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SubjectRe: [PATCH v7u1 26/31] x86: Don't enable swiotlb if there is not enough ram for it
On Mon, Jan 7, 2013 at 7:50 PM, Yinghai Lu <> wrote:
> On Mon, Jan 7, 2013 at 7:13 PM, Eric W. Biederman <> 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.

please check if you are ok with attached.

looks like it need more change of lines.


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