Maintainer: * Daniel Borkmann * Tobias Klauser Major contributors (> 30 commits): * Daniel Borkmann * Emmanuel Roullit * Markus Amend * Tobias Klauser * Christoph Jaeger * Herbert Haas * Minor contributors (<= 30 commits): * Scott Moeller * Jesper Dangaard Brouer * Jaroslav Škarvada * Dennis Gilmore * Dan Horák * Doug Burks * Kartik Mistry * Ulrich Weber * Teguh * Markus Kötter * Jim Binder * Ronald W. Henderson * Stefan Seering * Jon Schipp * Sibir Chakraborty Notes: The order of authors with > 30 commits listed here is sorted by contributions from high to low through ``git log --no-merges $@ | grep Author: | \ cut -d: -f2 | cut -d\< -f1 | sort | uniq -c | sort -n -r''. The list of minor contributors is currently unsorted and contains people who have contributed code ``in some way'' (e.g. on the upstream or maintenance repositories), either through Git or email. Note that we have taken over the maintenance and further development of Herbert Haas' mausezahn [ˈmauzəˌtsa:n] utility after he passed away in 2011. There were no Git commit statistics available from the import of his project. The project is currently in an experimental branch only, but will be fully integrated soon. (*) Want to join the core team? Submit enough great patches over a long time, implement what's on the TODO file and show an ongoing, active interest in supporting netsniff-ng. What's in for you? If you ever come to Switzerland, you get a free beer on Daniel and you can meet some great people involved in this project. ;) /sch_qfq.c?h=nds-private-remove&id=433e19cf33d34bb6751c874a9c00980552fe508c'>commitdiff
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authorDexuan Cui <decui@microsoft.com>2017-01-28 11:46:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-31 10:59:48 +0100
commit433e19cf33d34bb6751c874a9c00980552fe508c (patch)
treece6547ef2987fbb289fa28f03536328a42781651 /net/sched/sch_qfq.c
parent191e885a2e130e639bb0c8ee350d7047294f2ce6 (diff)
Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()
Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") added the proper mb(), but removed the test "prev_write_sz < pending_sz" when making the signal decision. As a result, the guest can signal the host unnecessarily, and then the host can throttle the guest because the host thinks the guest is buggy or malicious; finally the user running stress test can perceive intermittent freeze of the guest. This patch brings back the test, and properly handles the in-place consumption APIs used by NetVSC (see get_next_pkt_raw(), put_pkt_raw() and commit_rd_index()). Fixes: a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") Signed-off-by: Dexuan Cui <decui@microsoft.com> Reported-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Tested-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/sched/sch_qfq.c')