| Date | Wed, 1 Apr 2015 10:51:40 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH 2/9] x86/asm/entry/32: Use PUSH instructions to build pt_regs on stack |
| |
* Denys Vlasenko <dvlasenk@redhat.com> wrote:
> This mimics the recent similar 64-bit change. > Saves ~110 bytes of code. > > Patch was run-tested on 32 and 64 bits, Intel and AMD CPU. > I also looked at the diff of entry_64.o disassembly, to have > a different view of the changes.
The other important question would be: what performance difference (if any) did you observe before/after the change?
Thanks,
Ingo
|