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 7B6F7C001DF for ; Fri, 21 Jul 2023 23:56:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230206AbjGUX4p (ORCPT ); Fri, 21 Jul 2023 19:56:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229493AbjGUX4n (ORCPT ); Fri, 21 Jul 2023 19:56:43 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DDF4230E3 for ; Fri, 21 Jul 2023 16:56:42 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-5704e551e8bso25567437b3.3 for ; Fri, 21 Jul 2023 16:56:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1689983802; x=1690588602; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=JB0mHFDmU3sjG3ZEt8YBjzzYwrb6CiQP2HeKKPMa64Q=; b=7czSKVArYbjKlvoWLYM4+2xHiBQTDnu3Z/9oVQoar2KUiQzZAgwYxz3oOv8ym8DuTV pN1AKDyE4SdPxwA2BT+iv8gVeyjp1wTWYsKvZiHNV/fmSrUvTufu95z6kGt2dIUISU3x 1c27kC1rh/khD5B81SxRPUqTgvLNlsynfLXkaL1avx9Ar52ADcQuljq4IsS8EfXqFUBy l9jhwpeqZFWsPVeiCL5tzNlikMDJ/oW0r5SQQhYmpLVV7B4YWKKRZykthM7PvZNA/ZcH tOEo3v52H/61wRwlAacjF8ocUCVNAMylnS3FXcPpM1n8Ns5VDBiQDCgnRE0J/Q/1hQOj 10NQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1689983802; x=1690588602; h=cc:to:from:subject:message-id:mime-version:date:reply-to :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=JB0mHFDmU3sjG3ZEt8YBjzzYwrb6CiQP2HeKKPMa64Q=; b=euqIFUFFj9yjdXbrtVUwtFvMjpr4QzWm70Egdlc05ifM+KAVX9wzJApKXu0XdX+1kW jpakCpXtnNmaeWift1j7bVWbxDbSQCJccyD/bcGMfKzDYmInEhie9Iij7femoWZS06If TJ6Zcrp/t3FKSGEFrQ1ayG3eOvjcey5tr74jmCKW3KHA75rwb1PgS2KIBRdVxqnMkJM9 kiHmSMlNyuuI5RnYfLSUiF5tTq8WICMgB4JNTJRDRmhqRltYCM9DQ9Ux2aXPcNYOwYyf 4ay6i0HTZbzERbg7y1h0AmMUutQgY93GYaar69YBbPI/5/h6XrSPRRYHviELHPFiDjJf h9Cg== X-Gm-Message-State: ABy/qLbJNzQ/PnqTGKVUBQpYewnOmlbN6QEXt659VOqPZ3tGH/MPP7Kk v3aXlnrbMYYtTDbLka7ki0ZqU2PMtOM= X-Google-Smtp-Source: APBJJlHgc576QAi6DYUQZK18LKw7N9a5DJivtJPsdnyGXgzH3beYmcRhfE35qveH6GZoAfMIX9NVh9RQyfA= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a25:404a:0:b0:cbf:8936:4cb8 with SMTP id n71-20020a25404a000000b00cbf89364cb8mr20393yba.2.1689983802147; Fri, 21 Jul 2023 16:56:42 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 21 Jul 2023 16:56:35 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.41.0.487.g6d72f3e995-goog Message-ID: <20230721235637.2345403-1-seanjc@google.com> Subject: [PATCH 0/2] KVM: VMX: Make VMREAD error trampoline noinstr friendly From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Su Hui Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add another trampoline for the CONFIG_CC_HAS_ASM_GOTO_OUTPUT=n VMREAD error path in order to enable instrumentation, i.e. to make objtool happy, before calling pr_warn_ratelimited(). Sean Christopherson (2): KVM: VMX: Make VMREAD error path play nice with noinstr KVM: VMX: Use vmread_error() to report VM-Fail in "goto" path arch/x86/kvm/vmx/vmenter.S | 8 ++++---- arch/x86/kvm/vmx/vmx.c | 18 ++++++++++++++---- arch/x86/kvm/vmx/vmx_ops.h | 12 +++++++++--- 3 files changed, 27 insertions(+), 11 deletions(-) base-commit: fdf0eaf11452d72945af31804e2a1048ee1b574c -- 2.41.0.487.g6d72f3e995-goog