Messages in this thread | | | Date | Mon, 9 Mar 2015 19:06:47 +0100 | From | Oleg Nesterov <> | Subject | Re: [PATCH] x86/fpu: drop_fpu() should not assume that tsk == current |
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On 03/09, Borislav Petkov wrote: > > On Mon, Mar 09, 2015 at 06:10:41PM +0100, Oleg Nesterov wrote: > > drop_fpu() does clear_used_math() and usually this is correct because > > tsk == current. However switch_fpu_finish()->restore_fpu_checking() is > > called before it updates the "current_task" variable. If it fails, we > > You mean here "... before __switch_to() updates the current_task ... ", > I assume?
Yes... should I resend?
Oleg.
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