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Re: [Xen-devel] [PATCH v1] xen/grant-table: log the lack of grants

On 07/07/17 20:23, Wengang Wang wrote:
> log a message when we enter this situation:
> 1) we already allocated the max number of available grants from hypervisor
> and
> 2) we still need more (but the request fails because of 1)).
> Sometimes the lack of grants causes IO hangs in xen_blkfront devices.
> Adding this log would help debuging.
> Signed-off-by: Wengang Wang <wen.gang.wang@xxxxxxxxxx>
> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Reviewed-by: Junxiao Bi <junxiao.bi@xxxxxxxxxx>

Committed to xen/tip for-linus-4.13



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