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Re: [Xen-devel] [PATCH v3] x86/vm_event: add gdtr_base to the vm_event structure

On 5/3/19 11:09 AM, Jan Beulich wrote:
On 03.05.19 at 00:54, <tamas@xxxxxxxxxxxxx> wrote:
Receiving this register is useful for introspecting 32-bit Windows when the
event being trapped happened while in ring3.

Signed-off-by: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
Cc: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
Cc: Tamas K Lengyel <tamas@xxxxxxxxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
Cc: Roger Pau Monne <roger.pau@xxxxxxxxxx>
v2: add gdtr limit
v3: use uint32_t to fit the 20 bits

As per Andrew's response I think v2 is it.

Yes, please. This will also allow us to reuse the existing (remaining) pad bits in the future for another limit (for idtr, perhaps).


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