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>, Pa Subject: [PATCH v5 09/11] x86/vsyscall/32: Add ENDBR32 to vsyscall entry point Date: Thu, 11 Oct 2018 08:16:52 -0700 [thread overview] Message-ID: <20181011151654.27221-10-yu-cheng.yu@intel.com> (raw) In-Reply-To: <20181011151654.27221-1-yu-cheng.yu@intel.com> From: "H.J. Lu" <hjl.tools@gmail.com> Add ENDBR32 to vsyscall entry point. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> --- arch/x86/entry/vdso/vdso32/system_call.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S index 263d7433dea8..2fc8141fff4e 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. -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
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: [PATCH v5 09/11] x86/vsyscall/32: Add ENDBR32 to vsyscall entry point Date: Thu, 11 Oct 2018 08:16:52 -0700 [thread overview] Message-ID: <20181011151654.27221-10-yu-cheng.yu@intel.com> (raw) Message-ID: <20181011151652.UoW-_g47bZSpnB3hUu72f6owdT7Pjlsm7k5H8apE2KA@z> (raw) In-Reply-To: <20181011151654.27221-1-yu-cheng.yu@intel.com> From: "H.J. Lu" <hjl.tools@gmail.com> Add ENDBR32 to vsyscall entry point. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> --- arch/x86/entry/vdso/vdso32/system_call.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/entry/vdso/vdso32/system_call.S b/arch/x86/entry/vdso/vdso32/system_call.S index 263d7433dea8..2fc8141fff4e 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. -- 2.17.1
next prev parent reply other threads:[~2018-10-11 15:16 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-10-11 15:16 [PATCH v5 00/11] Control Flow Enforcement: Branch Tracking, PTRACE Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 01/11] x86/cet/ibt: Add Kconfig option for user-mode Indirect Branch Tracking Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 02/11] x86/cet/ibt: User-mode indirect branch tracking support Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 03/11] x86/cet/ibt: Add IBT legacy code bitmap allocation function Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 04/11] mm/mmap: Add IBT bitmap size to address space limit check Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 05/11] x86/cet/ibt: ELF header parsing for IBT Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 06/11] x86/cet/ibt: Add arch_prctl functions " Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 07/11] x86/cet/ibt: Add ENDBR to op-code-map Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 08/11] x86: Insert endbr32/endbr64 to vDSO Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu [this message] 2018-10-11 15:16 ` [PATCH v5 09/11] x86/vsyscall/32: Add ENDBR32 to vsyscall entry point Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 10/11] x86/vsyscall/64: Add ENDBR64 to vsyscall entry points Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu 2018-10-11 15:16 ` [PATCH v5 11/11] x86/cet: Add PTRACE interface for CET Yu-cheng Yu 2018-10-11 15:16 ` Yu-cheng Yu
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20181011151654.27221-10-yu-cheng.yu@intel.com \ --to=yu-cheng.yu@intel.com \ --cc=arnd@arndb.de \ --cc=bsingharora@gmail.com \ --cc=corbet@lwn.net \ --cc=dave.hansen@linux.intel.com \ --cc=esyr@redhat.com \ --cc=fweimer@redhat.com \ --cc=gorcunov@gmail.com \ --cc=hjl.tools@gmail.com \ --cc=hpa@zytor.com \ --cc=jannh@google.com \ --cc=keescook@chromium.org \ --cc=linux-api@vger.kernel.org \ --cc=linux-arch@vger.kernel.org \ --cc=linux-doc@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=luto@amacapital.net \ --cc=mike.kravetz@oracle.com \ --cc=mingo@redhat.com \ --cc=nadav.amit@gmail.com \ --cc=oleg@redhat.com \ --cc=tglx@linutronix.de \ --cc=x86@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).