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Re: [PATCH] numa: hmat: require parent cache description before the next
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From: |
Eduardo Habkost |
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Subject: |
Re: [PATCH] numa: hmat: require parent cache description before the next level one |
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Date: |
Thu, 24 Sep 2020 12:50:40 -0400 |
On Thu, Sep 24, 2020 at 05:14:06AM -0400, Igor Mammedov wrote:
> Spec[1] defines 0 - 3 level memory side cache, however QEMU
> CLI allows to specify an intermediate cache level without
> specifying previous level. Such option(s) silently ignored
> when building HMAT table, which leads to incomplete cache
> information.
> Make sure that previous level exists and error out
> if it hasn't been provided.
>
> 1) ACPI 6.2A 5.2.27.5 Memory Side Cache Information Structure
>
> Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1842877
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Queueing on machine-next, thanks!
--
Eduardo