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 72B3BC001DE for ; Thu, 10 Aug 2023 19:50:40 +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:Cc:To:In-Reply-To:References:Date: Message-Id:From:Subject:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2eW76PdpzUJZ6nScAYwQPYkRaqIqvS3RPpyLnkGc57s=; b=wa/vHYgNnkjU2s EGjSRikyuq88qdWa6pPG/GsVtTg7nqV5cAoXmaW3qEy2F2j3an9Xn/VT91sDVx4zjlTy9maxikOEO 7MSLKeJ0RHGT5KvqeprOW/gNJ38gzU5ZMnnMzSmXpLvnKmilYREABYkPx32qDRVIVHDQ1XOgEACqn o7G0bw0GAVJv39N42Mglf4125vH2MJ1RmTHlPuJJD5iF0AP1eTvWZ/0mouuviIbPiVjeyx81WZo+A E0osNikO5WZzRBXFVZEB5+3AD0FXB8PUerycvyGGrCa1pc3vWi9WK8EZasSDhkTrspYllJP/GXgfn wQzgtqnnE0FgKdOpJhhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qUBft-008amp-36; Thu, 10 Aug 2023 19:50:25 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qUBfr-008alk-2o for linux-riscv@lists.infradead.org; Thu, 10 Aug 2023 19:50:25 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DA5A56322B; Thu, 10 Aug 2023 19:50:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 4BBA0C433C7; Thu, 10 Aug 2023 19:50:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1691697022; bh=UHSK7sHWgdPvk4SUg9SCRlEo0k3DQS+f65ypDdcUiB8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ecFPGxpvw5VBd6ljqYdAWZl91LycZCnhaz/VRT0VaAZef2xwFL/eaqHWymREqRgJo +/ABD8PGOLst53forLvl9d2vC5+TagRcmhibi4eRRcGC5rErr+yjRKGCFsjDnB1lxo vR8sI/WhU0M+rXGGsyEUhf6+nwOuWoWoKFpYyzNhkUhGRiCh0fFzGP3TSWHhEm/uSF 8ZKrdQtqgSqdoYRASpeRLkec1G5jt5RySfkuq00xWwH2fnoLXaIh08n4ELicxCfqhp AG5LRi9el5qZt69rXHmNY+8/8oxTg7qH97fyshzQx4g0HnmAkt24VTmTlNLVF5vAFf sVsMTV+19OvCQ== 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 2CB71E1CF31; Thu, 10 Aug 2023 19:50:22 +0000 (UTC) MIME-Version: 1.0 Subject: Re: [PATCH -fixes] riscv: Do not allow vmap pud mappings for 3-level page table From: patchwork-bot+linux-riscv@kernel.org Message-Id: <169169702217.10459.13892718151102132616.git-patchwork-notify@kernel.org> Date: Thu, 10 Aug 2023 19:50:22 +0000 References: <20230808130709.1502614-1-alexghiti@rivosinc.com> In-Reply-To: <20230808130709.1502614-1-alexghiti@rivosinc.com> To: Alexandre Ghiti Cc: linux-riscv@lists.infradead.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, bjorn@rivosinc.com, linux-kernel@vger.kernel.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230810_125023_977167_937D4F29 X-CRM114-Status: GOOD ( 10.57 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to riscv/linux.git (fixes) by Palmer Dabbelt : On Tue, 8 Aug 2023 15:07:09 +0200 you wrote: > The vmalloc_fault() path was removed and to avoid syncing the vmalloc PGD > mappings, they are now preallocated. But if the kernel can use a PUD > mapping (which in sv39 is actually a PGD mapping) for large vmalloc > allocation, it will free the current unused preallocated PGD mapping and > install a new leaf one. Since there is no sync anymore, some page tables > lack this new mapping and that triggers a panic. > > [...] Here is the summary with links: - [-fixes] riscv: Do not allow vmap pud mappings for 3-level page table https://git.kernel.org/riscv/c/d566bea4a638 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv