> -----Original Message----- > From: K. Y. Srinivasan [mailto:kys@xxxxxxxxxxxxx] > Sent: Tuesday, April 8, 2014 6:45 PM > To: gregkh@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx; > jasowang@xxxxxxxxxx > Cc: KY Srinivasan > Subject: [PATCH 0/2] Eliminate spin locks in the vmbus channel callback path > > Currently we map the channel handle to the channel under the protection of > a spin lock. Additionally, we dispatch the channel callback function under the > protection of the channel inbound lock (another spin lock). In some recent > nework performance runs, the time spent acquiring and releasing these locks > were identified as potential bottlenecks. This patch-set gets rid of these locks > by leveraging the interrupt bindings that we support starting with win8. > > K. Y. Srinivasan (2): > Drivers: hv: Eliminate the channel spinlock in the callback path > Drivers: hv: vmbus: Implement per-CPU mapping of relid to channel > > drivers/hv/channel.c | 16 ++++++++++--- > drivers/hv/channel_mgmt.c | 52 > ++++++++++++++++++++++++++++++++++++++++---- > drivers/hv/connection.c | 35 +++++++++++++++++++++++------- > drivers/hv/hv.c | 2 + > drivers/hv/hyperv_vmbus.h | 5 ++++ > include/linux/hyperv.h | 7 ++++++ > 6 files changed, 100 insertions(+), 17 deletions(-) > > -- > 1.7.4.1 Greg, Should I resend this patch set. K. Y _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
