Messages in this thread | | | Date | Mon, 2 May 2016 08:57:35 -0700 | From | Yu-cheng Yu <> | Subject | Re: [PATCH v4 04/10] x86/xsaves: Introduce a new check that allows correct xstates copy from kernel to user directly |
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On Fri, Apr 29, 2016 at 05:36:48PM -0700, Dave Hansen wrote: > If may_copy_fpregs_to_sigframe() were called from a slightly different > context, or if we change the call-site, what breaks? > > In other words. if we can still "may_copy_fpregs_to_sigframe()" no > matter the state of fpu.fpstate_active, then I don't think we should be > checking it in may_copy_fpregs_to_sigframe().
Do you mean, don't check fpu.fpstate_active here?
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