From nobody Tue Nov 11 08:50:49 2025 Delivered-To: importer@patchew.org Received-SPF: none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) 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=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org ARC-Seal: i=1; a=rsa-sha256; t=1569855806; cv=none; d=zoho.com; s=zohoarc; b=UgTXLugCP3R2ezByyaRfcAKX+1UWv+4M2ez9HcNtobXnDNo2B/PZR8QRG4IXJG3XbEPQLDLSh7hzW+GFeSQymfCW7tgVSkxtnajDIA0HJwzKFqX+IGYxX9pRHTqGlJxj8VMbBDOvT8UU7EbkN089QiWw78UWj0p8ydeGie5GjBE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1569855806; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=oto4+gHbWxJY5/xCup7cF97/c8o68mO1HO/9cTC+dqc=; b=KgVyu1zCwC6h9aM9Q0whD02B8pcF/+yzPq1HEFiAciUXOV4ojnte/0wTmmMRW2eHHvhH70hOe73aJajfhwT5UtdGT4EXg1AnNJFTq8iRA56pPKgZR2J+4LVjOxeYDooLfdScDRne0gY4zERXL3R6KejHqW6R/CeKtKR1DqbmttY= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=none (zoho.com: 192.237.175.120 is neither permitted nor denied by domain of lists.xenproject.org) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1569855806298374.7486911664506; Mon, 30 Sep 2019 08:03:26 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iExAf-00066q-Un; Mon, 30 Sep 2019 15:01:05 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iExAf-00066W-9L for xen-devel@lists.xenproject.org; Mon, 30 Sep 2019 15:01:05 +0000 Received: from mail-wm1-x343.google.com (unknown [2a00:1450:4864:20::343]) by localhost (Halon) with ESMTPS id 17f62498-e393-11e9-bf31-bc764e2007e4; Mon, 30 Sep 2019 15:00:51 +0000 (UTC) Received: by mail-wm1-x343.google.com with SMTP id r19so13811461wmh.2 for ; Mon, 30 Sep 2019 08:00:51 -0700 (PDT) Received: from debian.mshome.net (207.148.159.143.dyn.plus.net. [143.159.148.207]) by smtp.gmail.com with ESMTPSA id f143sm32870852wme.40.2019.09.30.08.00.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Sep 2019 08:00:50 -0700 (PDT) X-Inumbo-ID: 17f62498-e393-11e9-bf31-bc764e2007e4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LzVJRQ/OrflFRie8Ab9jbbnlLHJRH6wdZOJqJE01vJw=; b=QWCngJ8/XkswncojFmlONEG7f/xnyHvnDnF32o87+RnyzmzLBoWbXe1yMV4sSMXpLK 41eVihLu+X7vufHY4sNmzo9fyaIhvopBLW+s4rx2mT/Yz+RIo2VSiSw3rhYpXzsrJJgy EYHT16mT30yXopxzE1BGgURTHsBXC4CwEYZMaJusU0v1hKh2iFJGtK/JMXPAWD4pCny8 drvgvIMQHQa3psuAr7ghy+QbJJIdRidOwpgWoSWL+p9qxJXXPp1J+oRHy5+IYKOsK6rz +nEkTVABzDemfO9z9MdgAq/xEzVXQwTcX/LTdPyYvk6GWifGef/rVOLpz3jSI5rtvy2K ERmQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=LzVJRQ/OrflFRie8Ab9jbbnlLHJRH6wdZOJqJE01vJw=; b=OVqjWDlPLLixpoY7A9/Ckjb/EFhMJXYSaWTen/xtNcouDa+NTGZS14924kSco/ZBJY jImbEPYO+rHExPHs19skF/BfKxBcpPWG9khyKs/HitvAF/jY1HLanK66R+Co/RGoExSW ZUvGGHFlj96voJtiC4+xcZR00y0MTsGzRB65j3j2WgQE0tmq/opcs3rzqvxCNmQlqYEf u9LvzflQpT99U66duSFSE/1HoD3eegJcKUEIcIhJarX2tTHxwyrJb5qfGNIfWLDWn5hQ g0yXnForIcnUL27o5r/2tstd481SasuzmObKkDeVp3ouslFFI2iPSKLisEnSIhS2KF3w WtEQ== X-Gm-Message-State: APjAAAVMKsySZKlqGOIza0xYkJYLHfivPTktujJw9qXwGjHoLjHFL6bg XxOTs7z4/Q4UKUVPX+wZ8M46UNMkQRM= X-Google-Smtp-Source: APXvYqzMvcdlLd0G6M6+KMjNP0aVwbOs2w0mcIOG/KOndkFHevClPCLWkJlNxpZKoEcnIa7mrDQp0w== X-Received: by 2002:a1c:cb05:: with SMTP id b5mr17220096wmg.79.1569855650906; Mon, 30 Sep 2019 08:00:50 -0700 (PDT) From: Wei Liu X-Google-Original-From: Wei Liu To: Xen Development List Date: Mon, 30 Sep 2019 16:00:37 +0100 Message-Id: <20190930150044.5734-4-liuwe@microsoft.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190930150044.5734-1-liuwe@microsoft.com> References: <20190930150044.5734-1-liuwe@microsoft.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH for-next v2 3/9] x86: drop hypervisor_cpuid_base X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Wei Liu , Wei Liu , Andrew Cooper , Michael Kelley , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The only user is Xen specific code in PV shim. We can therefore export the variable directly. Signed-off-by: Wei Liu Reviewed-by: Roger Pau Monn=C3=A9 --- xen/arch/x86/guest/xen/xen.c | 7 +------ xen/arch/x86/pv/shim.c | 2 +- xen/include/asm-x86/guest/xen.h | 2 +- 3 files changed, 3 insertions(+), 8 deletions(-) diff --git a/xen/arch/x86/guest/xen/xen.c b/xen/arch/x86/guest/xen/xen.c index 7b7a5badab..78fc603996 100644 --- a/xen/arch/x86/guest/xen/xen.c +++ b/xen/arch/x86/guest/xen/xen.c @@ -37,7 +37,7 @@ =20 bool __read_mostly xen_guest; =20 -static __read_mostly uint32_t xen_cpuid_base; +__read_mostly uint32_t xen_cpuid_base; extern char hypercall_page[]; static struct rangeset *mem; =20 @@ -301,11 +301,6 @@ int hypervisor_free_unused_page(mfn_t mfn) return rangeset_remove_range(mem, mfn_x(mfn), mfn_x(mfn)); } =20 -uint32_t hypervisor_cpuid_base(void) -{ - return xen_cpuid_base; -} - static void ap_resume(void *unused) { map_vcpuinfo(); diff --git a/xen/arch/x86/pv/shim.c b/xen/arch/x86/pv/shim.c index 5edbcd9ac5..5441e89de2 100644 --- a/xen/arch/x86/pv/shim.c +++ b/xen/arch/x86/pv/shim.c @@ -990,7 +990,7 @@ domid_t get_initial_domain_id(void) if ( !pv_shim ) return 0; =20 - cpuid(hypervisor_cpuid_base() + 4, &eax, &ebx, &ecx, &edx); + cpuid(xen_cpuid_base + 4, &eax, &ebx, &ecx, &edx); =20 return (eax & XEN_HVM_CPUID_DOMID_PRESENT) ? ecx : 1; } diff --git a/xen/include/asm-x86/guest/xen.h b/xen/include/asm-x86/guest/xe= n.h index 7e04e4a7ab..b015ed1883 100644 --- a/xen/include/asm-x86/guest/xen.h +++ b/xen/include/asm-x86/guest/xen.h @@ -30,13 +30,13 @@ =20 extern bool xen_guest; extern bool pv_console; +extern uint32_t xen_cpuid_base; =20 void probe_hypervisor(void); void hypervisor_setup(void); void hypervisor_ap_setup(void); int hypervisor_alloc_unused_page(mfn_t *mfn); int hypervisor_free_unused_page(mfn_t mfn); -uint32_t hypervisor_cpuid_base(void); void hypervisor_resume(void); =20 DECLARE_PER_CPU(unsigned int, vcpu_id); --=20 2.20.1 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel