Messages in this thread | | | Subject | Re: [PATCH v13 7/8] x86/vdso: Insert endbr32/endbr64 to vDSO | From | "Yu, Yu-cheng" <> | Date | Fri, 25 Sep 2020 09:24:02 -0700 |
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On 9/25/2020 9:18 AM, Andy Lutomirski wrote: > On Fri, Sep 25, 2020 at 7:58 AM Yu-cheng Yu <yu-cheng.yu@intel.com> wrote: >> >> From: "H.J. Lu" <hjl.tools@gmail.com> >> >> When Indirect Branch Tracking (IBT) is enabled, vDSO functions may be >> called indirectly, and must have ENDBR32 or ENDBR64 as the first >> instruction. The compiler must support -fcf-protection=branch so that it >> can be used to compile vDSO. > > Acked-by: Andy Lutomirski <luto@kernel.org> >
Thanks!
Yu-cheng
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