linux-kernel - Re: irq_fpu_usable() is irreliable

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Message-ID: <CAHmME9p8No+u6CzpT9i8KbsVKQq12idtJGEOap2wJxtHte6y7g@mail.gmail.com>
Date:	Tue, 17 Nov 2015 20:54:59 +0100
From:	"Jason A. Donenfeld" <Jason@...c4.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	mingo@...hat.com, hpa@...or.com,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: irq_fpu_usable() is irreliable

Trying to get to the bottom of this still...

Is interrupted_kernel_fpu_idle() in any way dependent on what
userspace is doing? Or is it entirely related to other happenings
inside the kernel?
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