Re: [PATCH 1/2] drm/i915/dmabuf: fix broken build

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On Wed, 27 Oct 2021, Matthew Auld <matthew.william.auld@xxxxxxxxx> wrote:
> On Wed, 27 Oct 2021 at 09:58, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote:
>>
>> On Wed, 27 Oct 2021, Matthew Auld <matthew.william.auld@xxxxxxxxx> wrote:
>> > On Thu, 21 Oct 2021 at 13:54, Matthew Auld <matthew.auld@xxxxxxxxx> wrote:
>> >>
>> >> wbinvd_on_all_cpus() is only defined on x86 it seems, plus we need to
>> >> include asm/smp.h here.
>> >>
>> >> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>> >> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
>> >> Cc: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>
>> >
>> > Jani, would it make sense to cherry-pick this to -fixes? The offending
>> > commit is in drm-next, and there have been a few reports around this.
>> >
>> > Fixes: a035154da45d ("drm/i915/dmabuf: add paranoid flush-on-acquire")
>>
>> If the Fixes: tag is in place, our tooling will cherry-pick it where it
>> belongs. (In this case, drm-intel-next-fixes, not drm-intel-fixes.)
>
> Yeah, I forgot to add the fixes tag here unfortunately.

Already merged? What's the commit id to be cherry-picked? Rodrigo can do
it manually.

Note to self, we should set up some way to check which maintainer is
responsible for which branches and when.

BR,
Jani.

>
>>
>> Cc: Rodrigo who covers drm-intel-next-fixes atm.
>>
>> BR,
>> Jani.
>>
>>
>>
>> >
>> >
>> >> ---
>> >>  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
>> >>
>>
>> --
>> Jani Nikula, Intel Open Source Graphics Center

-- 
Jani Nikula, Intel Open Source Graphics Center




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