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authorMarc Zyngier <marc.zyngier@arm.com>2018-10-30 15:41:00 +0000
committerDavid S. Miller <davem@davemloft.net>2018-10-30 11:34:41 -0700
commita6b3a3fa042343e29ffaf9169f5ba3c819d4f9a2 (patch)
tree70678737b1a35921b4ef7d4f07d54105302976cb /drivers/net/ethernet/intel/igb
parentnet/mlx4_en: add a missing <net/ip.h> include (diff)
downloadlinux-dev-a6b3a3fa042343e29ffaf9169f5ba3c819d4f9a2.tar.xz
linux-dev-a6b3a3fa042343e29ffaf9169f5ba3c819d4f9a2.zip
net: mvpp2: Fix affinity hint allocation
The mvpp2 driver has the curious behaviour of passing a stack variable to irq_set_affinity_hint(), which results in the kernel exploding the first time anyone accesses this information. News flash: userspace does, and irqbalance will happily take the machine down. Great stuff. An easy fix is to track the mask within the queue_vector structure, and to make sure it has the same lifetime as the interrupt itself. Fixes: e531f76757eb ("net: mvpp2: handle cases where more CPUs are available than s/w threads") Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/intel/igb')
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