From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 200C9368277 for ; Wed, 11 Feb 2026 10:29:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770805780; cv=none; b=WwhDskErZRlLbFnC57VCw+9VxBDVA24V4Zz6sqmQpj8zTaFOvYUWR3sZsn3Z9bh9keJthes3pY9v0zKVKQ5IfIVRY6hzA52vFbQGn+fj8Wvpz+ScY8PoNQc2/+iqnjLxrr6wqPUZaKnpoj5QZAKOd7RL3BGS3X+AcNc9S232C+8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770805780; c=relaxed/simple; bh=1S0vbWWfEtMQnQ4r362LGe95BBPV4Kq1mF/STZOwNTM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=t0EdoSOWL8ARnILwSCZxYswelb8+ArcHfNODrN+XWVD/KTNTCOKcRvXS9QHcYH1e7oJ0mTG3onpVwCIt2YgQ3GvRAKRUsOY4mJOxb2vQrVRgbcDQzoiigl2I6nMDgit7LOZlVabDmg2kz/XYuTGZSKO3QFCnL3bwPny8bpRyQYg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CTJeW0Z6; arc=none smtp.client-ip=209.85.128.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CTJeW0Z6" Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-4806ce0f97bso15242845e9.0 for ; Wed, 11 Feb 2026 02:29:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1770805777; x=1771410577; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=UlBcH75gknJHop9Hj00ouZtc9jKb8tF6/1XoWoJNDVY=; b=CTJeW0Z69ZSZzMMdpuMo+t202UiN/2zHhyT1Ja5dshhDaK9IBHpuqx3gWoAKZvKqbf 2GI/HQCeVL/nOBViH3GynK3i1Ru4WIu+NrWsPJTvEDmdByVvTsH3RYFoiVi55ESCQRCF q35K4HlNF4QOJFIuEZpVElVMS179WdsZOdh9Fkc6jDBGhXF1u9hHbUc2J8WUHH0lzuCL OWTuSaM7ackLZSNX/pzu4u0FXgS6zxWBrVtc/JPLBOfvprtEZu97xhqxWBCNxOlNvoJC nkdqXmb55hNQ+23it0Y/t+4/1PqwnHfw8ziiHxEHa6n1RdaWIB6MIo+Enclc/cknfYI1 yiWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770805777; x=1771410577; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=UlBcH75gknJHop9Hj00ouZtc9jKb8tF6/1XoWoJNDVY=; b=mi2TSigZv996nYt8c0KUSdbsico1dia64I/zucP9SZz4eY1IqrxSF+aRchKMrRz1f+ THXNCMvSLanXy6Pg+tdFU+Dcue18GMBHxNb2xn87bZ0z+nolQL5iTbdLfX5rcLc19pwf 8grwuzpbqybtMUxjSThsK6nZpDS5GpQgKFbEoB4c1mHZWtBD0OckUwmwLhIbvQPdcPl8 40i17XVleApuVlMJRjY8MVh9M8giDlXw4LP3Z14NS6YRpw5ieAIfIgk4LCA79vK75Fmf WW3iHdYy1dF4eNMjyd0SfGcYO4mk/MnuT84XC6Wan2UH4n/Jt99DGz2BAReRjmWRHs0o fXHQ== X-Gm-Message-State: AOJu0YylemSu3rDSnErWsiw+8Y6FARmMdMv6hgWidKjdImb5ocumvvVe M1nUUmKV5GknIDRqp9l8m8VVH2iR5F2RhNS1PAMPaBv3XStpuxxU2WBA3X8V+O/f X-Gm-Gg: AZuq6aLUYfYpRn/sZRgYxfEP51IMQRnIZtzpiFikZJr1g5smE8HD4AMtLpwxpt4REwp AvCjYu9eb9cYSG0rJ0ojsuzVuoHJTOvb1RBE+9YbbHJBhT5fSXsd29Q0wKV5Asivmxnh/zy3bPx wrKK5AyA3lS8kq5sDPnnU98FW42+XtCez19bKj3aF+qmlw83XzLIxQWIUM4Lu3S3I6essQt2+yB aeMlvPFHsGOrhNbJz+v6UlrztRNF2elSnwUePjztGYI4yenzq0OHN5xqe+DuhZ1uwhZ+kEU4csQ 16PYOcLLYLkcLwQj5kg/pSYU7CIVXTdwkoaSx7+0Aa3xjrxUKGdRnLNfD5ejfN64fEjIdIxr31Q foL8QQYj49fZS7ljI/tCbuLTzShQZTwEhjNNFYQ22F/kH1ChCg6rtmWNcuId5nRPARwIDiIg+ne GSkmXSOULadG4O4kkU8d/Wln6j6JQsyFaEwK1IjXHfQ1jV3g/haOrZ9EY= X-Received: by 2002:a05:600c:1388:b0:47b:e2a9:2bd7 with SMTP id 5b1f17b1804b1-48320216126mr225700155e9.19.1770805777015; Wed, 11 Feb 2026 02:29:37 -0800 (PST) Received: from fedora ([193.77.86.199]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4834d930902sm102500575e9.15.2026.02.11.02.29.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Feb 2026 02:29:36 -0800 (PST) From: Uros Bizjak To: kvm@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org Cc: Uros Bizjak , Sean Christopherson , Paolo Bonzini , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" Subject: [PATCH 2/2] KVM: VMX: Use ASM_INPUT_RM in __vmcs_writel Date: Wed, 11 Feb 2026 11:28:50 +0100 Message-ID: <20260211102928.100944-2-ubizjak@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260211102928.100944-1-ubizjak@gmail.com> References: <20260211102928.100944-1-ubizjak@gmail.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Use the ASM_INPUT_RM macro for VMCS write operation in vmx_ops.h to work around clang problems with "rm" asm constraint. clang seems to always chose the memory input, while it is almost always the worst choice. Signed-off-by: Uros Bizjak Cc: Sean Christopherson Cc: Paolo Bonzini Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: Dave Hansen Cc: "H. Peter Anvin" --- arch/x86/kvm/vmx/vmx_ops.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/vmx/vmx_ops.h b/arch/x86/kvm/vmx/vmx_ops.h index 1000d37f5b0c..81784befaaf4 100644 --- a/arch/x86/kvm/vmx/vmx_ops.h +++ b/arch/x86/kvm/vmx/vmx_ops.h @@ -221,7 +221,7 @@ fault: \ static __always_inline void __vmcs_writel(unsigned long field, unsigned long value) { - vmx_asm2(vmwrite, "r"(field), "rm"(value), field, value); + vmx_asm2(vmwrite, "r" (field), ASM_INPUT_RM (value), field, value); } static __always_inline void vmcs_write16(unsigned long field, u16 value) -- 2.53.0