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 65AE0C001DE for ; Thu, 10 Aug 2023 19:50:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236551AbjHJTuZ (ORCPT ); Thu, 10 Aug 2023 15:50:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57064 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234953AbjHJTuX (ORCPT ); Thu, 10 Aug 2023 15:50:23 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 52DDC2738 for ; Thu, 10 Aug 2023 12:50:23 -0700 (PDT) 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 DE3E7632CA for ; 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) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 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, 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