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Re: [PATCH v2 2/4] x86/shadow: Introduce sh_trace_gl1e_va()
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Date: Wed, 22 May 2024 15:19:50 +0100
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- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 22 May 2024 14:20:04 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 22/05/2024 2:47 pm, Jan Beulich wrote:
> On 22.05.2024 15:17, Andrew Cooper wrote:
>> trace_shadow_fixup() and trace_not_shadow_fault() both write out identical
>> trace records. Reimplement them in terms of a common sh_trace_gl1e_va().
>>
>> There's no need to pack the trace record, even in the case of PAE paging.
> Isn't this altering the generated trace record for the 4-level case, in
> size changing from 20 to 24 bytes?
Oh, eww. Yes it does.
I'll need to rework with __packed still in place.
~Andrew
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