linux-kernel - Re: [PATCH 2/3] x86, fpu: enable eagerfpu by default for xsaveopt

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Message-ID: <504A403F.10501@zytor.com>
Date:	Fri, 07 Sep 2012 11:43:11 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
CC:	mingo@...nel.org, torvalds@...ux-foundation.org,
	andreas.herrmann3@....com, bp@...64.org, robert.richter@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] x86, fpu: enable eagerfpu by default for xsaveopt

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.

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