4 files changed, 14 insertions, 2 deletions

diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index afae0697e8ce..e0062d73db1c 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -2,7 +2,7 @@
 #define _ASM_POWERPC_IO_H
 #ifdef __KERNEL__
 
-/* 
+/*
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version
@@ -18,6 +18,9 @@ extern int check_legacy_ioport(unsigned long base_port);
 #define _PNPWRP         0xa79
 #define PNPBIOS_BASE    0xf000
 
+#include <linux/device.h>
+#include <linux/io.h>
+
 #include <linux/compiler.h>
 #include <asm/page.h>
 #include <asm/byteorder.h>
@@ -744,6 +747,9 @@ static inline void * bus_to_virt(unsigned long address)
 
 #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
 
+void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset,
+                                size_t size, unsigned long flags);
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_POWERPC_IO_H */
diff --git a/include/asm-powerpc/kvm_host.h b/include/asm-powerpc/kvm_host.h
index 04ffbb8e0a35..81a69d711017 100644
--- a/include/asm-powerpc/kvm_host.h
+++ b/include/asm-powerpc/kvm_host.h
@@ -59,6 +59,7 @@ struct kvm_vcpu_stat {
         u32 emulated_inst_exits;
         u32 dec_exits;
         u32 ext_intr_exits;
+        u32 halt_wakeup;
 };
 
 struct tlbe {
diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h
index 7ac820308a7e..b35a7e3ef978 100644
--- a/include/asm-powerpc/kvm_ppc.h
+++ b/include/asm-powerpc/kvm_ppc.h
@@ -77,12 +77,17 @@ static inline void kvmppc_clear_exception(struct kvm_vcpu *vcpu, int exception)
         clear_bit(priority, &vcpu->arch.pending_exceptions);
 }
 
+/* Helper function for "full" MSR writes. No need to call this if only EE is
+ * changing. */
 static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
 {
         if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR))
                 kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
 
         vcpu->arch.msr = new_msr;
+
+        if (vcpu->arch.msr & MSR_WE)
+                kvm_vcpu_block(vcpu);
 }
 
 #endif /* __POWERPC_KVM_PPC_H__ */
diff --git a/include/asm-powerpc/syscalls.h b/include/asm-powerpc/syscalls.h
index b3ca41fc8bb1..2b8a458f990a 100644
--- a/include/asm-powerpc/syscalls.h
+++ b/include/asm-powerpc/syscalls.h
@@ -30,7 +30,7 @@ asmlinkage int sys_fork(unsigned long p1, unsigned long p2,
 asmlinkage int sys_vfork(unsigned long p1, unsigned long p2,
                 unsigned long p3, unsigned long p4, unsigned long p5,
                 unsigned long p6, struct pt_regs *regs);
-asmlinkage int sys_pipe(int __user *fildes);
+asmlinkage long sys_pipe(int __user *fildes);
 asmlinkage long sys_rt_sigaction(int sig,
                 const struct sigaction __user *act,
                 struct sigaction __user *oact, size_t sigsetsize);