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 82CCEC25B0E for ; Tue, 16 Aug 2022 19:32:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236879AbiHPTcZ (ORCPT ); Tue, 16 Aug 2022 15:32:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58866 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236768AbiHPTcX (ORCPT ); Tue, 16 Aug 2022 15:32:23 -0400 Received: from mail-pg1-x54a.google.com (mail-pg1-x54a.google.com [IPv6:2607:f8b0:4864:20::54a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F176987695 for ; Tue, 16 Aug 2022 12:32:21 -0700 (PDT) Received: by mail-pg1-x54a.google.com with SMTP id k4-20020a63ff04000000b0041beb6ea9bbso4331776pgi.21 for ; Tue, 16 Aug 2022 12:32:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:from:to:cc; bh=lnds6ny2TNE2xsTeBwgr2LZaFGS1qTR6zkBwE36ZPac=; b=n6mCgX9AA0fSKZgignFSTauJfNPKQiqQKj5oEO4y/re7xpeWAyuaHIq4jY64/1U4TJ d34doOwJgPRR5UnG76B4bPe6tNyDhWvJDVIO8V6uEwqbyNiRePCPPKcpXSomddMnYU4U fK+Dz+oRm6wix+ijA4slGOFe51rhYdXcWUsZCE8Mbq9gfoAd8ERCu+paFKuQ+8xZSPmH 8e3L6UVOpLrEw/PKRzmlxC1UWZQ8d5/RiWuvLRY3zsRgvly4IdminDhZV0t15LIHgfqj 4BWr13wZFNM5lW2BiCEAyLrjjvvRD9xDGSw71YrdWcBKKk0wx9mZVgUtp2yXgpW2suPw 0gkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc; bh=lnds6ny2TNE2xsTeBwgr2LZaFGS1qTR6zkBwE36ZPac=; b=yP6AINV8A8sCHbjutviKxc83+EA656rRefbnVz76W6hHCoJWk0n2H3VWa3v5E0BnMf RFSdJR2sl91dJb5zoRPdB3EkeLRYgMJ/6zTeo+VD16uf+QxqaNgFh3aMNtoMQ0LlWno4 od1aBCtk90kNqjHBrBr2In4BaxDbdOFu+APMqIwMBLiXC57MSxA43ZnuShJEZ9upcSKk I8W3CGv/DwU/gS2lnLu32dQE9q83y7lXZ15ty/SOO2O1lb8qL3/Xw0oZquIJkBtJMh2K i1vi4OUS0fchUT1bmrPDG+Heg+MXSDF82rsbCiJTgPLctJZnFkwiHPNXfgip+r7WdPEb 4eyA== X-Gm-Message-State: ACgBeo3E9AjSwhhyonXWQbaBGYaCbAUNqSidliWMh3erb++XKg069Hmz dVPtUCSrUjbLuRCvm5syPKQFTcqKl6w= X-Google-Smtp-Source: AA6agR4Phdgs3HsIXQvZUmZfFPGRrsUMqjfDu9WtYjkDvvD9fRiG4P0AsOjUwr+M+wjvgodXKT6WNeXe3D9c X-Received: from jackyli.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:3b51]) (user=jackyli job=sendgmr) by 2002:a17:902:f686:b0:172:8c44:8e94 with SMTP id l6-20020a170902f68600b001728c448e94mr2806567plg.157.1660678341448; Tue, 16 Aug 2022 12:32:21 -0700 (PDT) Date: Tue, 16 Aug 2022 19:32:07 +0000 Message-Id: <20220816193209.4057566-1-jackyli@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.37.1.595.g718a3a8f04-goog Subject: [PATCH v2 0/2] Improve error handling during INIT_EX file initialization From: Jacky Li To: Brijesh Singh , Tom Lendacky , John Allen Cc: Herbert Xu , "David S. Miller" , Marc Orr , Alper Gun , Peter Gonda , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, Jacky Li Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently the PSP initialization fails when the INIT_EX file is missing or invalid, while the initialization continues when the OS fails to write the INIT_EX file. This series handles both cases in a more robust way by resolving the file read error as well as throwing the write error to the caller. --- Changelog since v1: - refactor around __sev_init_ex_locked() and fix format. Jacky Li (2): crypto: ccp - Initialize PSP when reading psp data file failed crypto: ccp - Fail the PSP initialization when writing psp data file failed .../virt/kvm/x86/amd-memory-encryption.rst | 5 +- drivers/crypto/ccp/sev-dev.c | 62 +++++++++++-------- 2 files changed, 39 insertions(+), 28 deletions(-) -- 2.37.1.595.g718a3a8f04-goog