Re: [Xen-devel] [PATCH v6 02/16] x86/hvm: remove multiple open coded 'chunking' loops

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 03/07/15 17:25, Paul Durrant wrote:
> ...in hvmemul_read/write()
>
> Add hvmemul_phys_mmio_access() and hvmemul_linear_mmio_access() functions
> to reduce code duplication.
>
> NOTE: This patch also introduces a change in 'chunking' around a page
>       boundary. Previously (for example) an 8 byte access at the last
>       byte of a page would get carried out as 8 single-byte accesses.
>       It will now be carried out as a single-byte access, followed by
>       a 4-byte access, a 2-byte access and then another single-byte
>       access.
>
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> Cc: Keir Fraser <keir@xxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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