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| author | K. Y. Srinivasan <kys@microsoft.com> | 2017-01-19 11:51:48 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-20 14:48:03 +0100 |
| commit | d058fa7e98ff01a4b4750a2210fc19906db3cbe1 (patch) | |
| tree | 2050b48f9bcbcbf3df9526e02afbbee45d53ab22 /drivers/hv | |
| parent | 8de8af7e0873c4fdac2205327dff922819e16657 (diff) | |
| download | op-kernel-dev-d058fa7e98ff01a4b4750a2210fc19906db3cbe1.zip op-kernel-dev-d058fa7e98ff01a4b4750a2210fc19906db3cbe1.tar.gz | |
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>
Diffstat (limited to 'drivers/hv')
| -rw-r--r-- | drivers/hv/hyperv_vmbus.h | 10 | ||||
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 25 |
2 files changed, 0 insertions, 35 deletions
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index a7e35c8..59eb28c 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 565bdd1..8e81346 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) { |
