| Message ID | 20181011151654.27221-10-yu-cheng.yu@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
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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>,
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"Ravi V. Shankar" <ravi.v.shankar@intel.com>,
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Subject: [PATCH v5 09/11] x86/vsyscall/32: Add ENDBR32 to vsyscall entry point
Date: Thu, 11 Oct 2018 08:16:52 -0700
Message-Id: <20181011151654.27221-10-yu-cheng.yu@intel.com>
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|
| Series |
Control Flow Enforcement: Branch Tracking, PTRACE
|
expand
|
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.