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Mon, 3 Jun 2024 07:20:17 -0400 (EDT) (envelope-from sakib@darkstar.site) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 43d6d3b1-219b-11ef-90a1-e314d9c70b13 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=pobox.com; h=from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; s=sasl; bh=n/Gri7cpn2cravDMKsNg30rBQ 5Jg6W+aMAIEGe32Evo=; b=dCF9a04QKrLuNFjVNwZyYfAhQz0S4I/KbajsoeJh3 dRsxghoqoirdKVKmb3iHcUMk/laThMhELQBToZFd3PAlcQCA5LDC49GDx++MbNXr 5rxZmYK/OV+VCAlaRiPh61rwmid4GTfoLoPZ+5SQbtA8xjkCvvcC4NuXzQPQCDQM 5c= From: Sergiy Kibrik To: xen-devel@lists.xenproject.org Cc: Xenia Ragiadakou , Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Stefano Stabellini , Xenia Ragiadakou , Sergiy Kibrik Subject: [XEN PATCH v3 07/16] x86/hvm: guard AMD-V and Intel VT-x hvm_function_table initializers Date: Mon, 3 Jun 2024 14:20:14 +0300 Message-Id: <25d4ade03f22ae4eb260af3eae5f48528f2e3ca8.1717410850.git.Sergiy_Kibrik@epam.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-Pobox-Relay-ID: 4196CF28-219B-11EF-BE08-8F8B087618E4-90055647!pb-smtp21.pobox.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @pobox.com) X-ZM-MESSAGEID: 1717413640888100003 Content-Type: text/plain; charset="utf-8" From: Xenia Ragiadakou Since start_svm() is AMD-V specific while start_vmx() is Intel VT-x specifi= c, any of them can potentially be excluded from build completely with CONFIG_S= VM or CONFIG_VMX options respectively, hence we have to explicitly check if they're available and use specific macros using_{svm,vmx} for that. Signed-off-by: Xenia Ragiadakou Signed-off-by: Sergiy Kibrik Acked-by: Jan Beulich --- changes in v3: - use using_{svm,vmx} macro instead of IS_ENABLED(CONFIG_{SVM,VMX}) - updated description --- xen/arch/x86/hvm/hvm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 8334ab1711..7b8679bcd8 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -155,9 +155,9 @@ static int __init cf_check hvm_enable(void) { const struct hvm_function_table *fns =3D NULL; =20 - if ( cpu_has_vmx ) + if ( using_vmx ) fns =3D start_vmx(); - else if ( cpu_has_svm ) + else if ( using_svm ) fns =3D start_svm(); =20 if ( fns =3D=3D NULL ) --=20 2.25.1