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SubjectRe: [PATCH] drm/nouveau: Fix DEVICE_PRIVATE dependencies
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On Thu, May 30, 2019 at 11:31:12PM +0800, Yuehaibing wrote:
> Hi all,
>
> Friendly ping:
>
> Who can take this?
>
> On 2019/4/17 22:26, Yue Haibing wrote:
> > From: YueHaibing <yuehaibing@huawei.com>
> >
> > During randconfig builds, I occasionally run into an invalid configuration
> >
> > WARNING: unmet direct dependencies detected for DEVICE_PRIVATE
> > Depends on [n]: ARCH_HAS_HMM_DEVICE [=n] && ZONE_DEVICE [=n]
> > Selected by [y]:
> > - DRM_NOUVEAU_SVM [=y] && HAS_IOMEM [=y] && ARCH_HAS_HMM [=y] && DRM_NOUVEAU [=y] && STAGING [=y]
> >
> > mm/memory.o: In function `do_swap_page':
> > memory.c:(.text+0x2754): undefined reference to `device_private_entry_fault'
> >
> > commit 5da25090ab04 ("mm/hmm: kconfig split HMM address space mirroring from device memory")
> > split CONFIG_DEVICE_PRIVATE dependencies from
> > ARCH_HAS_HMM to ARCH_HAS_HMM_DEVICE and ZONE_DEVICE,
> > so enable DRM_NOUVEAU_SVM will trigger this warning,
> > cause building failed.
> >
> > Reported-by: Hulk Robot <hulkci@huawei.com>
> > Fixes: 5da25090ab04 ("mm/hmm: kconfig split HMM address space mirroring from device memory")
> > Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> > drivers/gpu/drm/nouveau/Kconfig | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
> > index 00cd9ab..99e30c1 100644
> > +++ b/drivers/gpu/drm/nouveau/Kconfig
> > @@ -74,7 +74,8 @@ config DRM_NOUVEAU_BACKLIGHT
> >
> > config DRM_NOUVEAU_SVM
> > bool "(EXPERIMENTAL) Enable SVM (Shared Virtual Memory) support"
> > - depends on ARCH_HAS_HMM
> > + depends on ARCH_HAS_HMM_DEVICE
> > + depends on ZONE_DEVICE
> > depends on DRM_NOUVEAU
> > depends on STAGING
> > select HMM_MIRROR
> >

I'm expecting to take a patch like this into the new hmm git tree once
Jerome sends his Final Solution for the kconfig problems.

Maybe it is this patch, Jerome??

Regards,
Jason

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