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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA012ECAAD3 for ; Wed, 14 Sep 2022 18:00:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229728AbiINSAJ (ORCPT ); Wed, 14 Sep 2022 14:00:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229543AbiINSAE (ORCPT ); Wed, 14 Sep 2022 14:00:04 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1727B7EF; Wed, 14 Sep 2022 11:00:02 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3D88D61DD7; Wed, 14 Sep 2022 18:00:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE62CC433D7; Wed, 14 Sep 2022 18:00:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663178401; bh=/T/HGsyFeq6YUQ0uFTTthXz3ER0Xg8cFzCxncScQBd8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=G37Trs8qORJpFcJKWa9ESzclCkLrA8b/y7RUFOwNhtqwLbhlt80K79qkCEaXsPxH4 WHuGmty1RigKSf6qy5i5VVzrjpdCD2ZWmrP9+7YnSb8TYkgkJG7FeDXZpnKSr3R3dm w+Zfxy/7W0PZ2OAowK6qIpTQz6p93p0VHEcMPKiTuL9AWXYeFgcGJD9XRSoPKe5cjq kKPF9fpghwaH9kDt4vK6GD5jLRb9ooSBObGRYOPttXUtGIavLRtA3KtwegXIvAccdi kt8uvUwbRskkF/tpKdvAvO2Qe5llb3kPs8P4NhsF4x5UtUVxMvtmORkyjgaODmcNJm jnGjg/EpLvg3w== Date: Wed, 14 Sep 2022 13:59:57 -0400 From: Sasha Levin To: Mark Brown Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Catalin Marinas , Will Deacon , seanjc@google.com, mark.rutland@arm.com, elver@google.com, david.engraf@sysgo.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH AUTOSEL 5.15 14/23] arm64/signal: Raise limit on stack frames Message-ID: References: <20220830172141.581086-1-sashal@kernel.org> <20220830172141.581086-14-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 30, 2022 at 06:58:09PM +0100, Mark Brown wrote: >On Tue, Aug 30, 2022 at 01:21:31PM -0400, Sasha Levin wrote: >> From: Mark Brown >> >> [ Upstream commit 7ddcaf78e93c9282b4d92184f511b4d5bee75355 ] >> >> The signal code has a limit of 64K on the size of a stack frame that it >> will generate, if this limit is exceeded then a process will be killed if > >I don't believe this is relevant to kernels without SME support. Ack, I'll drop it. -- Thanks, Sasha