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Drivers: hv: vmbus: Get rid of MSR access from vmbus_drv.c

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Get rid of ISA specific code from vmus_drv.c which is common code.

Fixes: 81b18bce48 ("Drivers: HV: Send one page worth of kmsg dump over Hyper-V during panic")

Signed-off-by: Sunil Muthuswamy <[email protected]>
Signed-off-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Sunil Muthuswamy 2018-07-28 21:58:47 +00:00 • committed by Greg Kroah-Hartman
commit 9d9c965687
2 changed files with 4 additions and 1 deletions
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2
drivers/hv/vmbus_drv.c
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@ -1146,7 +1146,7 @@ static int vmbus_bus_init(void)
* Register for panic kmsg callback only if the right
* capability is supported by the hypervisor.
*/
rdmsrl(HV_X64_MSR_CRASH_CTL, hyperv_crash_ctl);
hv_get_crash_ctl(hyperv_crash_ctl);
if (hyperv_crash_ctl & HV_CRASH_CTL_CRASH_NOTIFY_MSG) {
hv_panic_page = (void *)get_zeroed_page(GFP_KERNEL);
if (hv_panic_page) {