Re: [PATCH 13/17] mlx4: Add blue flame support for kernel consumers

From: Eli Cohen <redacted>
Date: Mon, 7 Mar 2011 23:36:48 +0200

Specifically, some archs may not support write combining.

They should just create a non-write-combining mapping if they
don't support it.

It could still fail due to resource constraints, but not because
of the reason you're stating.