[Intel-gfx] [PATCH 1/3] mm: Check if mmu notifier callbacks are allowed to fail

Chris Wilson chris at chris-wilson.co.uk
Thu Nov 22 16:53:34 UTC 2018

Quoting Daniel Vetter (2018-11-22 16:51:04)
> Just a bit of paranoia, since if we start pushing this deep into
> callchains it's hard to spot all places where an mmu notifier
> implementation might fail when it's not allowed to.

Most callers could handle the failure correctly. It looks like the
failure was not propagated for convenience.

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