Re: [PATCH 0/8] FP/VEC/VSX switching optimisations

2015-11-18 Thread Cyril Bur
On Wed, 18 Nov 2015 14:51:25 + David Laight wrote: > From: Cyril Bur > > Sent: 18 November 2015 03:27 > ... > > The goal of these patches is to rework how the 'math' registers (FP, VEC > > and VSX) are context switched. Currently the kernel adopts a lazy approach, > > always switching users

RE: [PATCH 0/8] FP/VEC/VSX switching optimisations

2015-11-18 Thread David Laight
From: Cyril Bur > Sent: 18 November 2015 03:27 ... > The goal of these patches is to rework how the 'math' registers (FP, VEC > and VSX) are context switched. Currently the kernel adopts a lazy approach, > always switching userspace tasks with all three facilities disabled and > loads in each set o

[PATCH 0/8] FP/VEC/VSX switching optimisations

2015-11-17 Thread Cyril Bur
Hi, These patches are an extension of the work done by Anton https://patchwork.ozlabs.org/patch/537621/, they'll need to be applied on top of them. The goal of these patches is to rework how the 'math' registers (FP, VEC and VSX) are context switched. Currently the kernel adopts a lazy approach,