Re: [PATCH intel_iommu 3/7] intel_iommu: make types match

[CLEMENT MATHIEU--DRIF]

On 23/04/2024 10:19, Philippe Mathieu-Daudé wrote:
>
> On 23/4/24 07:05, CLEMENT MATHIEU--DRIF wrote:
>>
>> On 22/04/2024 19:03, Philippe Mathieu-Daudé wrote:
>>> On 22/4/24 17:52, CLEMENT MATHIEU--DRIF wrote:
>>>> The 'level' field in vtd_iotlb_key is an uint8_t.
>>>> We don't need to store level as an int in vtd_lookup_iotlb
>>>>
>>>> Signed-off-by: Clément Mathieu--Drif 
>>>> <clement.mathieu--drif@eviden.com>
>>>> ---
>>>>    hw/i386/intel_iommu.c | 2 +-
>>>>    1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
>>>> index 6f1364b3fd..ba545590b1 100644
>>>> --- a/hw/i386/intel_iommu.c
>>>> +++ b/hw/i386/intel_iommu.c
>>>> @@ -333,7 +333,7 @@ static VTDIOTLBEntry
>>>> *vtd_lookup_iotlb(IntelIOMMUState *s, uint16_t source_id,
>>>>    {
>>>>        struct vtd_iotlb_key key;
>>>>        VTDIOTLBEntry *entry;
>>>> -    int level;
>>>> +    uint8_t level;
>>>
>>> Or simply 'unsigned' up to vtd_slpt_level_shift()?
>> vtd_iotlb_key.level is an uint8_t, just avoiding a warning here
>
> What warning?
A linter warning, but it's not a big deal in our case because we know 
the value is lower than 5