Re: [RFC PATCH 0/5] running kernel mode SIMD with softirqs disabled

2021-02-16 Thread Ard Biesheuvel
On Tue, 16 Feb 2021 at 11:10, Peter Zijlstra wrote: > > On Fri, Dec 18, 2020 at 06:01:01PM +0100, Ard Biesheuvel wrote: > > [ TL;DR for the non-ARM folks on CC: disabling softirq processing when using > > SIMD in kernel mode could reduce complexity and improve performance, but > > we > > need

Re: [RFC PATCH 0/5] running kernel mode SIMD with softirqs disabled

2021-02-16 Thread Peter Zijlstra
On Fri, Dec 18, 2020 at 06:01:01PM +0100, Ard Biesheuvel wrote: > [ TL;DR for the non-ARM folks on CC: disabling softirq processing when using > SIMD in kernel mode could reduce complexity and improve performance, but we > need to decide whether we can do this, and how much softirq processing >