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To: David Marchand <david.marchand@redhat.com>
Cc: "Yigit, Ferruh" <ferruh.yigit@intel.com>,
 Maxime Coquelin <maxime.coquelin@redhat.com>, dev <dev@dpdk.org>,
 "Burakov, Anatoly" <anatoly.burakov@intel.com>, xuemingl@nvidia.com,
 Gaetan Rivet <grive@u256.net>, "Xia, Chenbo" <chenbo.xia@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v6 2/2] bus/pci: support MMIO in PCI ioport
 accessors
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On 2021/2/17 17:06, David Marchand wrote:
> On Fri, Jan 29, 2021 at 4:19 AM 谢华伟(此时此刻） <huawei.xhw@alibaba-inc.com> wrote:
>> @@ -517,6 +525,60 @@
>>   }
>>   #endif
>>
>> +static inline uint8_t ioread8(void *addr)
>> +{
>> +       uint8_t val;
>> +
>> +       val = (uint64_t)(uintptr_t)addr >= PIO_MAX ?
>> +               *(volatile uint8_t *)addr :
>> +               inb((unsigned long)addr);
> inb/outb and others are architecture (x86?) specific.
Yes, only X86 has PIO.
>
> The CI caught this issue, see build failures on ARM64.
> https://lab.dpdk.org/results/dashboard/results/results-uploads/test_runs/82432e287bc94831b7a65d7cd6f05783/log_upload_file/2021/2/dpdk_b49c677a0d24_15433_2021-02-01_00-15-59_NA.zip
>
> I can see the same issue with ppc64le.
>
>
> --
> David Marchand