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Mon, 3 Jun 2024 07:24:30 -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: da47167b-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=sEkjfdgPA5uPcRwW5X9CnC8Lf bf4U4pmRrO5A9YryUE=; b=LhQL90P2fpJ9a4IStB+H/oyPE2fx62KY9i5DwDiMg Z+W52+FFuMDE+/mmn/HYaCFbzwuwdinLyF1On10RA/n8ShUR2ePaVl5pWjQYXVKB +gspc13lb/uy8RWM0LSBNNVLKDRjm/BXsUnK0DLuXxb8ikWHMYl3Ynj+0jradqkX Fo= 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 09/16] x86/traps: guard vmx specific functions with usinc_vmx macro Date: Mon, 3 Jun 2024 14:24:27 +0300 Message-Id: <63045d707485c818af5eafa45752e60405ecf887.1717410850.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: D84958B4-219B-11EF-B94D-8F8B087618E4-90055647!pb-smtp21.pobox.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @pobox.com) X-ZM-MESSAGEID: 1717413899835100001 Content-Type: text/plain; charset="utf-8" From: Xenia Ragiadakou Replace cpu_has_vmx check with using_vmx, so that not only VMX support in C= PU gets checked, but also presence of functions vmx_vmcs_enter() & vmx_vmcs_ex= it() in the build checked as well. Also since CONFIG_VMX is checked in using_vmx and it depends on CONFIG_HVM, we can drop #ifdef CONFIG_HVM lines around using_vmx. Signed-off-by: Xenia Ragiadakou Signed-off-by: Sergiy Kibrik Acked-by: Jan Beulich --- changes in v3: - using_vmx instead of IS_ENABLED(CONFIG_VMX) - updated description --- xen/arch/x86/traps.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c index 9906e874d5..a81f3cf57c 100644 --- a/xen/arch/x86/traps.c +++ b/xen/arch/x86/traps.c @@ -676,7 +676,6 @@ void vcpu_show_execution_state(struct vcpu *v) =20 vcpu_pause(v); /* acceptably dangerous */ =20 -#ifdef CONFIG_HVM /* * For VMX special care is needed: Reading some of the register state = will * require VMCS accesses. Engaging foreign VMCSes involves acquiring o= f a @@ -684,12 +683,11 @@ void vcpu_show_execution_state(struct vcpu *v) * region. Despite this being a layering violation, engage the VMCS ri= ght * here. This then also avoids doing so several times in close success= ion. */ - if ( cpu_has_vmx && is_hvm_vcpu(v) ) + if ( using_vmx && is_hvm_vcpu(v) ) { ASSERT(!in_irq()); vmx_vmcs_enter(v); } -#endif =20 /* Prevent interleaving of output. */ flags =3D console_lock_recursive_irqsave(); @@ -714,10 +712,8 @@ void vcpu_show_execution_state(struct vcpu *v) console_unlock_recursive_irqrestore(flags); } =20 -#ifdef CONFIG_HVM - if ( cpu_has_vmx && is_hvm_vcpu(v) ) + if ( using_vmx && is_hvm_vcpu(v) ) vmx_vmcs_exit(v); -#endif =20 vcpu_unpause(v); } --=20 2.25.1