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Date: Tue, 5 Nov 2013 12:36:28 +0000
From: David Vrabel <david.vrabel@citrix.com>
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To: Roger Pau Monne <roger.pau@citrix.com>
CC: <xen-devel@lists.xen.org>, <linux-kernel@vger.kernel.org>,
        Matt Wilson <msw@amazon.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: [PATCH] grant-table: don't set m2p override if kmap_ops is not
 set
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On 05/11/13 11:24, Roger Pau Monne wrote:
> IMHO there's no reason to set a m2p override if the mapping is done in
> kernel space, so only set the m2p override when kmap_ops is set.

Can you provide a more detailed reasoning about why this is safe?

Did you consider other ways of improving scalability?  e.g., a
per-bucket read-write lock.

David