[dpdk-dev] [PATCH v2 1/4] bus/vmbus: fix race in sub channel creation

Thomas Monjalon thomas at monjalon.net
Wed Dec 19 03:02:54 CET 2018


05/12/2018 23:11, Stephen Hemminger:
> When using multiple queues, there was a race with the kernel
> in setting up the second channel. This regression is due to a kernel change
> which does not allow accessing sysfs files for Hyper-V channels that are not opened.
> 
> The fix is simple, just move the logic to detect not ready
> sub channels earlier in the existing loop.
> 
> Fixes: 831dba47bd36 ("bus/vmbus: add Hyper-V virtual bus support")
> Reported-by:Mohammed Gamal <mgamal at redhat.com>
> Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com>

+Cc stable at dpdk.org

Series applied, thanks





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