Messages in this thread | | | From | Andy Lutomirski <> | Date | Sun, 19 Jun 2016 14:22:42 -0700 | Subject | Re: [PATCH v2 4/6] x86: Rewrite switch_to() code |
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On Sat, Jun 18, 2016 at 1:56 PM, Brian Gerst <brgerst@gmail.com> wrote: > Move the low-level context switch code to an out-of-line asm stub instead of > using complex inline asm. This allows constructing a new stack frame for the > child process to make it seamlessly flow to ret_from_fork without an extra > test and branch in __switch_to(). It also improves code generation for > __schedule() by using the C calling convention instead of clobbering all > registers.
This is great. The conflict with my stack code is minimal enough that I won't bother rebasing unless someone specifically wants me to.
Acked-by: Andy Lutomirski <luto@kernel.org>
--Andy
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