From: K. Y. Srinivasan <kys@microsoft.com>
Date: Fri, 18 Jan 2013 05:00:51 +0000 (-0800)
Subject: Drivers: hv: Bind all vmbbus interrupts to the boot CPU
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=0f3f2f86b22c41bb102a15ca4ca7f41c7414ab0d;p=deliverable%2Flinux.git

Drivers: hv: Bind all vmbbus interrupts to the boot CPU

The default interrupt delivery model in Linux does not support the Hyper-V
vmbus delivery model when the guest is configured with multiple VCPUs. I have
sent a patch to address this - delivering the vmbus interrupt on a separate
IDT vector. Until this patch is applied, bind all vmbus interrupts to the boot
CPU.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index c80fe6245f5b..7478ef914b9a 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -337,7 +337,7 @@ static u32 get_vp_index(uuid_le *type_guid)
 		return 0;
 	}
 	cur_cpu = (++next_vp % max_cpus);
-	return hv_context.vp_index[cur_cpu];
+	return 0;
 }
 
 /*