On Sat, Aug 13, 2016 at 9:38 AM, Brian Gerst <brge...@gmail.com> wrote: > This patch set simplifies the switch_to() code, by moving the stack switch > code out of line into an asm stub before calling __switch_to(). This ends > up being more readable, and using the C calling convention instead of > clobbering all registers improves code generation. It also allows newly > forked processes to construct a special stack frame to seamlessly flow > to ret_from_fork, instead of using a test and branch, or an unbalanced > call/ret.
Do you have performance numbers? Is it noticeable/measurable? Linus