Re: [PATCH v2 0/3] x86_64,entry: Rearrange the syscall exit optimizations

On Sat, Jan 17, 2015 at 1:19 PM, Andy Lutomirski wrote: > Linus, I suspect you'll either like or hate this series. Or maybe > you'll think it's crazy but you'll like it anyway. I'm curious > which of those is the case. :) I have no hugely strong reaction to the patches, but it seems to be a goo

[PATCH v2 0/3] x86_64,entry: Rearrange the syscall exit optimizations

Linus, I suspect you'll either like or hate this series. Or maybe you'll think it's crazy but you'll like it anyway. I'm curious which of those is the case. :) The syscall exit asm is a big mess. There's a really fast path, some kind of fast path code (with a hard-coded optimization for audit),