On Mon, Jun 22, 2015 at 6:26 PM, Alex Williamson <alex.william...@redhat.com> wrote: > On Mon, 2015-06-22 at 17:56 +0200, Eric Auger wrote: >> Hi Baptiste, >> >> No unfortunately I don't have any HW to test this currently. I just >> test-compiled this. Up to you to decide whether you prefer waiting for a >> functional test for this. I sent that patch since I expect ARM64 to be >> the main platform where the VFIO platform drivermight be used for >> virtualization use case.
On my side, VFIO has been tested on ARM64 using Fastmodels without problems, we can go ahead with the patch. > > FWIW, I've been occasionally removing the arch condition entirely to > build test on x86 as well. The Intel VT-d code certainly allows for > devices described by ACPI, which I assume would fall under the platform > category, but I don't know of any systems that do this, let alone any > x86 platform devices that we'd actually want to expose to the user. > Eventually we might want to consider decoupling this from an arch-based > Kconfig option, but we could just as easily let the first non-ARM user > think about that problem. Thanks, > > Alex > Indeed, I'd rather wait for someone to show up with some use cases and tests before removing this condition. Regards, Baptiste >> On 06/22/2015 05:49 PM, Baptiste Reynal wrote: >> > Acked-by: Baptiste Reynal <b.rey...@virtualopensystems.com> >> > Tested-by: Baptiste Reynal <b.rey...@virtualopensystems.com> >> > >> > Out of curiosity, have you get VFIO running on ARM64 without any problems ? >> > >> > On Mon, Jun 15, 2015 at 11:13 AM, Eric Auger <eric.au...@linaro.org> wrote: >> >> This patch enables building VFIO platform and derivatives on ARM64. >> >> >> >> Signed-off-by: Eric Auger <eric.au...@linaro.org> >> >> --- >> >> drivers/vfio/platform/Kconfig | 2 +- >> >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> >> >> diff --git a/drivers/vfio/platform/Kconfig b/drivers/vfio/platform/Kconfig >> >> index 1df7477..bb30128 100644 >> >> --- a/drivers/vfio/platform/Kconfig >> >> +++ b/drivers/vfio/platform/Kconfig >> >> @@ -1,6 +1,6 @@ >> >> config VFIO_PLATFORM >> >> tristate "VFIO support for platform devices" >> >> - depends on VFIO && EVENTFD && ARM >> >> + depends on VFIO && EVENTFD && (ARM || ARM64) >> >> select VFIO_VIRQFD >> >> help >> >> Support for platform devices with VFIO. This is required to make >> >> -- >> >> 1.9.1 >> >> >> > > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/
