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Re: [PATCH v7 03/11] libx86: introduce helper to fetch msr entry
- To: Roger Pau Monne <roger.pau@xxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Tue, 25 Jan 2022 16:04:36 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Tue, 25 Jan 2022 15:04:43 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 25.01.2022 15:49, Roger Pau Monne wrote:
> Use such helper in order to replace the code in
> x86_msr_copy_from_buffer. Note the introduced helper should not be
> directly called and instead x86_msr_get_entry should be used that will
> properly deal with const and non-const inputs.
>
> Note this requires making the raw fields uint64_t so that it can
> accommodate the maximum size of MSRs values, and in turn removing the
> truncation tests.
>
> Suggested-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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