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From: Keir Fraser <keir.fraser@eu.citrix.com>
To: Jan Beulich <JBeulich@novell.com>, Gang Wei <gang.wei@intel.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH]ACPI: workaround for S3 fail in two  facs tables case
Date: Thu, 25 Feb 2010 13:24:58 +0000	[thread overview]
Message-ID: <C7AC2AAA.B5E1%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <4B86866D020000780003147F@vpn.id2.novell.com>

On 25/02/2010 13:17, "Jan Beulich" <JBeulich@novell.com> wrote:

> /*
> * Check for FACS and DSDT address mismatches. An address mismatch between
> * the 32-bit and 64-bit address fields (FIRMWARE_CTRL/X_FIRMWARE_CTRL and
> * DSDT/X_DSDT) would indicate the presence of two FACS or two DSDT tables.
> */
> if (acpi_gbl_FADT.facs &&
>    (acpi_gbl_FADT.Xfacs != (u64) acpi_gbl_FADT.facs)) {
> ACPI_WARNING((AE_INFO,
>      "32/64X FACS address mismatch in FADT - "
>      "%8.8X/%8.8X%8.8X, using 32",
>      acpi_gbl_FADT.facs,
>      ACPI_FORMAT_UINT64(acpi_gbl_FADT.Xfacs)));
> 
> acpi_gbl_FADT.Xfacs = (u64) acpi_gbl_FADT.facs;
> }

Okay, well I guess that is basically what Gang Wei's patch implements,
although we don't print a warning and perhaps we should.

 -- Keir

  reply	other threads:[~2010-02-25 13:24 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-25  5:49 [PATCH]ACPI: workaround for S3 fail in two facs tables case Wei, Gang
2010-02-25  8:38 ` Jan Beulich
2010-02-25 10:39   ` Keir Fraser
2010-02-26  1:43   ` Wei, Gang
2010-02-25 11:58 ` Keir Fraser
2010-02-25 13:17   ` Jan Beulich
2010-02-25 13:24     ` Keir Fraser [this message]
2010-02-25 20:57 ` Keir Fraser
2010-02-26  1:24   ` Wei, Gang

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