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From: Michael Kelley <mikelley@microsoft.com>
To: "Andrea Parri (Microsoft)" <parri.andrea@gmail.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: KY Srinivasan <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>,
	"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	Dexuan Cui <decui@microsoft.com>,
	Boqun Feng <boqun.feng@gmail.com>, vkuznets <vkuznets@redhat.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>
Subject: RE: [PATCH 11/11] scsi: storvsc: Re-init stor_chns when a channel interrupt is re-assigned
Date: Fri, 10 Apr 2020 19:35:50 +0000	[thread overview]
Message-ID: <DM5PR2101MB10478227BEEBACCDE8999CDBD7DE0@DM5PR2101MB1047.namprd21.prod.outlook.com> (raw)
In-Reply-To: <20200406001514.19876-12-parri.andrea@gmail.com>

From: Andrea Parri (Microsoft) <parri.andrea@gmail.com> Sent: Sunday, April 5, 2020 5:15 PM
> 
> For each storvsc_device, storvsc keeps track of the channel target CPUs
> associated to the device (alloced_cpus) and it uses this information to
> fill a "cache" (stor_chns) mapping CPU->channel according to a certain
> heuristic.  Update the alloced_cpus mask and the stor_chns array when a
> channel of the storvsc device is re-assigned to a different CPU.
> 
> Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
> Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
> Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
> Cc: <linux-scsi@vger.kernel.org>
> ---
>  drivers/hv/vmbus_drv.c     |  4 ++
>  drivers/scsi/storvsc_drv.c | 95 ++++++++++++++++++++++++++++++++++----
>  include/linux/hyperv.h     |  3 ++
>  3 files changed, 94 insertions(+), 8 deletions(-)
> 

Reviewed-by: Michael Kelley <mikelley@microsoft.com>

  parent reply	other threads:[~2020-04-10 19:35 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-06  0:15 [PATCH 00/11] VMBus channel interrupt reassignment Andrea Parri (Microsoft)
2020-04-06  0:15 ` [PATCH 01/11] Drivers: hv: vmbus: Always handle the VMBus messages on CPU0 Andrea Parri (Microsoft)
2020-04-10 17:18   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 02/11] Drivers: hv: vmbus: Don't bind the offer&rescind works to a specific CPU Andrea Parri (Microsoft)
2020-04-10 17:23   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 03/11] Drivers: hv: vmbus: Replace the per-CPU channel lists with a global array of channels Andrea Parri (Microsoft)
2020-04-10 17:29   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 04/11] hv_netvsc: Disable NAPI before closing the VMBus channel Andrea Parri (Microsoft)
2020-04-10 19:20   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 05/11] hv_utils: Always execute the fcopy and vss callbacks in a tasklet Andrea Parri (Microsoft)
2020-04-10 19:26   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 06/11] Drivers: hv: vmbus: Use a spin lock for synchronizing channel scheduling vs. channel removal Andrea Parri (Microsoft)
2020-04-10 19:28   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 07/11] PCI: hv: Prepare hv_compose_msi_msg() for the VMBus-channel-interrupt-to-vCPU reassignment functionality Andrea Parri (Microsoft)
2020-04-10 19:30   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 08/11] Drivers: hv: vmbus: Remove the unused HV_LOCALIZED channel affinity logic Andrea Parri (Microsoft)
2020-04-10 19:32   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 09/11] Drivers: hv: vmbus: Synchronize init_vp_index() vs. CPU hotplug Andrea Parri (Microsoft)
2020-04-10 19:33   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 10/11] Drivers: hv: vmbus: Introduce the CHANNELMSG_MODIFYCHANNEL message type Andrea Parri (Microsoft)
2020-04-10 19:34   ` Michael Kelley
2020-04-06  0:15 ` [PATCH 11/11] scsi: storvsc: Re-init stor_chns when a channel interrupt is re-assigned Andrea Parri (Microsoft)
2020-04-06 19:54   ` Long Li
2020-04-07  0:35     ` Andrea Parri
2020-04-08  2:25       ` Long Li
2020-04-08 14:54         ` Andrea Parri
2020-04-10 19:35   ` Michael Kelley [this message]
2020-04-13 15:48 ` [PATCH 00/11] VMBus channel interrupt reassignment Wei Liu
2020-04-13 17:07   ` Andrea Parri

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