From: Ingo Molnar <mingo@kernel.org>
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>
Subject: [kbuild ack?] Re: [PATCH v6 0/9] x86: macrofying inline asm for better compilation
Date: Sun, 15 Jul 2018 23:54:52 +0200 [thread overview]
Message-ID: <20180715215452.GA14040@gmail.com> (raw)
In-Reply-To: <BA4C0931-A51D-41AE-B918-C37EFFF35840@vmware.com>
* 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
next prev parent reply other threads:[~2018-07-15 21:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-22 17:22 [PATCH v6 0/9] x86: macrofying inline asm for better compilation Nadav Amit
2018-06-22 17:22 ` [PATCH v6 2/9] x86: objtool: use asm macro for better compiler decisions Nadav Amit
2018-07-11 1:59 ` [PATCH v6 0/9] x86: macrofying inline asm for better compilation Nadav Amit
2018-07-15 21:54 ` Ingo Molnar [this message]
2018-07-18 1:47 ` [kbuild ack?] " Masahiro Yamada
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