> -----Original Message----- > From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx] > Sent: Wednesday, August 31, 2016 4:14 PM > To: KY Srinivasan <kys@xxxxxxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx; devel@xxxxxxxxxxxxxxxxxxxxxx; > olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx; vkuznets@xxxxxxxxxx; > jasowang@xxxxxxxxxx; leann.ogasawara@xxxxxxxxxxxxx; K. Y. Srinivasan > <kys@xxxxxxxxxxxxxxxxxxxxxx> > Subject: Re: [PATCH 1/1] Drivers: hv: Introduce a policy for controlling channel > affinity > > On Wed, Jul 06, 2016 at 06:02:15PM -0700, kys@xxxxxxxxxxxxxxxxxxxxxx > wrote: > > From: K. Y. Srinivasan <kys@xxxxxxxxxxxxxxxxxxxxxx> > > > > Introduce a mechanism to control how channels will be affinitized. We will > > support two policies: > > > > 1. HV_BALANCED: All performance critical channels will be dstributed > > evenly amongst all the available NUMA nodes. Once the Node is assigned, > > we will assign the CPU based on a simple round robin scheme. > > > > 2. HV_LOCALIZED: Only the primary channels are distributed across all > > NUMA nodes. Sub-channels will be in the same NUMA node as the primary > > channel. This is the current behaviour. > > > > The default policy will be the HV_BALANCED as it can minimize the remote > > memory access on NUMA machines with applications that span NUMA nodes. > > > > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxxxxxxxxxxx> > > Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > > --- > > drivers/hv/channel_mgmt.c | 68 +++++++++++++++++++++++++--------------- > ---- > > include/linux/hyperv.h | 23 +++++++++++++++ > > 2 files changed, 62 insertions(+), 29 deletions(-) > > Also doesn't apply cleanly :( > I will fix this and resend. K. Y _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
