Message ID | 20230731064133.3881-5-xin3.li@intel.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-edac-owner@vger.kernel.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95DECC001DF for <linux-edac@archiver.kernel.org>; Mon, 31 Jul 2023 07:14:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231394AbjGaHOy (ORCPT <rfc822;linux-edac@archiver.kernel.org>); Mon, 31 Jul 2023 03:14:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53066 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231389AbjGaHMT (ORCPT <rfc822;linux-edac@vger.kernel.org>); Mon, 31 Jul 2023 03:12:19 -0400 Received: from mgamail.intel.com (unknown [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BDBD3C2F; Mon, 31 Jul 2023 00:10:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690787425; x=1722323425; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=g76n0qqOm69A/O2uudI0FugS1H+Frufn6xIPQbl7rb0=; b=jMH4gTLRnsxoiPbhogqlJMq1DJBR7igoG12cNvXjV7ZVulpLOKH0o1+W 1Xzl+n3dO50lcZjAbaKCufhe3xHOyPfIpwakzmf+/wwxaYku11GWzJ7yP SJSpyDJwIR9hbUD3oDFWhdN+SW9qxR2WeV/zcUbhXcbMcUyPRHZv7J+gf 17GTZWMZZfvSe/ETEbhTzDhQO/kHTUgDWLVF0yxJy3RJ4oFWFfl6lAxUI 9gke3crME7gla6vaOddT5JFkpM9TXaaLlvmqIfefe5J6kNHrY6D3GEBi/ DYvwMt8SHUWYHSEFXJnepjpPenMKrBPEaybm+8ug13xyjFAx2eFfSehyN A==; X-IronPort-AV: E=McAfee;i="6600,9927,10787"; a="432750225" X-IronPort-AV: E=Sophos;i="6.01,244,1684825200"; d="scan'208";a="432750225" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2023 00:10:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10787"; a="798157799" X-IronPort-AV: E=Sophos;i="6.01,244,1684825200"; d="scan'208";a="798157799" Received: from unknown (HELO fred..) ([172.25.112.68]) by fmsmga004.fm.intel.com with ESMTP; 31 Jul 2023 00:10:09 -0700 From: Xin Li <xin3.li@intel.com> To: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, linux-hyperv@vger.kernel.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org Cc: Jonathan Corbet <corbet@lwn.net>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org, "H . Peter Anvin" <hpa@zytor.com>, Andy Lutomirski <luto@kernel.org>, Oleg Nesterov <oleg@redhat.com>, Tony Luck <tony.luck@intel.com>, "K . Y . Srinivasan" <kys@microsoft.com>, Haiyang Zhang <haiyangz@microsoft.com>, Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>, Paolo Bonzini <pbonzini@redhat.com>, Wanpeng Li <wanpengli@tencent.com>, Vitaly Kuznetsov <vkuznets@redhat.com>, Sean Christopherson <seanjc@google.com>, Peter Zijlstra <peterz@infradead.org>, Juergen Gross <jgross@suse.com>, Stefano Stabellini <sstabellini@kernel.org>, Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>, Josh Poimboeuf <jpoimboe@kernel.org>, "Paul E . McKenney" <paulmck@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Randy Dunlap <rdunlap@infradead.org>, Steven Rostedt <rostedt@goodmis.org>, Kim Phillips <kim.phillips@amd.com>, Xin Li <xin3.li@intel.com>, Hyeonggon Yoo <42.hyeyoo@gmail.com>, "Liam R . Howlett" <Liam.Howlett@Oracle.com>, Sebastian Reichel <sebastian.reichel@collabora.com>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Suren Baghdasaryan <surenb@google.com>, Pawan Gupta <pawan.kumar.gupta@linux.intel.com>, Jiaxi Chen <jiaxi.chen@linux.intel.com>, Babu Moger <babu.moger@amd.com>, Jim Mattson <jmattson@google.com>, Sandipan Das <sandipan.das@amd.com>, Lai Jiangshan <jiangshanlai@gmail.com>, Hans de Goede <hdegoede@redhat.com>, Reinette Chatre <reinette.chatre@intel.com>, Daniel Sneddon <daniel.sneddon@linux.intel.com>, Breno Leitao <leitao@debian.org>, Nikunj A Dadhania <nikunj@amd.com>, Brian Gerst <brgerst@gmail.com>, Sami Tolvanen <samitolvanen@google.com>, Alexander Potapenko <glider@google.com>, Andrew Morton <akpm@linux-foundation.org>, Arnd Bergmann <arnd@arndb.de>, "Eric W . Biederman" <ebiederm@xmission.com>, Kees Cook <keescook@chromium.org>, Masami Hiramatsu <mhiramat@kernel.org>, Masahiro Yamada <masahiroy@kernel.org>, Ze Gao <zegao2021@gmail.com>, Fei Li <fei1.li@intel.com>, Conghui <conghui.chen@intel.com>, Ashok Raj <ashok.raj@intel.com>, "Jason A . Donenfeld" <Jason@zx2c4.com>, Mark Rutland <mark.rutland@arm.com>, Jacob Pan <jacob.jun.pan@linux.intel.com>, Jiapeng Chong <jiapeng.chong@linux.alibaba.com>, Jane Malalane <jane.malalane@citrix.com>, David Woodhouse <dwmw@amazon.co.uk>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Arnaldo Carvalho de Melo <acme@redhat.com>, Yantengsi <siyanteng@loongson.cn>, Christophe Leroy <christophe.leroy@csgroup.eu>, Sathvika Vasireddy <sv@linux.ibm.com> Subject: [PATCH v9 34/36] x86/syscall: Split IDT syscall setup code into idt_syscall_init() Date: Sun, 30 Jul 2023 23:41:31 -0700 Message-Id: <20230731064133.3881-5-xin3.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230731064133.3881-1-xin3.li@intel.com> References: <20230731064133.3881-1-xin3.li@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: <linux-edac.vger.kernel.org> X-Mailing-List: linux-edac@vger.kernel.org |
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x86: enable FRED for x86-64
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diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 331b06d19f7f..bb03dacc5fb8 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -2027,10 +2027,8 @@ static void wrmsrl_cstar(unsigned long val) wrmsrl(MSR_CSTAR, val); } -/* May not be marked __init: used by software suspend */ -void syscall_init(void) +static inline void idt_syscall_init(void) { - wrmsr(MSR_STAR, 0, (__USER32_CS << 16) | __KERNEL_CS); wrmsrl(MSR_LSTAR, (unsigned long)entry_SYSCALL_64); #ifdef CONFIG_IA32_EMULATION @@ -2064,6 +2062,15 @@ void syscall_init(void) X86_EFLAGS_AC|X86_EFLAGS_ID); } +/* May not be marked __init: used by software suspend */ +void syscall_init(void) +{ + /* The default user and kernel segments */ + wrmsr(MSR_STAR, 0, (__USER32_CS << 16) | __KERNEL_CS); + + idt_syscall_init(); +} + #else /* CONFIG_X86_64 */ #ifdef CONFIG_STACKPROTECTOR