Volodymyr Babchuk writes:
Oleksandr,
[...]
>> diff --git a/xen/drivers/passthrough/arm/ipmmu-vmsa.c
>> b/xen/drivers/passthrough/arm/ipmmu-vmsa.c
>> index c21d2d7..411fc0f 100644
>> --- a/xen/drivers/passthrough/arm/ipmmu-vmsa.c
>> +++ b/xen/drivers/passthrough/arm/ipmmu-vmsa.c
>> @@ -702,7 +702,12 @@ static int ipmmu_attach_device(struct
>> ipmmu_vmsa_domain *domain,
>> int ret = ipmmu_utlb_enable(domain, fwspec->ids[i]);
>>
>> if ( ret )
>> + {
>> + while ( i-- )
> You will call
>> + ipmmu_utlb_disable(domain, fwspec->ids[i]);
> for uTLB that caused the error. Likely, this uTLB right now is assigned
> for another domain. So, you will disable active uTLB which belongs to
> that domain.
Please disregard this. I realized that i-- will ensure that right index
will be used. Sorry for the noise.
--
Volodymyr Babchuk at EPAM
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