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 5F320ECAAD1 for ; Tue, 30 Aug 2022 17:59:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To: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=UzYT1sk5pI2UwEAnuheLPpQLu8/IeU8oy9wRcJSmKhg=; b=dlvWcy7F4GHvcxhG2cCBQ5V9Wh ZbRd7sjce7b6pRn/U6cPizwd2EXfWU8cTZwgjvPepCFGnk0W0rwwDGGC4M9BcQnymn+EKRFk3KO/F yLmxbotuEF3Zvvhlx6bRdZDTB/dThYn8SDVd7ixHY4ANZaFbHuq5scOufCyEKGhgCJklZa8qZeu+t ZponfCGmpQXo9we1IiPl71lBxefNU8BuG+vikCj5RdGp2yqsru5vTzX77QpWg5OAsqpt8u134wUmD AX2vYw74drOHVBz7BLsgdbGT/s6Da2QhZsI7MMKmH0OcFlFmk/+JtPkcRe15AWubTQRQOrqKX2tC7 e3Caifcg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oT5VB-0011zQ-BY; Tue, 30 Aug 2022 17:58:17 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oT5V7-0011yK-R6 for linux-arm-kernel@lists.infradead.org; Tue, 30 Aug 2022 17:58:15 +0000 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 31F59614A4; Tue, 30 Aug 2022 17:58:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E7B2C433C1; Tue, 30 Aug 2022 17:58:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1661882292; bh=sybPumXRTrZl2VUTu1Lul+2QtsmCj+bXbYY0Ec9V6Nc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=F/kq8cXE+OBDPeYGcLVKD7LAAPXvfffIjNmrdN7JICx0jHC5rZjDtjNXiIMof9XDx Dp89MRx4or0pCiPChJieA4of8rBpgn/z33h54tVBJ8QHqmaEypKUKp/ZrYRK9KHvkI 47eRucrG6j1s1Z3WOFNuEJpDXcIgmIp+f+mXvj+alcSVtpMHkEqBPNY3AkMrfQg3GE eZuP6SCTbpTu/vR1FoYJmEOmCHTf/DPFAp4jm+4fRkbPI2BPb2WhKSHsPl78T9smoI ag8RGM6/MpBEuTq6wDugRaXdm7PzX/iKRvvCSUfj31xRSRIoI17rqwEG9HD1mkEHja CbxX1yn+2BaPA== Date: Tue, 30 Aug 2022 18:58:09 +0100 From: Mark Brown To: Sasha Levin 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 In-Reply-To: <20220830172141.581086-14-sashal@kernel.org> X-Cookie: Necessity is a mother. X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220830_105813_933579_EC898516 X-CRM114-Status: GOOD ( 13.09 ) 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: , Content-Type: multipart/mixed; boundary="===============5579937248339103754==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============5579937248339103754== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="5BnFLNDp644MiSfw" Content-Disposition: inline --5BnFLNDp644MiSfw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 30, 2022 at 01:21:31PM -0400, Sasha Levin wrote: > From: Mark Brown >=20 > [ Upstream commit 7ddcaf78e93c9282b4d92184f511b4d5bee75355 ] >=20 > 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. --5BnFLNDp644MiSfw Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmMOT7EACgkQJNaLcl1U h9BqAAf+P0C3w4jbPe9ZwvlXlJ5Lxcz1wmkm/TM/Ybj/OgRPqAlAy8JcHq9TqPDD WxMUfFH8yYktrmFZJfhxOwWOuBpDIMHOebd/7c07LvcOzEEdCzKK3YS1Gb8pv1xJ nsHnONwiWFlsubP7MtJL9NuDO9tSlCK1dqTbWmCpIe7AdnwI0d5yUMcqJYT8rw78 ZFNcjBrrKYcFHE9k1/mZNvxbUEDmKgfOYgmSB7KNEn9JPB4+1UMPpXCuTsgf+aMl UrmpcL3ZHrAFGQ5U2hVhzQLMhqYHFGnmbVYYO6C5fvLYjbZAoIJQEfdBhw0QJdZJ AWNDcwm4RtAEnfekY8ooobBFr69g5A== =E+48 -----END PGP SIGNATURE----- --5BnFLNDp644MiSfw-- --===============5579937248339103754== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============5579937248339103754==--