026 22:17:15 +0200 From: "Arnd Bergmann" To: "Bradley Morgan" , "Paul E. McKenney" Cc: "Frederic Weisbecker" , neeraj.upadhyay@kernel.org, "Boqun Feng" , "Joel Fernandes" , rcu , "Andrew Morton" , Linux-Arch , "Vineet Gupta" , linux-snps-arc@lists.infradead.org, "Russell King" , linux-arm-kernel@lists.infradead.org, guoren , "linux-csky@vger.kernel.org" , "Yoshinori Sato" , "Rich Felker" , "John Paul Adrian Glaubitz" , linux-sh@vger.kernel.org, "Chris Zankel" , "Max Filippov" , linux-kernel@vger.kernel.org Message-Id: In-Reply-To: <20260911192540.20983-1-brads@mainlining.org> References: <20260911192540.20983-1-brads@mainlining.org> Subject: Re: [PATCH 0/6] Add two-byte cmpxchg emulation and wire it into the architectures Content-Type: text/plain Content-Transfer-Encoding: 7bit On Fri, Sep 11, 2026, at 21:25, Bradley Morgan wrote: > Per Paul's note, Arnd Bergmann's platform removal series was > checked before analyzing the users. It removes the imx31 and > omap24xx CPU_ARM1136R0 selectors, but INTEGRATOR_CM1136JFS still > selects CPU_ARM1136R0 until its scheduled removal in early 2027, > so the ARMv6 path in patch 3 is still live. I can still restructure this and pull the INTEGRATOR_CM1136JFS removal a little earlier. At the moment, this is part of the patch to remove CPU_ARM1136R0, which I had planned to submit once the arch/arm/mach-*/ platform removal patches are done: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git/commit/?id=a8cfcc5533e33a I could turn the mach-versatile/Kconfig change into a separate (trivial) patch and add it to the platform series to avoid churn here. The armv6 cmpxchg() code would still exist in 7.4 then, but be unreachable. Arnd