* [PATCH 2/4] Drivers: hv: vmbus: do not mark HV_PCIE as perf_device
[not found] ` <20180327220104.19700-1-kys@linuxonhyperv.comi>
@ 2018-03-27 22:01 ` kys
0 siblings, 0 replies; only message in thread
From: kys @ 2018-03-27 22:01 UTC (permalink / raw)
To: gregkh, linux-kernel, devel, olaf, apw, vkuznets, jasowang,
leann.ogasawara, marcelo.cerri, sthemmin
Cc: Dexuan Cui, stable, K . Y . Srinivasan
From: Dexuan Cui <decui@microsoft.com>
The pci-hyperv driver's channel callback hv_pci_onchannelcallback() is not
really a hot path, so we don't need to mark it as a perf_device, meaning
with this patch all HV_PCIE channels' target_cpu will be CPU0.
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: stable@vger.kernel.org
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
drivers/hv/channel_mgmt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index c6d9d19bc04e..ecc2bd275a73 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -71,7 +71,7 @@ static const struct vmbus_device vmbus_devs[] = {
/* PCIE */
{ .dev_type = HV_PCIE,
HV_PCIE_GUID,
- .perf_device = true,
+ .perf_device = false,
},
/* Synthetic Frame Buffer */
--
2.15.1
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[not found] ` <20180327220104.19700-1-kys@linuxonhyperv.comi>
2018-03-27 22:01 ` [PATCH 2/4] Drivers: hv: vmbus: do not mark HV_PCIE as perf_device kys
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