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Re: [Qemu-devel] [PATCH v3] bios-tables-test: handle false-positive smbi
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From: |
Gerd Hoffmann |
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Subject: |
Re: [Qemu-devel] [PATCH v3] bios-tables-test: handle false-positive smbios signature matches |
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Date: |
Fri, 29 May 2015 14:42:42 +0200 |
On Mo, 2015-05-18 at 08:47 -0400, Gabriel L. Somlo wrote:
> It has been reported that sometimes the .rodata section of SeaBIOS,
> containing the constant string against which the SMBIOS signature
> ends up being compared, also falls within the guest f-segment. In
> that case, the test obviously fails, unless we continue searching
> for the *real* SMBIOS entry point.
>
> Rather than stopping at the first match for the SMBIOS signature
> ("_SM_") in the f-segment (0xF0000-0xFFFFF), continue scanning
> until either a valid entry point table is found, or the f-segment
> has been exhausted.
added to fw_cfg queue too.
cheers,
Gerd