Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc

Pull Sparc fixes from David Miller:
 "Sparc bug fixes, one of which was preventing successful SMP boots with
  mainline"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc64: Fix pcr_ops initialization and usage bugs.
  sparc64: Do not disable interrupts in nmi_cpu_busy()
  sparc: Hook up seccomp and getrandom system calls.
  sparc: fix decimal printf format specifiers prefixed with 0x

8 files changed, 15 insertions, 9 deletions

diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h
index 42f2bca1d338..886cab456e1b 100644
--- a/arch/sparc/include/uapi/asm/unistd.h
+++ b/arch/sparc/include/uapi/asm/unistd.h
@@ -411,8 +411,10 @@
 #define __NR_sched_setattr      343
 #define __NR_sched_getattr      344
 #define __NR_renameat2          345
+#define __NR_seccomp            346
+#define __NR_getrandom          347
 
-#define NR_syscalls             346
+#define NR_syscalls             348
 
 /* Bitmask values returned from kern_features system call.  */
 #define KERN_FEATURE_MIXED_MODE_STACK   0x00000001
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index 337094556916..5b1151dcba13 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -130,7 +130,6 @@ static inline unsigned int get_nmi_count(int cpu)
 
 static __init void nmi_cpu_busy(void *data)
 {
-        local_irq_enable_in_hardirq();
         while (endflag == 0)
                 mb();
 }
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 8efd33753ad3..d35c490a91cb 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1671,9 +1671,12 @@ static bool __init supported_pmu(void)
 
 static int __init init_hw_perf_events(void)
 {
+        int err;
+
         pr_info("Performance events: ");
 
-        if (!supported_pmu()) {
+        err = pcr_arch_init();
+        if (err || !supported_pmu()) {
                 pr_cont("No support for PMU type '%s'\n", sparc_pmu_type);
                 return 0;
         }
@@ -1685,7 +1688,7 @@ static int __init init_hw_perf_events(void)
 
         return 0;
 }
-early_initcall(init_hw_perf_events);
+pure_initcall(init_hw_perf_events);
 
 void perf_callchain_kernel(struct perf_callchain_entry *entry,
                            struct pt_regs *regs)
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 027e09986194..0be7bf978cb1 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -312,6 +312,9 @@ static void __global_pmu_self(int this_cpu)
         struct global_pmu_snapshot *pp;
         int i, num;
 
+        if (!pcr_ops)
+                return;
+
         pp = &global_cpu_snapshot[this_cpu].pmu;
 
         num = 1;
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 7958242d63c5..b3a5d81b20f0 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -68,7 +68,7 @@ void smp_store_cpu_info(int id)
         mid = cpu_get_hwmid(cpu_node);
 
         if (mid < 0) {
-                printk(KERN_NOTICE "No MID found for CPU%d at node 0x%08d", id, cpu_node);
+                printk(KERN_NOTICE "No MID found for CPU%d at node 0x%08x", id, cpu_node);
                 mid = 0;
         }
         cpu_data(id).mid = mid;
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 41aa2478f3ca..f7ba87543e5f 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1383,7 +1383,6 @@ void __cpu_die(unsigned int cpu)
 
 void __init smp_cpus_done(unsigned int max_cpus)
 {
-        pcr_arch_init();
 }
 
 void smp_send_reschedule(int cpu)
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 85fe9b1087cd..217893e18d78 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -86,4 +86,4 @@ sys_call_table:
 /*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
 /*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
 /*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
-/*345*/ .long sys_renameat2
+/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 33ecba2826ea..d93b49d1b420 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -87,7 +87,7 @@ sys_call_table32:
 /*330*/ .word compat_sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
         .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
 /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
-        .word sys32_renameat2
+        .word sys32_renameat2, sys_seccomp, sys_getrandom
 
 #endif /* CONFIG_COMPAT */
 
@@ -166,4 +166,4 @@ sys_call_table:
 /*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
         .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
 /*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
-        .word sys_renameat2
+        .word sys_renameat2, sys_seccomp, sys_getrandom