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[Qemu-devel] Re: [RESEND][PATCH] x86: Enhanced dump of segment registers
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] Re: [RESEND][PATCH] x86: Enhanced dump of segment registers |
Date: |
Wed, 11 Mar 2009 17:31:28 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Jamie Lokier wrote:
> Jan Kiszka wrote:
>> FS =0000 00000000 00000000 00000000
>
>> LDT=0000 00000000 00000000 00008200 DPL=0 LDT
>
> Both are =0000, but different descriptors - is that right?
Good question. My patch only parses to descriptor cache content without
evaluating the selector. I guess that 0x00008200 is a leftover from a
previous, valid LDT descriptor.
>
> Also I'm thinking the null descriptor doesn't need to show offset and
> size:
>
> FS =0000
>
> is enough?
Yes, makes sense. IOW: stop parsing if selector == 0. Will post an update.
Thanks,
Jan
--
Siemens AG, Corporate Technology, CT SE 2
Corporate Competence Center Embedded Linux
[Qemu-devel] [PATCH v2] x86: Enhanced dump of segment registers, Jan Kiszka, 2009/03/11