linux-kernel - Re: [PATCH 2/2] Suppress false "mtrr all empty" warning message when running as VMware guest

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Message-ID: <86802c440809240939h63b14efdm1382ffe4c44c6660@mail.gmail.com>
Date:	Wed, 24 Sep 2008 09:39:20 -0700
From:	"Yinghai Lu" <yinghai@...nel.org>
To:	"Yan Li" <elliot.li.tech@...il.com>
Cc:	linux-kernel@...r.kernel.org, "Ingo Molnar" <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>, joerg.roedel@....com,
	rjmaomao@...il.com, "Thomas Gleixner" <tglx@...utronix.de>,
	nancydreaming@...il.com
Subject: Re: [PATCH 2/2] Suppress false "mtrr all empty" warning message when running as VMware guest

On Wed, Sep 24, 2008 at 5:24 AM, Yan Li <elliot.li.tech@...il.com> wrote:
> Since the mtrr empty was detected very early before we can use DMI or
> PCI to check whether we are running as a VMware guest or not, we now
> only print an info there. Warning will only be issued later when we
> are sure that we are not running as a VMware guest.
>
> mtrr_trim_uncached_memory() is modified to return meaningful codes for
> later warning decision.

we have moved dmi_scan_machine() much early...

so please check with latest tip/master to use
dmi_check_system with that.

BTW:
those warning should be good, because VMware is the root cause.

YH
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