Merge commit '4cb38750d49010ae72e718d46605ac9ba5a851b4' into stable/for-linus-3.6

* commit '4cb38750d49010ae72e718d46605ac9ba5a851b4': (6849 commits)
  bcma: fix invalid PMU chip control masks
  [libata] pata_cmd64x: whitespace cleanup
  libata-acpi: fix up for acpi_pm_device_sleep_state API
  sata_dwc_460ex: device tree may specify dma_channel
  ahci, trivial: fixed coding style issues related to braces
  ahci_platform: add hibernation callbacks
  libata-eh.c: local functions should not be exposed globally
  libata-transport.c: local functions should not be exposed globally
  sata_dwc_460ex: support hardreset
  ata: use module_pci_driver
  drivers/ata/pata_pcmcia.c: adjust suspicious bit operation
  pata_imx: Convert to clk_prepare_enable/clk_disable_unprepare
  ahci: Enable SB600 64bit DMA on MSI K9AGM2 (MS-7327) v2
  [libata] Prevent interface errors with Seagate FreeAgent GoFlex
  drivers/acpi/glue: revert accidental license-related 6b66d95895c bits
  libata-acpi: add missing inlines in libata.h
  i2c-omap: Add support for I2C_M_STOP message flag
  i2c: Fall back to emulated SMBus if the operation isn't supported natively
  i2c: Add SCCB support
  i2c-tiny-usb: Add support for the Robofuzz OSIF USB/I2C converter
  ...

1 files changed, 26 insertions, 0 deletions

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 72f13f4a06e0..d25a097c852b 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -612,6 +612,12 @@ static void kvmppc_fill_pt_regs(struct pt_regs *regs)
 	regs->link = lr;
 }
 
+/*
+ * For interrupts needed to be handled by host interrupt handlers,
+ * corresponding host handler are called from here in similar way
+ * (but not exact) as they are called from low level handler
+ * (such as from arch/powerpc/kernel/head_fsl_booke.S).
+ */
 static void kvmppc_restart_interrupt(struct kvm_vcpu *vcpu,
 				     unsigned int exit_nr)
 {
@@ -639,6 +645,17 @@ static void kvmppc_restart_interrupt(struct kvm_vcpu *vcpu,
 		kvmppc_fill_pt_regs(&regs);
 		performance_monitor_exception(&regs);
 		break;
+	case BOOKE_INTERRUPT_WATCHDOG:
+		kvmppc_fill_pt_regs(&regs);
+#ifdef CONFIG_BOOKE_WDT
+		WatchdogException(&regs);
+#else
+		unknown_exception(&regs);
+#endif
+		break;
+	case BOOKE_INTERRUPT_CRITICAL:
+		unknown_exception(&regs);
+		break;
 	}
 }
 
@@ -683,6 +700,10 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		r = RESUME_GUEST;
 		break;
 
+	case BOOKE_INTERRUPT_WATCHDOG:
+		r = RESUME_GUEST;
+		break;
+
 	case BOOKE_INTERRUPT_DOORBELL:
 		kvmppc_account_exit(vcpu, DBELL_EXITS);
 		r = RESUME_GUEST;
@@ -1267,6 +1288,11 @@ void kvmppc_decrementer_func(unsigned long data)
 {
 	struct kvm_vcpu *vcpu = (struct kvm_vcpu *)data;
 
+	if (vcpu->arch.tcr & TCR_ARE) {
+		vcpu->arch.dec = vcpu->arch.decar;
+		kvmppc_emulate_dec(vcpu);
+	}
+
 	kvmppc_set_tsr_bits(vcpu, TSR_DIS);
 }