From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ingo Molnar <mingo@kernel.org>
Subject: [kbuild ack?] Re: [PATCH v6 0/9] x86: macrofying inline asm for
	better compilation
Date: Sun, 15 Jul 2018 23:54:52 +0200
Message-ID: <20180715215452.GA14040@gmail.com>
References: <20180622172212.199633-1-namit@vmware.com>
	<BA4C0931-A51D-41AE-B918-C37EFFF35840@vmware.com>
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To: Nadav Amit <namit@vmware.com>
Cc: Juergen Gross <jgross@suse.com>, Kate Stewart <kstewart@linuxfoundation.org>, Kees Cook <keescook@chromium.org>, Josh Poimboeuf <jpoimboe@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Christopher Li <sparse@chrisli.org>, X86 ML <x86@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Philippe Ombredanne <pombredanne@nexb.com>, "virtualization@lists.linux-foundation.org" <virtualization@lists.linux-foundation.org>, Masahiro Yamada <yamada.masahiro@socionext.com>, "linux-sparse@vger.kernel.org" <linux-sparse@vger.kernel.org>, Ingo Molnar <mingo@redhat.com>, Jan Beulich <JBeulich@suse.com>, "H. Peter Anvin" <hpa@zytor.com>, Linus Torvalds <torvalds@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Sam Ravnborg <sam@ravnborg.org>, Alok Kataria <akataria@vmware.com>
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* 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