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 69E1BC46CD2 for ; Tue, 30 Jan 2024 13:15:18 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KpLVELQ5dj/eP/6n3e30Gk280ASjReLZkqrDVFGRkKc=; b=RMrbY1tBR3ptXK wA00a8DfgVkdkxXhdKxbFaclopwddLeZa0zvK2SLEszuR8gPPJFbhNinl7YS/fpobuMDx/y5yQe10 3HI4yCoZaUewmDYc8T0E7DlkHSATuqM2PdL59NrMhVZC+9HxE/aGnpO1BbWv0E04y+SAHPMNHf8Qw SKvzRtmU38w4XB1t4BqvtEUlKbp6RwebK7pNcHYdNnHQ0rAdHf/BZuaM7SgNSpRT/KNAJ80bQcLtA +AkDFUpFJc1THvy3zwik9PcIK+ao9Rxz9vaR0o89ULmpyeAtA9mHxfH/pbpzADW/jLlSktQqF2EJs 6PLOh4rhhfFfbIRJONyA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUnx9-0000000GoUz-3oOQ; Tue, 30 Jan 2024 13:15:03 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUnx7-0000000GoTH-0oTv for linux-arm-kernel@lists.infradead.org; Tue, 30 Jan 2024 13:15:02 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 9027DCE1931; Tue, 30 Jan 2024 13:14:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0016CC433C7; Tue, 30 Jan 2024 13:14:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706620498; bh=EHLCwJT36eAAqoyLCykQMrxwtp2k7e8Tb+7O/jnAMFs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rou6NxDlJer+fQDF6eERh8D8CicoGd6Ur+kIraGqOKa+daVJQzOUFWUNvuQVQP0CY 4UTTaBPzJmnpeMwJq3WrZrvSLgXB72nxpJU8QognmhK167RxhInxUwDhpFbpeWK5Uo iEdCyqmpyVXybkwbxp1u18TzUkOtjWxIm8JU1eJVIxj+Iwea7U1vrENyQinzGI9EUZ 25kDa+06ym5WXBdzMKe8pnyrQaNdjD/wwwkl43JSkw+UwFCrSKIsSaJZlj1VHtvozL OHA2nBeZGv4w+JPyRQeOBg9/tiZdRkaCfqpZd6XMtSCneHbkiKs9n3Vh1JpTNHGF3l 3JJ3nckevwhKA== From: Will Deacon To: linux-arm-kernel@lists.infradead.org, Ard Biesheuvel Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , Kees Cook , mark.rutland@arm.com, Sami Tolvanen , Ard Biesheuvel Subject: Re: [PATCH 0/2] arm64: Fix for dynamic SCS under full LTO take #2 Date: Tue, 30 Jan 2024 13:14:51 +0000 Message-Id: <170661556730.3840407.1476793732293805938.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20240123133052.1417449-4-ardb+git@google.com> References: <20240123133052.1417449-4-ardb+git@google.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240130_051501_428581_3BF92D3C X-CRM114-Status: UNSURE ( 9.83 ) X-CRM114-Notice: Please train this message. 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: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 23 Jan 2024 14:30:53 +0100, Ard Biesheuvel wrote: > From: Ard Biesheuvel > > Disabling unwind table generation turns out not to fix the issue with > full LTO and dynamic shadow call stack, as reported by Sami. So instead, > disable LTO for the compilation unit in question. > > Implemented as a revert + new patch so that only the real fix needs to > go to -stable. > > [...] Applied to arm64 (for-next/fixes), thanks! [1/2] arm64: Revert "scs: Work around full LTO issue with dynamic SCS" https://git.kernel.org/arm64/c/2fa28abd1090 [2/2] arm64: scs: Disable LTO for SCS patching code https://git.kernel.org/arm64/c/d104a6fef3fe Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel