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authorK. Y. Srinivasan <kys@microsoft.com>2011-12-12 09:29:17 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2011-12-12 14:26:50 -0800
commit93e5bd06a95343c701361fa009cdc5a653d6ec8e (patch)
treefe28f7a5ad3c009fbf8e197c94c74b444015630f /drivers/hv/hv.c
parent8b8ee6753154dd6cfe397e0d29fe7f90a8adb50b (diff)
downloadblackbird-op-linux-93e5bd06a95343c701361fa009cdc5a653d6ec8e.tar.gz
blackbird-op-linux-93e5bd06a95343c701361fa009cdc5a653d6ec8e.zip
Drivers: hv: Make the vmbus driver unloadable
It turns out that the vmbus driver can be made unloadable. Make it unloadable. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/hv/hv.c')
-rw-r--r--drivers/hv/hv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 0fb100ed91a3..f8a77d01a516 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -237,6 +237,9 @@ void hv_cleanup(void)
{
union hv_x64_msr_hypercall_contents hypercall_msr;
+ /* Reset our OS id */
+ wrmsrl(HV_X64_MSR_GUEST_OS_ID, 0);
+
kfree(hv_context.signal_event_buffer);
hv_context.signal_event_buffer = NULL;
hv_context.signal_event_param = NULL;
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