Re: [PATCH v2 4/4] xen/netback: fix grant copy across page boundary

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On 20/01/2020 08:58, Paul Durrant wrote:
> On Fri, 17 Jan 2020 at 12:59, Sergey Dyasli <sergey.dyasli@xxxxxxxxxx> wrote:
>>
>> From: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
>>
>> When KASAN (or SLUB_DEBUG) is turned on, there is a higher chance that
>> non-power-of-two allocations are not aligned to the next power of 2 of
>> the size. Therefore, handle grant copies that cross page boundaries.
>>
>> Signed-off-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
>> Signed-off-by: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
>> ---
>> v1 --> v2:
>> - Use sizeof_field(struct sk_buff, cb)) instead of magic number 48
>> - Slightly update commit message
>>
>> RFC --> v1:
>> - Added BUILD_BUG_ON to the netback patch
>> - xenvif_idx_release() now located outside the loop
>>
>> CC: Wei Liu <wei.liu@xxxxxxxxxx>
>> CC: Paul Durrant <paul@xxxxxxx>
>
> Acked-by: Paul Durrant <paul@xxxxxxx>

Thanks! I believe this patch can go in independently from the other
patches in the series. What else is required for this?

--
Sergey




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