Hi all,
Friendly ping:
Who can take this?
On 2019/4/17 22:26, Yue Haibing wrote:
> From: YueHaibing <yuehaibing@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> Fixes: 5da25090ab04 ("mm/hmm: kconfig split HMM address space mirroring from device memory")
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
> 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
> --- a/drivers/gpu/drm/nouveau/Kconfig
> +++ 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
>
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