Re: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is notenough ram for it
From: Yinghai Lu
Date: Mon Jan 07 2013 - 22:50:02 EST
On Mon, Jan 7, 2013 at 7:13 PM, Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
> I meant we should detect failure to allocate bounce buffers in in
> swiotlb_init() instead of panicing.
> I meant swiotlb_map_single() should either panic or simply fail.
> If I have read lib/swiotlb.c correctly the only place we allocate a
> bounce buffer is in swiotlb_map_single. If there are more places we can
> allocate bounce buffers those need to be handled as well.
ok, will give it a try.
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