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 CF32EC43217 for ; Thu, 1 Dec 2022 20:10:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230450AbiLAUKW (ORCPT ); Thu, 1 Dec 2022 15:10:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229897AbiLAUKU (ORCPT ); Thu, 1 Dec 2022 15:10:20 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1EE928C692 for ; Thu, 1 Dec 2022 12:10:20 -0800 (PST) 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 ams.source.kernel.org (Postfix) with ESMTPS id CE00BB82025 for ; Thu, 1 Dec 2022 20:10:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 93BCBC433D7; Thu, 1 Dec 2022 20:10:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669925417; bh=66gIZp8QuckhxbGJe3SHqvbaAaSZGcddv1qT3Ntjfgc=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=RwVxCn7ViuR1CpOVf8tT3B7ZY+mBob1+3oOGzSLAB0TXI/q6XKS6iEWR/C0+5/aVM PCL6ViSFQ9A607B0yyxFazctlJOP+iK4VaiVP5Rv0bi7ade1Jv3ZNGWSizyIVf7BZU wFk9lr3sDEIZ21tqWvNmBTX9nuTijq4o+cg4ejqgywot+dsCRFHoVx/NwBV+Q5dj8n 8UWszWLhy/vDUuwb9ulG89WpKKovAOwdfOzwaz1KD/ajwkQyMMu2HgAxRYDDunfT8t xQemEoI16BHu2An+y/mVxs2S8nA01Xv/xYI2zcsK+tq3Z73k/p2WuPu+Kc/E/YwZqq 0WFfcZaWhqMrA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 72C2FE52537; Thu, 1 Dec 2022 20:10:17 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v4] riscv: fix race when vmap stack overflow From: patchwork-bot+linux-riscv@kernel.org Message-Id: <166992541746.24789.931668146499412553.git-patchwork-notify@kernel.org> Date: Thu, 01 Dec 2022 20:10:17 +0000 References: <20221130022442.18358-1-palmer@rivosinc.com> In-Reply-To: <20221130022442.18358-1-palmer@rivosinc.com> To: Palmer Dabbelt Cc: linux-riscv@lists.infradead.org, jszhang@kernel.org, guoren@kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to riscv/linux.git (fixes) by Palmer Dabbelt : On Tue, 29 Nov 2022 18:24:43 -0800 you wrote: > From: Jisheng Zhang > > Currently, when detecting vmap stack overflow, riscv firstly switches > to the so called shadow stack, then use this shadow stack to call the > get_overflow_stack() to get the overflow stack. However, there's > a race here if two or more harts use the same shadow stack at the same > time. > > [...] Here is the summary with links: - [v4] riscv: fix race when vmap stack overflow https://git.kernel.org/riscv/c/7e1864332fbc You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html