linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Borislav Petkov <bp@alien8.de>
To: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: x86-ml <x86@kernel.org>, Andy Lutomirski <luto@kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	lkml <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] Improve memset
Date: Thu, 19 Sep 2019 14:49:11 +0200	[thread overview]
Message-ID: <20190919124911.GA18148@nazgul.tnic> (raw)
In-Reply-To: <20190917201021.evoxxj7vkcb45rpg@treble>

On Tue, Sep 17, 2019 at 03:10:21PM -0500, Josh Poimboeuf wrote:
> Then the "reverse alternatives" feature wouldn't be needed anyway.

The intent was to have the default, most-used version be there at
build-time, obviating the need to patch. Therefore on those old !ERMS
CPUs we'll end up doing rep;stosb before patching, which is supported,
albeit slow.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

  parent reply	other threads:[~2019-09-19 12:49 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-13  7:22 [RFC] Improve memset Borislav Petkov
2019-09-13  7:35 ` Ingo Molnar
2019-09-13  7:50   ` Borislav Petkov
2019-09-13  8:51 ` Rasmus Villemoes
2019-09-13  9:00 ` Linus Torvalds
2019-09-13  9:18   ` Rasmus Villemoes
2019-09-13 10:42     ` Borislav Petkov
2019-09-13 16:36       ` Borislav Petkov
2019-09-16  9:18         ` Rasmus Villemoes
2019-09-16 17:25           ` Linus Torvalds
2019-09-16 17:40             ` Andy Lutomirski
2019-09-16 21:29               ` Linus Torvalds
2019-09-16 23:13                 ` Andy Lutomirski
2019-09-16 23:26                   ` Linus Torvalds
2019-09-17  8:15             ` Borislav Petkov
2019-09-17 10:55             ` David Laight
2019-09-17 20:10 ` Josh Poimboeuf
2019-09-17 20:45   ` Linus Torvalds
2019-09-19 12:55     ` Borislav Petkov
2019-09-19 12:49   ` Borislav Petkov [this message]
2019-09-14  9:29 Alexey Dobriyan
2019-09-14 11:39 ` Borislav Petkov

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190919124911.GA18148@nazgul.tnic \
    --to=bp@alien8.de \
    --cc=jpoimboe@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=luto@kernel.org \
    --cc=torvalds@linux-foundation.org \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).