On Thu, 21 Oct 2021 05:53:31 -0700, Matthew Auld wrote: > > wbinvd_on_all_cpus() is only defined on x86 it seems, plus we need to > include asm/smp.h here. Reviewed-by: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx> > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx> > Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c > index 1adcd8e02d29..a45d0ec2c5b6 100644 > --- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c > +++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c > @@ -12,6 +12,13 @@ > #include "i915_gem_object.h" > #include "i915_scatterlist.h" > > +#if defined(CONFIG_X86) > +#include <asm/smp.h> > +#else > +#define wbinvd_on_all_cpus() \ > + pr_warn(DRIVER_NAME ": Missing cache flush in %s\n", __func__) > +#endif > + > I915_SELFTEST_DECLARE(static bool force_different_devices;) > > static struct drm_i915_gem_object *dma_buf_to_obj(struct dma_buf *buf) > -- > 2.26.3 >