[dpdk-dev] [PATCH v6 2/2] bus/pci: support MMIO in PCI ioport accessors

[David Marchand]

On Wed, Feb 17, 2021 at 3:15 PM 谢华伟(此时此刻） <huawei.xhw at alibaba-inc.com> wrote:
>
>
> 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 at 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.

Ok, thanks for confirming.

> >
> > 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.

Just to be clear.
This series can't be merged as it breaks non-x86 architectures.


-- 
David Marchand