[PATCH] drm/xen: Add missing VM_DONTEXPAND flag in mmap callback

[Juergen Gross]

On 09.05.22 15:51, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko <oleksandr_tyshchenko at epam.com>
> 
> With Xen PV Display driver in use the "expected" VM_DONTEXPAND flag
> is not set (neither explicitly nor implicitly), so the driver hits
> the code path in drm_gem_mmap_obj() which triggers the WARNING.
> 
> Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko at epam.com>

Pushed to xen/tip.git for-linus-5.19a


Juergen
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