Drivers: hv: vmbus: Move the crash notification function

As part of the effort to separate out architecture specific code, move the
crash notification function.

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

2 files changed, 0 insertions, 35 deletions

diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index a7e35c842fed..59eb28c45ff5 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -40,16 +40,6 @@
  */
 #define HV_UTIL_NEGO_TIMEOUT 55
 
-#define  HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE   0x400
-
-#define HV_X64_MSR_CRASH_P0   0x40000100
-#define HV_X64_MSR_CRASH_P1   0x40000101
-#define HV_X64_MSR_CRASH_P2   0x40000102
-#define HV_X64_MSR_CRASH_P3   0x40000103
-#define HV_X64_MSR_CRASH_P4   0x40000104
-#define HV_X64_MSR_CRASH_CTL  0x40000105
-
-#define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63)
 
 /* Define version of the synthetic interrupt controller. */
 #define HV_SYNIC_VERSION                (1)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 565bdd16134a..8e81346114d4 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -56,31 +56,6 @@ static struct completion probe_event;
 
 static int hyperv_cpuhp_online;
 
-static void hyperv_report_panic(struct pt_regs *regs)
-{
-        static bool panic_reported;
-
-        /*
-         * We prefer to report panic on 'die' chain as we have proper
-         * registers to report, but if we miss it (e.g. on BUG()) we need
-         * to report it on 'panic'.
-         */
-        if (panic_reported)
-                return;
-        panic_reported = true;
-
-        wrmsrl(HV_X64_MSR_CRASH_P0, regs->ip);
-        wrmsrl(HV_X64_MSR_CRASH_P1, regs->ax);
-        wrmsrl(HV_X64_MSR_CRASH_P2, regs->bx);
-        wrmsrl(HV_X64_MSR_CRASH_P3, regs->cx);
-        wrmsrl(HV_X64_MSR_CRASH_P4, regs->dx);
-
-        /*
-         * Let Hyper-V know there is crash data available
-         */
-        wrmsrl(HV_X64_MSR_CRASH_CTL, HV_CRASH_CTL_CRASH_NOTIFY);
-}
-
 static int hyperv_panic_event(struct notifier_block *nb, unsigned long val,
                               void *args)
 {