From nobody Fri May 10 19:12:25 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=templeofstupid.com) ARC-Seal: i=2; a=rsa-sha256; t=1676913435; cv=pass; d=zohomail.com; s=zohoarc; b=dmqDvvwk1bvMta2c5wXIskGEUMS6KrQOOuZDIAi3LRpp77U2GuteXi15J6hWTvhUH0zcNH4g9VhQJghI5nar3prn8SPPjasLLMLJIibHURtPmycsqe9J+2bZdBjuvQmKs1DR/pXHcBxizcM5YedxsFxCN69GP+zQLTM48PSJIqI= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676913435; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=jPLOaJx1XC+xepUu7FtXLYzyt2YPI1cX/q7Jp4OSr1s=; b=HKkfFAmNBSyFsb3b++9p2NxshCTleawjymUVFfUucNnRWQs6cZgmn13i4CNrHexHKg88OwT5faV7cHoGc8qIrdOIlQ25I88bf72YnJD7g0eRpse+5Xybrb+DLbSsJQU7Ea2Gm2XjK9gWjonnznFdfTVc1CmOtvDFrF1VixX0SzQ= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=templeofstupid.com) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1676913435556192.09690234034474; Mon, 20 Feb 2023 09:17:15 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.498287.769141 (Exim 4.92) (envelope-from ) id 1pU9mi-0005lm-5u; Mon, 20 Feb 2023 17:17:04 +0000 Received: by outflank-mailman (output) from mailman id 498287.769141; Mon, 20 Feb 2023 17:17:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pU9mi-0005lf-29; Mon, 20 Feb 2023 17:17:04 +0000 Received: by outflank-mailman (input) for mailman id 498287; Mon, 20 Feb 2023 17:17:03 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pU9mg-0005Un-UY for xen-devel@lists.xenproject.org; Mon, 20 Feb 2023 17:17:03 +0000 Received: from coral.elm.relay.mailchannels.net (coral.elm.relay.mailchannels.net [23.83.212.39]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 62d3ef3b-b142-11ed-933d-83870f6b2ba8; Mon, 20 Feb 2023 18:17:02 +0100 (CET) Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 72C958C184C for ; Mon, 20 Feb 2023 17:16:59 +0000 (UTC) Received: from pdx1-sub0-mail-a306.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 150DA8C149F for ; Mon, 20 Feb 2023 17:16:59 +0000 (UTC) Received: from pdx1-sub0-mail-a306.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.97.74.37 (trex/6.7.1); Mon, 20 Feb 2023 17:16:59 +0000 Received: from kmjvbox (c-76-102-200-71.hsd1.ca.comcast.net [76.102.200.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kjlx@templeofstupid.com) by pdx1-sub0-mail-a306.dreamhost.com (Postfix) with ESMTPSA id 4PL8Gx6vMMz19W for ; Mon, 20 Feb 2023 09:16:57 -0800 (PST) Received: from johansen (uid 1000) (envelope-from kjlx@templeofstupid.com) id e0067 by kmjvbox (DragonFly Mail Agent v0.12); Mon, 20 Feb 2023 09:16:54 -0800 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: 62d3ef3b-b142-11ed-933d-83870f6b2ba8 X-Sender-Id: dreamhost|x-authsender|kjlx@templeofstupid.com ARC-Seal: i=1; s=arc-2022; d=mailchannels.net; t=1676913419; a=rsa-sha256; cv=none; b=LHjYdKeo+GvxjBb2CAt5RzY3XHvdRjz0Ri//UuR/B0W8j7kdCpsCc+cSjrp0qIAiQW7mDh /rwarpT6ifIm0g7TBF0rDUSSN3kVhaWEO6rLersjz69TKQ/XtrMNI2X/hN860J/obOlKhB S6sfwOnuBvGvAJeiQqm+6iwAsdi9cViW52UiKRRGceLvoPpPhHrE1RfzBFdtLTmzy4MOPc tpPHmCvUEdbP5XN6uwZVPnXrGwYxV+NYvLrr3D5nKq3AIofhOMjnXCm2GXzTG3C8B16F2v WSKCxPvmGUNJKtRxX9/SmO0Wz+Z1xTV+T522qmbWuWpfGe8raon4zOYT4MM75A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=mailchannels.net; s=arc-2022; t=1676913419; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references:dkim-signature; bh=jPLOaJx1XC+xepUu7FtXLYzyt2YPI1cX/q7Jp4OSr1s=; b=rdUXetuzMNqmuK9nBl2gfZjCvEfUnaT6XMq9GfLIPCOTE95p5b97DmEiLL9Dzp6KwSM0d/ 0uGLdwtW6dKohn+0Escr26SVcMiu+Kc5tkKiygZhqifUekV8Dinej4c/Y7SCxHfCYT0MNc QkDrxoIYxLsBujDRsoFiiAlw7wHwX27TAI6TQvoWkonO3hXGNRPGS06+zqkr4dkKuTLTmX 114eTwCxIktNTb3WEAfB1V0rfQDjozUr2Pd9UiN/5b807nr9Ls+CypIoxxaf/wC+ObSnis O3VBtwzxZTlCBSX9P/BsBZNU1jyyubBijXPCz0YNylTkD0mJHQceh3p+ZgJdDA== ARC-Authentication-Results: i=1; rspamd-9788b98bc-qjg4h; auth=pass smtp.auth=dreamhost smtp.mailfrom=kjlx@templeofstupid.com X-Sender-Id: dreamhost|x-authsender|kjlx@templeofstupid.com X-MC-Relay: Good X-MailChannels-SenderId: dreamhost|x-authsender|kjlx@templeofstupid.com X-MailChannels-Auth-Id: dreamhost X-Bottle-Quick: 1a8a282a7279178a_1676913419317_2330254153 X-MC-Loop-Signature: 1676913419317:2680030077 X-MC-Ingress-Time: 1676913419317 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=templeofstupid.com; s=dreamhost; t=1676913418; bh=jPLOaJx1XC+xepUu7FtXLYzyt2YPI1cX/q7Jp4OSr1s=; h=Date:From:To:Cc:Subject:Content-Type; b=rBn5t9nd39DD3PrheNBrV//PfuVBGriKg54u+who5tQJupiTqQmzFpE9n1TFxGgTU xH4H3u37nLpo1Hus0ou6M6JSe53Ak3WZWHlEXNd1YjZ/vUGRYBJlA0SvOslsHhzLUp DozJZqCz3LnFjfiXoMPUBiMBqMd/9C7lTh+5cNiA= Date: Mon, 20 Feb 2023 09:16:54 -0800 From: Krister Johansen To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Jan Beulich , Boris Ostrovsky , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Marcelo Tosatti , Anthony Liguori , David Reaver , Brendan Gregg Subject: [PATCH linux-next 1/2] xen: update arch/x86/include/asm/xen/cpuid.h Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-ZohoMail-DKIM: fail (Signature length not correct: got 128 but was expecting 256) X-ZM-MESSAGEID: 1676913436967100001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Update arch/x86/include/asm/xen/cpuid.h from the Xen tree to get newest definitions. This picks up some TSC mode definitions and comment formatting changes. Signed-off-by: Krister Johansen --- arch/x86/include/asm/xen/cpuid.h | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/xen/cpuid.h b/arch/x86/include/asm/xen/cp= uid.h index 6daa9b0c8d11..a3c29b1496c8 100644 --- a/arch/x86/include/asm/xen/cpuid.h +++ b/arch/x86/include/asm/xen/cpuid.h @@ -89,11 +89,21 @@ * Sub-leaf 2: EAX: host tsc frequency in kHz */ =20 +#define XEN_CPUID_TSC_EMULATED (1u << 0) +#define XEN_CPUID_HOST_TSC_RELIABLE (1u << 1) +#define XEN_CPUID_RDTSCP_INSTR_AVAIL (1u << 2) + +#define XEN_CPUID_TSC_MODE_DEFAULT (0) +#define XEN_CPUID_TSC_MODE_ALWAYS_EMULATE (1u) +#define XEN_CPUID_TSC_MODE_NEVER_EMULATE (2u) +#define XEN_CPUID_TSC_MODE_PVRDTSCP (3u) + /* * Leaf 5 (0x40000x04) * HVM-specific features * Sub-leaf 0: EAX: Features * Sub-leaf 0: EBX: vcpu id (iff EAX has XEN_HVM_CPUID_VCPU_ID_PRESENT fla= g) + * Sub-leaf 0: ECX: domain id (iff EAX has XEN_HVM_CPUID_DOMID_PRESENT fla= g) */ #define XEN_HVM_CPUID_APIC_ACCESS_VIRT (1u << 0) /* Virtualized APIC regis= ters */ #define XEN_HVM_CPUID_X2APIC_VIRT (1u << 1) /* Virtualized x2APIC acc= esses */ @@ -102,12 +112,16 @@ #define XEN_HVM_CPUID_VCPU_ID_PRESENT (1u << 3) /* vcpu id is present in = EBX */ #define XEN_HVM_CPUID_DOMID_PRESENT (1u << 4) /* domid is present in EC= X */ /* - * Bits 55:49 from the IO-APIC RTE and bits 11:5 from the MSI address can = be - * used to store high bits for the Destination ID. This expands the Destin= ation - * ID field from 8 to 15 bits, allowing to target APIC IDs up 32768. + * With interrupt format set to 0 (non-remappable) bits 55:49 from the + * IO-APIC RTE and bits 11:5 from the MSI address can be used to store + * high bits for the Destination ID. This expands the Destination ID + * field from 8 to 15 bits, allowing to target APIC IDs up 32768. */ #define XEN_HVM_CPUID_EXT_DEST_ID (1u << 5) -/* Per-vCPU event channel upcalls */ +/* + * Per-vCPU event channel upcalls work correctly with physical IRQs + * bound to event channels. + */ #define XEN_HVM_CPUID_UPCALL_VECTOR (1u << 6) =20 /* --=20 2.25.1 From nobody Fri May 10 19:12:25 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=templeofstupid.com) ARC-Seal: i=2; a=rsa-sha256; t=1676913452; cv=pass; d=zohomail.com; s=zohoarc; b=VljUawnkUghfKR0dptcXRqE1oL40NznR9Yr5yXqewKAGE5XmaPLosnnlk+VubMF6aAW/RhEHBZKzura0hZzxwHgzwdezQ9GbKykCqsN3fM1b9LSrolHcQgI3Rtv9k6RmqresZs1wFqOxCqOhPhAeivErRCNyQuJ1TRg/0vCDl8I= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1676913452; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=1W/yHp+digs/9tQmrEdxtc9OFifUEYrTHbBFllZM5ek=; b=d6y6xMJFevkw3aHGdl24lqPKEw1sTg172K3PaCb2e141oXVX1I4aHM/O1Y1zoX0Uw4Np6BlaNYOYfl0QVNBqaP5VkMNX6aCb7x+4C7xV+ojEbDi0FwKMzgSpSHOkd+99l0dK+5xnsgMyEQ2quR3eTlrzbv8SDaRg3/zkHrxPVNg= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=templeofstupid.com) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1676913452881256.32999328718176; Mon, 20 Feb 2023 09:17:32 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.498292.769152 (Exim 4.92) (envelope-from ) id 1pU9mt-0006BA-De; Mon, 20 Feb 2023 17:17:15 +0000 Received: by outflank-mailman (output) from mailman id 498292.769152; Mon, 20 Feb 2023 17:17:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pU9mt-0006B1-Af; Mon, 20 Feb 2023 17:17:15 +0000 Received: by outflank-mailman (input) for mailman id 498292; Mon, 20 Feb 2023 17:17:14 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pU9ms-00064N-7y for xen-devel@lists.xenproject.org; Mon, 20 Feb 2023 17:17:14 +0000 Received: from gold.apple.relay.mailchannels.net (gold.apple.relay.mailchannels.net [23.83.208.72]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 68b9cdcc-b142-11ed-93b5-47a8fe42b414; Mon, 20 Feb 2023 18:17:11 +0100 (CET) Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id ABE0688175E for ; Mon, 20 Feb 2023 17:17:09 +0000 (UTC) Received: from pdx1-sub0-mail-a306.dreamhost.com (unknown [127.0.0.6]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 4CDFB88184A for ; Mon, 20 Feb 2023 17:17:09 +0000 (UTC) Received: from pdx1-sub0-mail-a306.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384) by 100.120.227.140 (trex/6.7.1); Mon, 20 Feb 2023 17:17:09 +0000 Received: from kmjvbox (c-76-102-200-71.hsd1.ca.comcast.net [76.102.200.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kjlx@templeofstupid.com) by pdx1-sub0-mail-a306.dreamhost.com (Postfix) with ESMTPSA id 4PL8H76xmYz14y for ; Mon, 20 Feb 2023 09:17:07 -0800 (PST) Received: from johansen (uid 1000) (envelope-from kjlx@templeofstupid.com) id e0067 by kmjvbox (DragonFly Mail Agent v0.12); Mon, 20 Feb 2023 09:17:04 -0800 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: 68b9cdcc-b142-11ed-93b5-47a8fe42b414 X-Sender-Id: dreamhost|x-authsender|kjlx@templeofstupid.com ARC-Seal: i=1; s=arc-2022; d=mailchannels.net; t=1676913429; a=rsa-sha256; cv=none; b=kvnksgyh6M8oen6dXHa6hqwrt0jYmY79LMBMaoI1zA39VHsu55q9+GDTX/8PpDQO41/syg tq3Mwm4LnvT/ruGjzdDBmZKeIO3Pr9biW2Z2VyL+c0fVlyTwS4cLuIfernBesdjMZ1VfnY UJGK/4Irz+IBqL+0UOQCt3Q9Lc8YEJ9itq4Xh6+aqQy/opSK8ghgoVwVcSlb7+Z8OmYhzo gViuhA0KA8mAbQzGS3Skg1GbvAQBhoxcn6XbWKhZWpwVkj5giAFsGcG877wrsZW/AfaBEl KzZwIkpGwgf/M+ZR1uXpEt5ePH4y4Avi1BEyakqBy1NjIS2qH5QgvuuxF6/chg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=mailchannels.net; s=arc-2022; t=1676913429; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1W/yHp+digs/9tQmrEdxtc9OFifUEYrTHbBFllZM5ek=; b=J5WP74FErdjwIGmhBynl9T4C1+WS224WE7CKPt25NBtgS3CtoPpUongJ/S06U09ud2vnHB IYSxUzn7j1TTn7ZhNxo03brQHY4HL9z77GM7LLfAOBiZT2uC0hzojc0FUoH0jtUCRLKx/B bf4puFtu1qm7pJxFDEkUo0eLMGtPYTT24MEXm779X4kT9S7bnQu/iEKcglWNR0cOJJTi+E ujCOgCQaHDGdQyoDhdETkCDu+fnbybw2pGakwmZh34eO97bIAnv/m5NzZCkTW1NePgTi+b ZpA2/Hvk1X6MtXlQ0IP7Kpp6bNZQJL7dHqndt1mx4Fj5C52dBqT/HFVAoDe66w== ARC-Authentication-Results: i=1; rspamd-5db48964c-wmdpd; auth=pass smtp.auth=dreamhost smtp.mailfrom=kjlx@templeofstupid.com X-Sender-Id: dreamhost|x-authsender|kjlx@templeofstupid.com X-MC-Relay: Good X-MailChannels-SenderId: dreamhost|x-authsender|kjlx@templeofstupid.com X-MailChannels-Auth-Id: dreamhost X-Skirt-Well-Made: 2c2945951908affb_1676913429530_3151703476 X-MC-Loop-Signature: 1676913429530:3091638531 X-MC-Ingress-Time: 1676913429530 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=templeofstupid.com; s=dreamhost; t=1676913428; bh=1W/yHp+digs/9tQmrEdxtc9OFifUEYrTHbBFllZM5ek=; h=Date:From:To:Cc:Subject:Content-Type; b=UUG+txwSbZjwjKPTHOyD8W9Nra+sAjzKNx1Z6Zjyj2c3VHCmyut7CT3coeCJ0wFee Wxoq7Kx4mLjOFB5TJiSakB0a5Dwa8JHYwJLGt5lY2dAgcucToTPtRj2A7vMLrsfGup 4IrCnF1Oay8LPGaD551QoJYhFev96Qv8lxefMIik= Date: Mon, 20 Feb 2023 09:17:04 -0800 From: Krister Johansen To: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org Cc: Juergen Gross , Jan Beulich , Boris Ostrovsky , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Marcelo Tosatti , Anthony Liguori , David Reaver , Brendan Gregg Subject: [PATCH linux-next 2/2] x86/xen/time: cleanup xen_tsc_safe_clocksource Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-ZohoMail-DKIM: fail (Signature length not correct: got 128 but was expecting 256) X-ZM-MESSAGEID: 1676913454844100001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Modifies xen_tsc_safe_clocksource() to use newly defined constants from arch/x86/include/asm/xen/cpuid.h. This replaces a numeric value with XEN_CPUID_TSC_MODE_NEVER_EMULATE, and deletes a comment that is now self explanatory. There should be no change in the function's behavior. Signed-off-by: Krister Johansen --- arch/x86/xen/time.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 95140609c8a8..cf6dd9f9fa6a 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -20,6 +20,7 @@ #include #include #include +#include =20 #include #include @@ -495,8 +496,7 @@ static int __init xen_tsc_safe_clocksource(void) /* Leaf 4, sub-leaf 0 (0x40000x03) */ cpuid_count(xen_cpuid_base() + 3, 0, &eax, &ebx, &ecx, &edx); =20 - /* tsc_mode =3D no_emulate (2) */ - if (ebx !=3D 2) + if (ebx !=3D XEN_CPUID_TSC_MODE_NEVER_EMULATE) return 0; =20 return 1; --=20 2.25.1