Messages in this thread | | | Date | Mon, 23 Feb 2015 16:31:05 +0100 | From | Borislav Petkov <> | Subject | Re: [PATCH 3/3] x86, fpu: don't abuse FPU in kernel threads if use_eager_fpu() |
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On Mon, Jan 19, 2015 at 07:52:12PM +0100, Oleg Nesterov wrote: > Afaics there is no reason why kernel threads should have FPU context > even if use_eager_fpu() == T. Now that interrupted_kernel_fpu_idle() > does not check __thread_has_fpu() we can remove the init_fpu() code ^ ... in the use_eager_fpu() case...
I added it to the commit message.
> from eager_fpu_init() and change flush_thread() called by do_execve() > to initialize FPU. > > Note: of course, the change in flush_thread() is horrible and must be > cleanuped. We need the new helper, and flush_thread() should return the > error if init_fpu() fails. > > Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Applied, thanks.
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply. --
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