>>> On 19.10.17 at 18:07, <roger....@citrix.com> wrote:
> On Thu, Sep 21, 2017 at 11:02:06PM -0400, Lan Tianyu wrote:
>> diff --git a/xen/drivers/passthrough/io.c b/xen/drivers/passthrough/io.c
>> index 6196334..349a8cf 100644
>> --- a/xen/drivers/passthrough/io.c
>> +++ b/xen/drivers/passthrough/io.c
>> @@ -942,21 +942,20 @@ static void __msi_pirq_eoi(struct hvm_pirq_dpci
>> *pirq_dpci)
>> static int _hvm_dpci_msi_eoi(struct domain *d,
>> struct hvm_pirq_dpci *pirq_dpci, void *arg)
>> {
>> - int vector = (long)arg;
>> + uint8_t vector, dlm, vector_target = (long)arg;
>
> Since you are changing this, please cast to (uint8_t) instead.
That would cause a compiler warning - long (or unsigned long) is
the right type to use (on Xen and Linux at least) when wanting to
convert a pointer to an integer.
Jan
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