summaryrefslogtreecommitdiffstats
path: root/Documentation/admin-guide
diff options
context:
space:
mode:
authorHeiner Kallweit <hkallweit1@gmail.com>2018-10-18 19:56:01 +0200
committerDavid S. Miller <davem@davemloft.net>2018-10-18 20:33:29 +0200
commit6b839b6cf9eada30b086effb51e5d6076bafc761 (patch)
treeff03cc172c8ac189df65e1134bc6400a88907217 /Documentation/admin-guide
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klasse... (diff)
downloadlinux-6b839b6cf9eada30b086effb51e5d6076bafc761.tar.xz
linux-6b839b6cf9eada30b086effb51e5d6076bafc761.zip
r8169: fix NAPI handling under high load
rtl_rx() and rtl_tx() are called only if the respective bits are set in the interrupt status register. Under high load NAPI may not be able to process all data (work_done == budget) and it will schedule subsequent calls to the poll callback. rtl_ack_events() however resets the bits in the interrupt status register, therefore subsequent calls to rtl8169_poll() won't call rtl_rx() and rtl_tx() - chip interrupts are still disabled. Fix this by calling rtl_rx() and rtl_tx() independent of the bits set in the interrupt status register. Both functions will detect if there's nothing to do for them. Fixes: da78dbff2e05 ("r8169: remove work from irq handler.") Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/admin-guide')
0 files changed, 0 insertions, 0 deletions