Re: [PATCH] MIPS: KVM: do not sign extend on unsigned MMIO load

From: Jiri Slaby
Date: Wed Jun 10 2015 - 08:57:15 EST


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On 06/08/2015, 10:33 AM, James Hogan wrote:
> Hi stable folk,
>
> On 08/05/15 15:16, James Hogan wrote:
>> On 07/05/15 13:47, Nicholas Mc Guire wrote:
>>> Fix possible unintended sign extension in unsigned MMIO loads
>>> by casting to uint16_t in the case of mmio_needed != 2.
>>>
>>> Signed-off-by: Nicholas Mc Guire <hofrat@xxxxxxxxx>
>>
>> Looks good to me. I wrote an MMIO test to reproduce the issue,
>> and this fixes it.
>>
>> Reviewed-by: James Hogan <james.hogan@xxxxxxxxxx> Tested-by:
>> James Hogan <james.hogan@xxxxxxxxxx>
>>
>> It looks suitable for stable too (3.10+).
>
> This has reached mainline, commit
> ed9244e6c534612d2b5ae47feab2f55a0d4b4ced
>
> Please could it be added to stable (3.10+).

Applied to 3.12. Thanks.

- --
js
suse labs
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