On Mon, Aug 9, 2021 at 2:25 AM Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > > From: Johannes Berg <johannes.berg@xxxxxxxxx> > > Now that UML has PCI support, this driver must depend also on > !UML since it pokes at X86_64 architecture internals that don't > exist on ARCH=um. > Do you really need to disable compilation of the whole driver just because an arch level helper does not exist on UML builds? Isn't there already a check for enqcmds on x86_64 to make sure the CPU is sufficiently feature enabled? > Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> > Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> > --- > drivers/dma/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig > index 39b5b46e880f..dc155f75926d 100644 > --- a/drivers/dma/Kconfig > +++ b/drivers/dma/Kconfig > @@ -315,7 +315,7 @@ config INTEL_IDXD_PERFMON > > config INTEL_IOATDMA > tristate "Intel I/OAT DMA support" > - depends on PCI && X86_64 > + depends on PCI && X86_64 && !UML > select DMA_ENGINE > select DMA_ENGINE_RAID > select DCA > -- > 2.31.1 >
