4.14-stable review patch. If anyone has any objections, please let me know.
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From: Amritha Nambiar amritha.nambiar@intel.com
[ Upstream commit 6358d49ac23995fdfe157cc8747ab0f274d3954b ]
While removing queues from the XPS map, the individual CPU ID alone was used to index the CPUs map, this should be changed to also factor in the traffic class mapping for the CPU-to-queue lookup.
Fixes: 184c449f91fe ("net: Add support for XPS with QoS via traffic classes") Signed-off-by: Amritha Nambiar amritha.nambiar@intel.com Acked-by: Alexander Duyck alexander.h.duyck@intel.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/core/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/core/dev.c +++ b/net/core/dev.c @@ -2058,7 +2058,7 @@ static bool remove_xps_queue_cpu(struct int i, j;
for (i = count, j = offset; i--; j++) { - if (!remove_xps_queue(dev_maps, cpu, j)) + if (!remove_xps_queue(dev_maps, tci, j)) break; }