| Message ID | 20201110162448.9846-7-yu-cheng.yu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
Return-Path: <SRS0=ew8G=EQ=kvack.org=owner-linux-mm@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 64FCD697 for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 10 Nov 2020 16:25:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 21D5F21D46 for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 10 Nov 2020 16:25:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 21D5F21D46 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 820426B0068; Tue, 10 Nov 2020 11:25:07 -0500 (EST) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 7D0376B0070; Tue, 10 Nov 2020 11:25:07 -0500 (EST) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 675446B0071; Tue, 10 Nov 2020 11:25:07 -0500 (EST) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0024.hostedemail.com [216.40.44.24]) by kanga.kvack.org (Postfix) with ESMTP id 20CB76B0068 for <linux-mm@kvack.org>; Tue, 10 Nov 2020 11:25:07 -0500 (EST) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id BB3E0181AEF10 for <linux-mm@kvack.org>; Tue, 10 Nov 2020 16:25:06 +0000 (UTC) X-FDA: 77469033012.01.spark36_4403a72272f6 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin01.hostedemail.com (Postfix) with ESMTP id 93BC8100480CC for <linux-mm@kvack.org>; Tue, 10 Nov 2020 16:25:06 +0000 (UTC) X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,yu-cheng.yu@intel.com,,RULES_HIT:30045:30054:30056:30064,0,RBL:192.55.52.88:@intel.com:.lbl8.mailshell.net-62.18.0.100 64.95.201.95;04yru1pkhsqhjyimxb3r589ydm5eeoceeehbf857bxgqh6nrydsuifgjs1ujiy7.kjssa35bpatopyb5jkrcqwpobqkswh11mxnnpp7n49ahmrxicauk6qxqyedbxwp.a-lbl8.mailshell.net-223.238.255.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:ft,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:1078,LUA_SUMMARY:none X-HE-Tag: spark36_4403a72272f6 X-Filterd-Recvd-Size: 3460 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by imf50.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Tue, 10 Nov 2020 16:25:04 +0000 (UTC) IronPort-SDR: zyyv0CBfFRT4k5kwf25EHfyjRFV68KHhvT3+tyCH2Yo/0EAojXQJyvfbl8Yz0Nr0XLX1wiw1bW 3tPllZxw9VZQ== X-IronPort-AV: E=McAfee;i="6000,8403,9801"; a="187969165" X-IronPort-AV: E=Sophos;i="5.77,466,1596524400"; d="scan'208";a="187969165" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2020 08:25:03 -0800 IronPort-SDR: 8zvR07KY4qI+v54zCmZsYf5kkgwlxkrcRmq3o+tADbDmaDcEq5ezI35ViSIKJ7YdCJsCsu02C8 shTw2ateLELg== X-IronPort-AV: E=Sophos;i="5.77,466,1596524400"; d="scan'208";a="308469054" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2020 08:25:03 -0800 From: Yu-cheng Yu <yu-cheng.yu@intel.com> To: x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-api@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>, Andy Lutomirski <luto@kernel.org>, Balbir Singh <bsingharora@gmail.com>, Borislav Petkov <bp@alien8.de>, Cyrill Gorcunov <gorcunov@gmail.com>, Dave Hansen <dave.hansen@linux.intel.com>, Eugene Syromiatnikov <esyr@redhat.com>, Florian Weimer <fweimer@redhat.com>, "H.J. Lu" <hjl.tools@gmail.com>, Jann Horn <jannh@google.com>, Jonathan Corbet <corbet@lwn.net>, Kees Cook <keescook@chromium.org>, Mike Kravetz <mike.kravetz@oracle.com>, Nadav Amit <nadav.amit@gmail.com>, Oleg Nesterov <oleg@redhat.com>, Pavel Machek <pavel@ucw.cz>, Peter Zijlstra <peterz@infradead.org>, Randy Dunlap <rdunlap@infradead.org>, "Ravi V. Shankar" <ravi.v.shankar@intel.com>, Vedvyas Shanbhogue <vedvyas.shanbhogue@intel.com>, Dave Martin <Dave.Martin@arm.com>, Weijiang Yang <weijiang.yang@intel.com>, Pengfei Xu <pengfei.xu@intel.com> Cc: Yu-cheng Yu <yu-cheng.yu@intel.com> Subject: [PATCH v15 6/7] x86/vdso/32: Add ENDBR32 to __kernel_vsyscall entry point Date: Tue, 10 Nov 2020 08:24:47 -0800 Message-Id: <20201110162448.9846-7-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20201110162448.9846-1-yu-cheng.yu@intel.com> References: <20201110162448.9846-1-yu-cheng.yu@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
| Series |
Control-flow Enforcement: Indirect Branch Tracking
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expand
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diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S index de1fff7188aa..e331fcdebd95 100644 --- a/arch/x86/entry/vdso/vdso32/system_call.S +++ b/arch/x86/entry/vdso/vdso32/system_call.S @@ -14,6 +14,9 @@ ALIGN __kernel_vsyscall: CFI_STARTPROC +#ifdef CONFIG_X86_BRANCH_TRACKING_USER + endbr32 +#endif /* * Reshuffle regs so that all of any of the entry instructions * will preserve enough state.