Re: [PATCH 2/2] x86/fpu: split old & new fpu handling into separate functions

2016-10-14 Thread Dave Hansen
On 10/14/2016 05:15 AM, r...@redhat.com wrote: > From: Rik van Riel > > By moving all of the new fpu state handling into switch_fpu_finish, > the code can be simplified some more. This does get rid of the > prefetch, but given the size of the fpu register state on modern > CPUs, and the amount of

[PATCH 2/2] x86/fpu: split old & new fpu handling into separate functions

2016-10-14 Thread riel
From: Rik van Riel By moving all of the new fpu state handling into switch_fpu_finish, the code can be simplified some more. This does get rid of the prefetch, but given the size of the fpu register state on modern CPUs, and the amount of work done by __switch_to in-between both functions, the va