Re: [PATCH][2.6] Allow x86_64 to reenable interrupts on contention

Andi Kleen
2004-07-27T11:26:42Z

On Tue, 27 Jul 2004 05:29:10 -0400 (EDT)
Zwane Mwaikambo <zwane@linuxpower.ca> wrote:

> This is a follow up to the previous patches for ia64 and i386, it will
> allow x86_64 to reenable interrupts during contested locks depending on
> previous interrupt enable status. It has been runtime and compile tested
> on UP and 2x SMP Linux-tiny/x86_64.

This will likely increase code size. Do you have numbers by how much? And is it
really worth it?

-Andi