[Qemu-devel] Re: [RESEND][PATCH] x86: Enhanced dump of segment registers

[Jan Kiszka <jan.kiszka@siemens.com>]

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

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