* [kbuild ack?] Re: [PATCH v6 0/9] x86: macrofying inline asm for better compilation
[not found] ` <BA4C0931-A51D-41AE-B918-C37EFFF35840@vmware.com>
@ 2018-07-15 21:54 ` Ingo Molnar
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From: Ingo Molnar @ 2018-07-15 21:54 UTC (permalink / raw)
To: Nadav Amit
Cc: Juergen Gross, Kate Stewart, Kees Cook, Josh Poimboeuf,
Peter Zijlstra, Greg Kroah-Hartman, Christopher Li, X86 ML,
Linux Kernel Mailing List, Philippe Ombredanne,
virtualization@lists.linux-foundation.org, Masahiro Yamada,
linux-sparse@vger.kernel.org, Ingo Molnar, Jan Beulich,
H. Peter Anvin, Linus Torvalds, Thomas Gleixner, Sam Ravnborg,
Alok Kataria
* Nadav Amit <namit@vmware.com> wrote:
> > I ran some limited number of benchmarks, and in general the performance
> > impact is not very notable. You can still see >10 cycles shaved off some
> > syscalls that manipulate page-tables (e.g., mprotect()), in which
> > paravirt caused many functions not to be inlined. In addition this
> > patch-set can prevent issues such as [1], and improves code readability
> > and maintainability.
Ok, that's good enough as a benefit, I suppose.
> > Nadav Amit (9):
> > Makefile: Prepare for using macros for inline asm
This non-trivial kbuild patch needs an Acked-by from Masahiro.
Thanks,
Ingo
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