From: "H. Peter Anvin" <hpa@zytor.com>
To: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: mingo@kernel.org, torvalds@linux-foundation.org,
andreas.herrmann3@amd.com, bp@amd64.org, robert.richter@amd.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] x86, fpu: enable eagerfpu by default for xsaveopt
Date: Fri, 07 Sep 2012 11:43:11 -0700 [thread overview]
Message-ID: <504A403F.10501@zytor.com> (raw)
In-Reply-To: <1347042703-11128-2-git-send-email-suresh.b.siddha@intel.com>
On 09/07/2012 11:31 AM, Suresh Siddha wrote:
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 6273099..b21bcbd 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -1835,7 +1835,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> enabling legacy floating-point and sse state.
>
> eagerfpu= [X86]
> - on enable eager fpu restore
> + on enable eager fpu restore (default for xsaveopt)
> off disable eager fpu restore
>
Should we make this a tristate (on, off, default/auto)?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2012-09-07 18:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-07 18:31 [PATCH 1/3] x86, fpu: decouple non-lazy/eager fpu restore from xsave Suresh Siddha
2012-09-07 18:31 ` [PATCH 2/3] x86, fpu: enable eagerfpu by default for xsaveopt Suresh Siddha
2012-09-07 18:43 ` H. Peter Anvin [this message]
2012-09-07 19:20 ` Suresh Siddha
2012-09-07 18:31 ` [PATCH 3/3] x86, fpu: move check_fpu() after alternative_instructions() Suresh Siddha
2012-09-07 18:47 ` [PATCH 1/3] x86, fpu: decouple non-lazy/eager fpu restore from xsave H. Peter Anvin
2012-09-07 19:12 ` Suresh Siddha
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=504A403F.10501@zytor.com \
--to=hpa@zytor.com \
--cc=andreas.herrmann3@amd.com \
--cc=bp@amd64.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=robert.richter@amd.com \
--cc=suresh.b.siddha@intel.com \
--cc=torvalds@linux-foundation.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).