From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 99CED53445B; Wed, 30 Sep 2026 21:35:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790804118; cv=none; b=E9vieTlBdaKOfZq7P24xVJnWct9Ym3lcJ2LlZYgXcsrTLAN1EQNVkIqIQf6kCKxHeondGb/alI2f4a/g5lAyKK61jhpgAFNSeO4T8cr9/vPfGjrvUQWrgDwRpjG/jt4xpDEQFjvAtlE/kLvkeTHqyfHQ9MEc0PVLCzdOxHCSxkM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790804118; c=relaxed/simple; bh=0MctO1ayCTT7HaN0dZFykZ6YWqJQJDpX1PP1Kg+ehh4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YpbV2IECrbn4xWEMloGdFbeZZZOGV1xNDvymphEih1k4glDXgp2ilx0QaQ9tTwzUY6zkunZX0QiuvSLP9ZKYkpq49e+8YQ3Kt7lRpCNCd66CZ/MOpa+FkWI7ccDeUOqLAoqRoeB2ws0QTLek6jQf+WxBZt15vaZLqpVxzMfCuqA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=kBVjpsWB; arc=none smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="kBVjpsWB" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790804116; x=1822340116; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0MctO1ayCTT7HaN0dZFykZ6YWqJQJDpX1PP1Kg+ehh4=; b=kBVjpsWB4OTXCF0CgHAQW1oDQvtooBtwi1E/1HsvsEHD3iiVkJEx3qs9 RPUOhJnmVQqWjWTpyg5C3c0tGx5yKQHdL7cDDpIkdrDToYkKg/43wjIQ0 CDgBRquLnu3Pbf7CvCJfG5fr8xJOuv8zJ9sSkMRLe6b8/F1qPUAmwgFxM Cw5uxGqQuuSYYTNbyrM958eVJDv5ogbRkDi10+UrI85NyMVJtce3HuAsF uBHw6NOJoP33rPMeTV43BwAqRgkqx5VOmS6qPX4HLmkDphgPf7dZqxI+f RnxErDbp4+qXx3QCtrP7uVGCs5IGAyNzSR4MRZq3kLjg2arptAz2DVMjQ A==; X-CSE-ConnectionGUID: bjH5XkFbSW++fDC+rgDDkg== X-CSE-MsgGUID: d9iSUKQxSC6UuWAIm974iw== X-IronPort-AV: E=McAfee;i="6800,10657,11921"; a="94432724" X-IronPort-AV: E=Sophos;i="6.27,133,1787036400"; d="scan'208";a="94432724" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2026 14:35:16 -0700 X-CSE-ConnectionGUID: bWtg+CuRRXaE/KyrmtfLxQ== X-CSE-MsgGUID: OAR2l/YVQOCeYGHDAZ2zpg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,133,1787036400"; d="scan'208";a="283867390" Received: from chang-linux-3.sc.intel.com (HELO chang-linux-3) ([172.25.66.174]) by fmviesa005.fm.intel.com with ESMTP; 30 Sep 2026 14:35:16 -0700 From: "Chang S. Bae" To: pbonzini@redhat.com, seanjc@google.com Cc: kvm@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, zhao1.liu@intel.com, chang.seok.bae@intel.com Subject: [PATCH v8 16/20] KVM: x86: Add APX to supported XCR0 Date: Wed, 30 Sep 2026 21:07:46 +0000 Message-ID: <20260930210750.1487547-17-chang.seok.bae@intel.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260930210750.1487547-1-chang.seok.bae@intel.com> References: <20260930210750.1487547-1-chang.seok.bae@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Set kvm_caps.supported_xcr0[APX] when the host has enabled the APX state along with CONFIG_KVM_APX=y. Tested-by: Zhao Liu Signed-off-by: Chang S. Bae --- arch/x86/kvm/x86.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 76f70d2631f6..8c6365122efb 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7132,6 +7132,8 @@ int kvm_x86_vendor_init(struct kvm_x86_init_ops *ops) if (boot_cpu_has(X86_FEATURE_XSAVE)) { kvm_host.xcr0 = xgetbv(XCR_XFEATURE_ENABLED_MASK); kvm_caps.supported_xcr0 = kvm_host.xcr0 & KVM_SUPPORTED_XCR0; + if (IS_ENABLED(CONFIG_KVM_APX)) + kvm_caps.supported_xcr0 |= kvm_host.xcr0 & XFEATURE_MASK_APX; } if (boot_cpu_has(X86_FEATURE_XSAVES)) { -- 2.53.0