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Re: [Xen-devel] [PATCH 2/2] x86/dmar: zap DMAR signature for dom0 once in TBOOT case



>>> On 20.08.18 at 10:40, <zhenzhong.duan@xxxxxxxxxx> wrote:
> On 2018/8/20 16:30, Jan Beulich wrote:
>>>>> On 20.08.18 at 05:32, <zhenzhong.duan@xxxxxxxxxx> wrote:
>>> When TBOOT enabled, acpi_parse_dmar() zap a copy of DMAR table rather
>>> than the real table, so make it controled by config option based on the
>>> fact that we already have done the real zapping in tboot_parse_dmar_table().
>> 
>> Is this just a cosmetic change, or is there any harm done by the extra
>> zapping?
> Cosmetic change, I feel it isn't necessory to zap a copy of DMAR table 
> which is freed later.

In which case please clarify this in the description.

Jan



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