| Message ID | 20200825002645.3658-8-yu-cheng.yu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
Return-Path: <SRS0=AAJG=CD=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 73693739 for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 25 Aug 2020 00:30:56 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 427612065F for <patchwork-linux-mm@patchwork.kernel.org>; Tue, 25 Aug 2020 00:30:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 427612065F 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 CB904900016; Mon, 24 Aug 2020 20:30:39 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id C444B900010; Mon, 24 Aug 2020 20:30:39 -0400 (EDT) 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 A6CC8900018; Mon, 24 Aug 2020 20:30:39 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0084.hostedemail.com [216.40.44.84]) by kanga.kvack.org (Postfix) with ESMTP id 79A3D900016 for <linux-mm@kvack.org>; Mon, 24 Aug 2020 20:30:39 -0400 (EDT) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 4D229362B for <linux-mm@kvack.org>; Tue, 25 Aug 2020 00:30:39 +0000 (UTC) X-FDA: 77187210198.06.wish04_010731927057 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin06.hostedemail.com (Postfix) with ESMTP id 069B91004E3F0 for <linux-mm@kvack.org>; Tue, 25 Aug 2020 00:30:38 +0000 (UTC) X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,yu-cheng.yu@intel.com,,RULES_HIT:30045:30054:30056:30064,0,RBL:134.134.136.20:@intel.com:.lbl8.mailshell.net-62.50.0.100 64.95.201.95;04yg1qhzt9k51ngizn4k3ruwezrwjop74687jprzbxgqh6nrydsuifgjs1uethu.y91wnw5bpatopyb41418xnzh8x9n5cffcei48gw9tz1qm6jo3whe3x89wbrjqht.n-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:24,LUA_SUMMARY:none X-HE-Tag: wish04_010731927057 X-Filterd-Recvd-Size: 3430 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by imf26.hostedemail.com (Postfix) with ESMTP for <linux-mm@kvack.org>; Tue, 25 Aug 2020 00:30:38 +0000 (UTC) IronPort-SDR: EU9RgT1yrNX3/c5Ucp8isXvb2z7Bvtxay+ykuDG/q0JIrX4iOzgSKhattItY8coVH8OyDB0wC0 W/e3KsPwMMwQ== X-IronPort-AV: E=McAfee;i="6000,8403,9723"; a="143794761" X-IronPort-AV: E=Sophos;i="5.76,350,1592895600"; d="scan'208";a="143794761" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2020 17:30:37 -0700 IronPort-SDR: wh7Suymihw1wSYVbZJBKpl9o/wmOnOeXhZ1K8M/H+4znuZ/pgAXfw+FoXDL77NlUH2NWj143wt v0FHQnqFMhIw== X-IronPort-AV: E=Sophos;i="5.76,350,1592895600"; d="scan'208";a="443429331" Received: from yyu32-desk.sc.intel.com ([143.183.136.146]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Aug 2020 17:30:36 -0700 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> Cc: Yu-cheng Yu <yu-cheng.yu@intel.com> Subject: [PATCH v11 7/9] x86/vdso/32: Add ENDBR32 to __kernel_vsyscall entry point Date: Mon, 24 Aug 2020 17:26:42 -0700 Message-Id: <20200825002645.3658-8-yu-cheng.yu@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200825002645.3658-1-yu-cheng.yu@intel.com> References: <20200825002645.3658-1-yu-cheng.yu@intel.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: 069B91004E3F0 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 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, PTRACE
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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..5cf74ebd4746 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_INTEL_BRANCH_TRACKING_USER + endbr32 +#endif /* * Reshuffle regs so that all of any of the entry instructions * will preserve enough state.