Merge branch 'master'

10 files changed, 55 insertions, 36 deletions

diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c
index ffc7309e9f2..2e1c824c1cc 100644
--- a/arch/sparc64/kernel/kprobes.c
+++ b/arch/sparc64/kernel/kprobes.c
@@ -63,7 +63,7 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
 	flushi(p->addr);
 }
 
-static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
 	kcb->prev_kprobe.kp = kprobe_running();
 	kcb->prev_kprobe.status = kcb->kprobe_status;
@@ -71,7 +71,7 @@ static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
 	kcb->prev_kprobe.orig_tstate_pil = kcb->kprobe_orig_tstate_pil;
 }
 
-static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
 	__get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
 	kcb->kprobe_status = kcb->prev_kprobe.status;
@@ -79,7 +79,7 @@ static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
 	kcb->kprobe_orig_tstate_pil = kcb->prev_kprobe.orig_tstate_pil;
 }
 
-static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
+static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
 				struct kprobe_ctlblk *kcb)
 {
 	__get_cpu_var(current_kprobe) = p;
@@ -87,7 +87,7 @@ static inline void set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
 	kcb->kprobe_orig_tstate_pil = (regs->tstate & TSTATE_PIL);
 }
 
-static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs,
+static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs,
 			struct kprobe_ctlblk *kcb)
 {
 	regs->tstate |= TSTATE_PIL;
@@ -273,7 +273,7 @@ static void __kprobes resume_execution(struct kprobe *p,
 			kcb->kprobe_orig_tstate_pil);
 }
 
-static inline int post_kprobe_handler(struct pt_regs *regs)
+static int __kprobes post_kprobe_handler(struct pt_regs *regs)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
@@ -300,7 +300,7 @@ out:
 	return 1;
 }
 
-static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
+static int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index dfccff29e18..f97ddeb105a 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -419,6 +419,7 @@ void pcibios_resource_to_bus(struct pci_dev *pdev, struct pci_bus_region *region
 	region->start = res->start - zero_res.start;
 	region->end = res->end - zero_res.start;
 }
+EXPORT_SYMBOL(pcibios_resource_to_bus);
 
 void pcibios_bus_to_resource(struct pci_dev *pdev, struct resource *res,
 			     struct pci_bus_region *region)
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 9372d4f376d..9e94db2573a 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -1092,7 +1092,7 @@ void sun4v_pci_init(int node, char *model_name)
 		}
 	}
 
-	for_each_cpu(i) {
+	for_each_possible_cpu(i) {
 		unsigned long page = get_zeroed_page(GFP_ATOMIC);
 
 		if (!page)
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index eb93e9c5284..49e6dedd027 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -244,6 +244,13 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 	}
 
 	switch(request) {
+	case PTRACE_PEEKUSR:
+		if (addr != 0)
+			pt_error_return(regs, EIO);
+		else
+			pt_succ_return(regs, 0);
+		goto out_tsk;
+
 	case PTRACE_PEEKTEXT: /* read word at location addr. */ 
 	case PTRACE_PEEKDATA: {
 		unsigned long tmp64;
@@ -602,6 +609,22 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 
 	/* PTRACE_DUMPCORE unsupported... */
 
+	case PTRACE_GETEVENTMSG: {
+		int err;
+
+		if (test_thread_flag(TIF_32BIT))
+			err = put_user(child->ptrace_message,
+				       (unsigned int __user *) data);
+		else
+			err = put_user(child->ptrace_message,
+				       (unsigned long __user *) data);
+		if (err)
+			pt_error_return(regs, -err);
+		else
+			pt_succ_return(regs, 0);
+		break;
+	}
+
 	default: {
 		int err = ptrace_request(child, request, addr, data);
 		if (err)
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 7d0e67c1ce5..005167f8241 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -535,7 +535,7 @@ static int __init topology_init(void)
 	while (!cpu_find_by_instance(ncpus_probed, NULL, NULL))
 		ncpus_probed++;
 
-	for_each_cpu(i) {
+	for_each_possible_cpu(i) {
 		struct cpu *p = kzalloc(sizeof(*p), GFP_KERNEL);
 		if (p) {
 			register_cpu(p, i, NULL);
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 8175a6968c6..90eaca3ec9a 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -745,12 +745,21 @@ struct call_data_struct {
 	int wait;
 };
 
-static DEFINE_SPINLOCK(call_lock);
+static __cacheline_aligned_in_smp DEFINE_SPINLOCK(call_lock);
 static struct call_data_struct *call_data;
 
 extern unsigned long xcall_call_function;
 
-/*
+/**
+ * smp_call_function(): Run a function on all other CPUs.
+ * @func: The function to run. This must be fast and non-blocking.
+ * @info: An arbitrary pointer to pass to the function.
+ * @nonatomic: currently unused.
+ * @wait: If true, wait (atomically) until function has completed on other CPUs.
+ *
+ * Returns 0 on success, else a negative status code. Does not return until
+ * remote CPUs are nearly ready to execute <<func>> or are or have executed.
+ *
  * You must not call this function with disabled interrupts or from a
  * hardware interrupt handler or from a bottom half handler.
  */
@@ -759,7 +768,6 @@ static int smp_call_function_mask(void (*func)(void *info), void *info,
 {
 	struct call_data_struct data;
 	int cpus;
-	long timeout;
 
 	/* Can deadlock when called with interrupts disabled */
 	WARN_ON(irqs_disabled());
@@ -777,31 +785,18 @@ static int smp_call_function_mask(void (*func)(void *info), void *info,
 		goto out_unlock;
 
 	call_data = &data;
+	mb();
 
 	smp_cross_call_masked(&xcall_call_function, 0, 0, 0, mask);
 
-	/* 
-	 * Wait for other cpus to complete function or at
-	 * least snap the call data.
-	 */
-	timeout = 1000000;
-	while (atomic_read(&data.finished) != cpus) {
-		if (--timeout <= 0)
-			goto out_timeout;
-		barrier();
-		udelay(1);
-	}
+	/* Wait for response */
+	while (atomic_read(&data.finished) != cpus)
+		cpu_relax();
 
 out_unlock:
 	spin_unlock(&call_lock);
 
 	return 0;
-
-out_timeout:
-	spin_unlock(&call_lock);
-	printk("XCALL: Remote cpus not responding, ncpus=%d finished=%d\n",
-	       cpus, atomic_read(&data.finished));
-	return 0;
 }
 
 int smp_call_function(void (*func)(void *info), void *info,
@@ -1285,7 +1280,7 @@ int setup_profiling_timer(unsigned int multiplier)
 		return -EINVAL;
 
 	spin_lock_irqsave(&prof_setup_lock, flags);
-	for_each_cpu(i)
+	for_each_possible_cpu(i)
 		prof_multiplier(i) = multiplier;
 	current_tick_offset = (timer_tick_offset / multiplier);
 	spin_unlock_irqrestore(&prof_setup_lock, flags);
@@ -1313,12 +1308,12 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 		}
 	}
 
-	for_each_cpu(i) {
+	for_each_possible_cpu(i) {
 		if (tlb_type == hypervisor) {
 			int j;
 
 			/* XXX get this mapping from machine description */
-			for_each_cpu(j) {
+			for_each_possible_cpu(j) {
 				if ((j >> 2) == (i >> 2))
 					cpu_set(j, cpu_sibling_map[i]);
 			}
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index f5e8db1de76..62d8a99271e 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -276,7 +276,6 @@ EXPORT_SYMBOL(__prom_getsibling);
 EXPORT_SYMBOL(strlen);
 EXPORT_SYMBOL(__strlen_user);
 EXPORT_SYMBOL(__strnlen_user);
-EXPORT_SYMBOL(strpbrk);
 
 #ifdef CONFIG_SOLARIS_EMUL_MODULE
 EXPORT_SYMBOL(linux_sparc_syscall);
diff --git a/arch/sparc64/kernel/sys32.S b/arch/sparc64/kernel/sys32.S
index 86dd5cb81e0..f9b75760163 100644
--- a/arch/sparc64/kernel/sys32.S
+++ b/arch/sparc64/kernel/sys32.S
@@ -138,6 +138,7 @@ SIGN2(sys32_ioprio_get, sys_ioprio_get, %o0, %o1)
 SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2)
 SIGN2(sys32_splice, sys_splice, %o0, %o1)
 SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
+SIGN2(sys32_tee, sys_tee, %o0, %o1)
 
 	.globl		sys32_mmap2
 sys32_mmap2:
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index 857b82c8287..62672cd92ec 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -76,7 +76,7 @@ sys_call_table32:
 	.word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
 /*270*/	.word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
 	.word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
-/*280*/	.word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
+/*280*/	.word sys32_tee, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
 	.word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_fstatat64
 /*285*/	.word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
 	.word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare
@@ -145,7 +145,7 @@ sys_call_table:
 	.word sys_timer_delete, sys_timer_create, sys_ni_syscall, sys_io_setup, sys_io_destroy
 /*270*/	.word sys_io_submit, sys_io_cancel, sys_io_getevents, sys_mq_open, sys_mq_unlink
 	.word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
-/*280*/	.word sys_nis_syscall, sys_add_key, sys_request_key, sys_keyctl, sys_openat
+/*280*/	.word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
 	.word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64
 /*285*/	.word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
 	.word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index ff090bb9734..2793a5d8238 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1130,9 +1130,9 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in
 	       (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
 	       afsr, afar,
 	       (afsr & CHAFSR_TL1) ? 1 : 0);
-	printk("%s" "ERROR(%d): TPC[%016lx] TNPC[%016lx] TSTATE[%016lx]\n",
+	printk("%s" "ERROR(%d): TPC[%lx] TNPC[%lx] O7[%lx] TSTATE[%lx]\n",
 	       (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
-	       regs->tpc, regs->tnpc, regs->tstate);
+	       regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate);
 	printk("%s" "ERROR(%d): M_SYND(%lx),  E_SYND(%lx)%s%s\n",
 	       (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(),
 	       (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT,