From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 2ACA119AD90 for ; Thu, 24 Sep 2026 12:52:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790254328; cv=none; b=U2vhplSwhot2upTOW7RMxBdA+dNcNMTZUZYtqrmv6ttm+MyOw0FO6sYR4CGTrQOOQ3t6yj76MynoW7LqGLMnLv9BUj4q+uGsz2vA2RMEhhovm71rER6Mec+GSurTXNiFIhyk/F74sO18pQJxBKrqyP88cfns/UohzhjEM111VS0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790254328; c=relaxed/simple; bh=ADqZ9pfSxrBUOUWJuiD2nGawKG5UnqegxBWFAmea2Yc=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=L6kovNq2xGkFI4md3qi30+KCsjmBJCe/ddKwumUvj9iLpTNqeXyaQVV3JY/ZDiXgXXPTgVpmgQ8s0xmijbgHsCojkrgw/DB2cFvbnc2hoKbmRkyssui3qBy54bTBI/YccVxipqs/cDKVryw2blqmmHK7b2PUbNr+vinwYVJFgN8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BGrH5K9V; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="BGrH5K9V" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80D9A1F000FF; Thu, 24 Sep 2026 12:52:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790254326; bh=ATftYKzA0CZDA3AOgkGPUu60qm2/nF5Ck9j3clJFEIQ=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=BGrH5K9VxXnAFthFWix63h7Bdb2uxVdn3f7ocfT29SIQqskCA/EaR516dXqbtYz/a UtxxT9WiLNanPfqLvSgkjPW1UchwVvmY8k3lKWo+lAziqfgPj0E8nKXmkA8cOFid9M rFnlrJlqglDecWtamWAm6sJsaoujK239XpG69bDsjZ8QeFR6NEqGxvSpsv4WEl3amX D3TK1OU3JA8oYFxioR8WfTYNSgAFgERB2jfKVFb3C0zMphzUS3jEqNJ+5qk1+ys1ph ebo44hAzshpzDg/kzGNpvaE5NBVgY/eD47I4Z/fdtDG+YbeBFbD8JItpL9EaMx40Ug Qk/L6Hfc+v9pQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH 4/4] um: ORC unwinder support Reply-To: sashiko-reviews@lists.linux.dev To: "Johannes Berg" Cc: "Alexander Gordeev" , "Vasily Gorbik" , "Christian Borntraeger" , "Heiko Carstens" , linux-s390@vger.kernel.org In-Reply-To: <20260924144039.52fff8ac4e16.Ie3f2b9610f0bc9cf45ca82c17f3b9e0f90354ea4@changeid> References: <20260924124039.1621965-6-johannes@sipsolutions.net> <20260924144039.52fff8ac4e16.Ie3f2b9610f0bc9cf45ca82c17f3b9e0f90354ea4@changeid> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 24 Sep 2026 12:52:06 +0000 Message-Id: <20260924125206.80D9A1F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Johannes Berg >=20 > Add support for the ORC unwinder on 64-bit UML. Since that's just > normal x86_64 code, the objtool etc. is the same and the unwinder > itself is mostly copied from x86, except > - register accesses, obviously; > - no need for (entry) assembly support > - interrupts are host signals, so we can unwind across them > by detecting the signal restorer and using the ucontext >=20 > Note that due to the indirect calls with -mcmodel=3Dlarge objtool > gets confused in some places resulting in some warnings, but I > couldn't find a way to suppress that and it seemed harmless. >=20 > Assisted-by: LLM > Signed-off-by: Johannes Berg Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260924124039.1621= 965-6-johannes@sipsolutions.net?part=3D4