From patchwork Mon Sep 27 22:36:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oliver Upton X-Patchwork-Id: 12521191 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE3E0C433F5 for ; Mon, 27 Sep 2021 22:36:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A742760EC0 for ; Mon, 27 Sep 2021 22:36:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237884AbhI0WiK (ORCPT ); Mon, 27 Sep 2021 18:38:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237844AbhI0WiI (ORCPT ); Mon, 27 Sep 2021 18:38:08 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8501AC061575 for ; Mon, 27 Sep 2021 15:36:30 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id h18-20020ad446f2000000b0037a7b48ba05so79069565qvw.19 for ; Mon, 27 Sep 2021 15:36:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=awXGcyw9qU3X89D85AKJWKhXIsqx2bBCtPEaNJBsoo8=; b=N0TNmAlgGB+1ntXKuel/4ogZtyl3PP3lweKgPBkPCcUP/FFKRibHkGInbke8bTP3Ny MCFnLnUL7OS/pVC7d2QdL2wk6QjUIkXwzr1QC4OkKZqWs8+6yAI9dag/q4s4/emEQo7a LCrO1gdfV7N/WXOple7JlzAqhlpvNR2wrBv4jtDSFU4SZVknILSc5fSHQGRARehnm4Ac /OdSFo3vLSwyAQYSKiDs/kb4udZRqcAj27ob5Iq0YqF6lJNzdTHEExdh+pw54LXXxLYo CsfPPbANWqrq86mlFmZLiuFHbQAfL1o70KI+WRI9befNDXOl0dlwCAEtS+LR5i3sHygP qVkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=awXGcyw9qU3X89D85AKJWKhXIsqx2bBCtPEaNJBsoo8=; b=78c/w83VqQpt4RenOvHfP239diqFbFzAgfHG+vOM7Tl/svX3g1Sy7g5WbJvJ2615VT 32XW2wKpIzKEr4MXeI1Gp5pqxbkf6wbR5vclqCAzxCtiw6/fzyKw2JuJsl13y+VmFL0R euqThFi3oUrBOeVaUFwD6zd7wZXsEZ8DnY6138ddglsRUkLVO7dDPrUXcGm2HTZUAafa i4G0eaGiyjou+u1/0Vj4y2SEUjruApy1/w5/D9DkS6NkcVY5SNNoNCn3KWZpjYEQ1yPa Put4VxWwrKrrAYPkf7fOuv253RPuzRvYXxLgviy+AXOQoscJ7yJ2x6soWLDYQXWUlL2z gAYw== X-Gm-Message-State: AOAM533IZO9DlvZ2gBfNDap6Ba9j4165qBH/kBocXtQPz4/9DL/l03rA dQ+Y04Oc1s805SAQ4y1YfyYY/ePn+KnKls9fHFQv+Bn/qjwfY6Iw/Ms6Vj1iJnHT7HkgqcLVK+k BCa94nWEb9tigMlHTR6bYpi4tBxAEgMxwj6ET0QPv+jW0q3umZAS/kTUW5w== X-Google-Smtp-Source: ABdhPJyp164eXQKhIcjjJku39MF2zkW4XXqcpW4YQ0sDZmrb1I0Yx6d3oThgVrHOsnUkRymmkoi5MVeuRLI= X-Received: from oupton.c.googlers.com ([fda3:e722:ac3:cc00:2b:ff92:c0a8:404]) (user=oupton job=sendgmr) by 2002:a05:6214:122e:: with SMTP id p14mr2407194qvv.37.1632782189677; Mon, 27 Sep 2021 15:36:29 -0700 (PDT) Date: Mon, 27 Sep 2021 22:36:21 +0000 Message-Id: <20210927223621.50178-1-oupton@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.33.0.685.g46640cef36-goog Subject: [PATCH] selftests: KVM: Don't clobber XMM register when read From: Oliver Upton To: kvm@vger.kernel.org Cc: Paolo Bonzini , Jim Mattson , Ricardo Koller , Sean Christopherson , Oliver Upton Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org There is no need to clobber a register that is only being read from. Oops. Drop the XMM register from the clobbers list. Signed-off-by: Oliver Upton --- tools/testing/selftests/kvm/include/x86_64/processor.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index eba8bd08293e..05e65ca1c30c 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -315,7 +315,7 @@ static inline void set_xmm(int n, unsigned long val) #define GET_XMM(__xmm) \ ({ \ unsigned long __val; \ - asm volatile("movq %%"#__xmm", %0" : "=r"(__val) : : #__xmm); \ + asm volatile("movq %%"#__xmm", %0" : "=r"(__val)); \ __val; \ })