Merge branch 'master' into queue

* master: (15791 commits)
  Linux 3.9-rc1
  btrfs/raid56: Add missing #include <linux/vmalloc.h>
  fix compat_sys_rt_sigprocmask()
  SUNRPC: One line comment fix
  ext4: enable quotas before orphan cleanup
  ext4: don't allow quota mount options when quota feature enabled
  ext4: fix a warning from sparse check for ext4_dir_llseek
  ext4: convert number of blocks to clusters properly
  ext4: fix possible memory leak in ext4_remount()
  jbd2: fix ERR_PTR dereference in jbd2__journal_start
  metag: Provide dma_get_sgtable()
  metag: prom.h: remove declaration of metag_dt_memblock_reserve()
  metag: copy devicetree to non-init memory
  metag: cleanup metag_ksyms.c includes
  metag: move mm/init.c exports out of metag_ksyms.c
  metag: move usercopy.c exports out of metag_ksyms.c
  metag: move setup.c exports out of metag_ksyms.c
  metag: move kick.c exports out of metag_ksyms.c
  metag: move traps.c exports out of metag_ksyms.c
  metag: move irq enable out of irqflags.h on SMP
  ...

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Conflicts:
	arch/x86/kernel/kvmclock.c

3 files changed, 8 insertions, 6 deletions

diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
index b58dd86..60f9f8a 100644
--- a/arch/s390/kvm/Kconfig
+++ b/arch/s390/kvm/Kconfig
@@ -18,7 +18,7 @@ if VIRTUALIZATION
 config KVM
 	def_tristate y
 	prompt "Kernel-based Virtual Machine (KVM) support"
-	depends on HAVE_KVM && EXPERIMENTAL
+	depends on HAVE_KVM
 	select PREEMPT_NOTIFIERS
 	select ANON_INODES
 	select HAVE_KVM_CPU_RELAX_INTERCEPT
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 2f6ccb0..37116a7 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -484,7 +484,7 @@ static int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu)
 	}
 
 	if ((!rc) && (vcpu->arch.sie_block->ckc <
-		get_clock() + vcpu->arch.sie_block->epoch)) {
+		get_tod_clock() + vcpu->arch.sie_block->epoch)) {
 		if ((!psw_extint_disabled(vcpu)) &&
 			(vcpu->arch.sie_block->gcr[0] & 0x800ul))
 			rc = 1;
@@ -524,13 +524,13 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
 		goto no_timer;
 	}
 
-	now = get_clock() + vcpu->arch.sie_block->epoch;
+	now = get_tod_clock() + vcpu->arch.sie_block->epoch;
 	if (vcpu->arch.sie_block->ckc < now) {
 		__unset_cpu_idle(vcpu);
 		return 0;
 	}
 
-	sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9;
+	sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now);
 
 	hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL);
 	VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime);
@@ -614,7 +614,7 @@ void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu)
 	}
 
 	if ((vcpu->arch.sie_block->ckc <
-		get_clock() + vcpu->arch.sie_block->epoch))
+		get_tod_clock() + vcpu->arch.sie_block->epoch))
 		__try_deliver_ckc_interrupt(vcpu);
 
 	if (atomic_read(&fi->active)) {
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 4377d18..4cf35a0 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -149,7 +149,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 		r = KVM_MAX_VCPUS;
 		break;
 	case KVM_CAP_S390_COW:
-		r = sclp_get_fac85() & 0x2;
+		r = MACHINE_HAS_ESOP;
 		break;
 	default:
 		r = 0;
@@ -618,7 +618,9 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
 		kvm_s390_deliver_pending_interrupts(vcpu);
 
 	vcpu->arch.sie_block->icptcode = 0;
+	preempt_disable();
 	kvm_guest_enter();
+	preempt_enable();
 	VCPU_EVENT(vcpu, 6, "entering sie flags %x",
 		   atomic_read(&vcpu->arch.sie_block->cpuflags));
 	trace_kvm_s390_sie_enter(vcpu,