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@amacapital.net>,
Balbir Singh <bsingharora@gmail.com>,
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>
Subject: [RFC PATCH v6 10/11] x86/vsyscall/64: Add ENDBR64 to vsyscall entry points
Date: Mon, 19 Nov 2018 13:49:33 -0800 [thread overview]
Message-ID: <20181119214934.6174-11-yu-cheng.yu@intel.com> (raw)
In-Reply-To: <20181119214934.6174-1-yu-cheng.yu@intel.com>
From: "H.J. Lu" <hjl.tools@gmail.com>
Add ENDBR64 to vsyscall entry points.
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
---
arch/x86/entry/vsyscall/vsyscall_emu_64.S | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/x86/entry/vsyscall/vsyscall_emu_64.S b/arch/x86/entry/vsyscall/vsyscall_emu_64.S
index c9596a9af159..08554445bef1 100644
--- a/arch/x86/entry/vsyscall/vsyscall_emu_64.S
+++ b/arch/x86/entry/vsyscall/vsyscall_emu_64.S
@@ -18,16 +18,25 @@ __PAGE_ALIGNED_DATA
.type __vsyscall_page, @object
__vsyscall_page:
+#ifdef CONFIG_X86_INTEL_BRANCH_TRACKING_USER
+ endbr64
+#endif
mov $__NR_gettimeofday, %rax
syscall
ret
.balign 1024, 0xcc
+#ifdef CONFIG_X86_INTEL_BRANCH_TRACKING_USER
+ endbr64
+#endif
mov $__NR_time, %rax
syscall
ret
.balign 1024, 0xcc
+#ifdef CONFIG_X86_INTEL_BRANCH_TRACKING_USER
+ endbr64
+#endif
mov $__NR_getcpu, %rax
syscall
ret
--
2.17.1
next prev parent reply other threads:[~2018-11-19 21:55 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-19 21:49 [RFC PATCH v6 00/11] Control-flow Enforcement: Branch Tracking, PTRACE Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 01/11] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 02/11] x86/cet/ibt: User-mode indirect branch tracking support Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 03/11] x86/cet/ibt: Add IBT legacy code bitmap setup function Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 04/11] mm/mmap: Add IBT bitmap size to address space limit check Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 05/11] x86/cet/ibt: ELF header parsing for IBT Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 06/11] x86/cet/ibt: Add arch_prctl functions " Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 07/11] x86/cet/ibt: Add ENDBR to op-code-map Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 08/11] x86: Insert endbr32/endbr64 to vDSO Yu-cheng Yu
2018-11-19 22:17 ` Andy Lutomirski
2018-11-19 22:43 ` Yu-cheng Yu
2018-11-19 21:49 ` [RFC PATCH v6 09/11] x86/vsyscall/32: Add ENDBR32 to vsyscall entry point Yu-cheng Yu
2018-11-19 22:23 ` Andy Lutomirski
2018-11-19 22:40 ` Yu-cheng Yu
2018-11-19 21:49 ` Yu-cheng Yu [this message]
2018-11-19 22:22 ` [RFC PATCH v6 10/11] x86/vsyscall/64: Add ENDBR64 to vsyscall entry points Andy Lutomirski
2018-11-19 21:49 ` [RFC PATCH v6 11/11] x86/cet: Add PTRACE interface for CET Yu-cheng Yu
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