Merge commit 'v2.6.28-rc7' into core/locking

13 files changed, 33 insertions, 15 deletions

diff --git a/arch/ia64/include/asm/intrinsics.h b/arch/ia64/include/asm/intrinsics.h
index 47d686d..a3e44a5 100644
--- a/arch/ia64/include/asm/intrinsics.h
+++ b/arch/ia64/include/asm/intrinsics.h
@@ -226,7 +226,7 @@ extern long ia64_cmpxchg_called_with_bad_pointer (void);
 /************************************************/
 #define ia64_ssm			IA64_INTRINSIC_MACRO(ssm)
 #define ia64_rsm			IA64_INTRINSIC_MACRO(rsm)
-#define ia64_getreg			IA64_INTRINSIC_API(getreg)
+#define ia64_getreg			IA64_INTRINSIC_MACRO(getreg)
 #define ia64_setreg			IA64_INTRINSIC_API(setreg)
 #define ia64_set_rr			IA64_INTRINSIC_API(set_rr)
 #define ia64_get_rr			IA64_INTRINSIC_API(get_rr)
diff --git a/arch/ia64/include/asm/paravirt_privop.h b/arch/ia64/include/asm/paravirt_privop.h
index d577aac..0b59742 100644
--- a/arch/ia64/include/asm/paravirt_privop.h
+++ b/arch/ia64/include/asm/paravirt_privop.h
@@ -78,6 +78,19 @@ extern unsigned long ia64_native_getreg_func(int regnum);
 			ia64_native_rsm(mask);	\
 	} while (0)
 
+/* returned ip value should be the one in the caller,
+ * not in __paravirt_getreg() */
+#define paravirt_getreg(reg)					\
+	({							\
+		unsigned long res;				\
+		BUILD_BUG_ON(!__builtin_constant_p(reg));	\
+		if ((reg) == _IA64_REG_IP)			\
+			res = ia64_native_getreg(_IA64_REG_IP); \
+		else						\
+			res = pv_cpu_ops.getreg(reg);		\
+		res;						\
+	})
+
 /******************************************************************************
  * replacement of hand written assembly codes.
  */
diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 6417c1e..14055c6 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -325,8 +325,6 @@ static inline unsigned long user_stack_pointer(struct pt_regs *regs)
   #define arch_has_block_step()   (1)
   extern void user_enable_block_step(struct task_struct *);
 
-#define __ARCH_WANT_COMPAT_SYS_PTRACE
-
 #endif /* !__KERNEL__ */
 
 /* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 7ef0c59..d435f4a 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -499,6 +499,7 @@ GLOBAL_ENTRY(prefetch_stack)
 END(prefetch_stack)
 
 GLOBAL_ENTRY(kernel_execve)
+	rum psr.ac
 	mov r15=__NR_execve			// put syscall number in place
 	break __BREAK_SYSCALL
 	br.ret.sptk.many rp
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 66e491d..59301c4 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -260,7 +260,7 @@ start_ap:
 	 * Switch into virtual mode:
 	 */
 	movl r16=(IA64_PSR_IT|IA64_PSR_IC|IA64_PSR_DT|IA64_PSR_RT|IA64_PSR_DFH|IA64_PSR_BN \
-		  |IA64_PSR_DI)
+		  |IA64_PSR_DI|IA64_PSR_AC)
 	;;
 	mov cr.ipsr=r16
 	movl r17=1f
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 7dd96c1..bab1de2 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1139,7 +1139,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
 	return previous_current;
 
 no_mod:
-	printk(KERN_INFO "cpu %d, %s %s, original stack not modified\n",
+	mprintk(KERN_INFO "cpu %d, %s %s, original stack not modified\n",
 			smp_processor_id(), type, msg);
 	return previous_current;
 }
diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c
index de35d8e..9f14c16 100644
--- a/arch/ia64/kernel/paravirt.c
+++ b/arch/ia64/kernel/paravirt.c
@@ -130,7 +130,7 @@ ia64_native_getreg_func(int regnum)
 	unsigned long res = -1;
 	switch (regnum) {
 	CASE_GET_REG(GP);
-	CASE_GET_REG(IP);
+	/*CASE_GET_REG(IP);*/ /* returned ip value shouldn't be constant */
 	CASE_GET_REG(PSR);
 	CASE_GET_REG(TP);
 	CASE_GET_REG(SP);
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index dbdb778..2a92f63 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -19,7 +19,6 @@
 #include <linux/kernel.h>
 
 #include <asm/page.h>
-#include <asm/iommu.h>
 
 dma_addr_t bad_dma_address __read_mostly;
 EXPORT_SYMBOL(bad_dma_address);
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index 8e99fed..f833a0b 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -20,6 +20,8 @@ if VIRTUALIZATION
 config KVM
 	tristate "Kernel-based Virtual Machine (KVM) support"
 	depends on HAVE_KVM && EXPERIMENTAL
+	# for device assignment:
+	depends on PCI
 	select PREEMPT_NOTIFIERS
 	select ANON_INODES
 	---help---
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 3caac47..af1464f 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -673,16 +673,16 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 
 	vcpu_load(vcpu);
 
+	if (vcpu->sigset_active)
+		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
+
 	if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED)) {
 		kvm_vcpu_block(vcpu);
 		clear_bit(KVM_REQ_UNHALT, &vcpu->requests);
-		vcpu_put(vcpu);
-		return -EAGAIN;
+		r = -EAGAIN;
+		goto out;
 	}
 
-	if (vcpu->sigset_active)
-		sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
-
 	if (vcpu->mmio_needed) {
 		memcpy(vcpu->mmio_data, kvm_run->mmio.data, 8);
 		kvm_set_mmio_data(vcpu);
@@ -690,7 +690,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 		vcpu->mmio_needed = 0;
 	}
 	r = __vcpu_run(vcpu, kvm_run);
-
+out:
 	if (vcpu->sigset_active)
 		sigprocmask(SIG_SETMASK, &sigsaved, NULL);
 
diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h
index 341e3fe..e9b2a4e 100644
--- a/arch/ia64/kvm/vcpu.h
+++ b/arch/ia64/kvm/vcpu.h
@@ -384,6 +384,10 @@ static inline u64 __gpfn_is_io(u64 gpfn)
 #define MODE_IND(psr)	\
 	(((psr).it << 2) + ((psr).dt << 1) + (psr).rt)
 
+#ifndef CONFIG_SMP
+#define _vmm_raw_spin_lock(x)	 do {}while(0)
+#define _vmm_raw_spin_unlock(x) do {}while(0)
+#else
 #define _vmm_raw_spin_lock(x)						\
 	do {								\
 		__u32 *ia64_spinlock_ptr = (__u32 *) (x);		\
@@ -403,6 +407,7 @@ static inline u64 __gpfn_is_io(u64 gpfn)
 	do { barrier();				\
 		((spinlock_t *)x)->raw_lock.lock = 0; } \
 while (0)
+#endif
 
 void vmm_spin_lock(spinlock_t *lock);
 void vmm_spin_unlock(spinlock_t *lock);
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index c3aa851..4e1801b 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -292,7 +292,7 @@ EXPORT_SYMBOL(sn_io_slot_fixup);
  * sn_pci_controller_fixup() - This routine sets up a bus's resources
  *			       consistent with the Linux PCI abstraction layer.
  */
-static void
+static void __init
 sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 {
 	s64 status = 0;
diff --git a/arch/ia64/xen/hypercall.S b/arch/ia64/xen/hypercall.S
index d4ff0b9..45e02bb 100644
--- a/arch/ia64/xen/hypercall.S
+++ b/arch/ia64/xen/hypercall.S
@@ -58,7 +58,7 @@ __HCALL2(xen_set_rr, HYPERPRIVOP_SET_RR)
 __HCALL2(xen_set_kr, HYPERPRIVOP_SET_KR)
 
 #ifdef CONFIG_IA32_SUPPORT
-__HCALL1(xen_get_eflag, HYPERPRIVOP_GET_EFLAG)
+__HCALL0(xen_get_eflag, HYPERPRIVOP_GET_EFLAG)
 __HCALL1(xen_set_eflag, HYPERPRIVOP_SET_EFLAG)	// refer SDM vol1 3.1.8
 #endif /* CONFIG_IA32_SUPPORT */