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authorLinus Torvalds <torvalds@linux-foundation.org>2014-08-14 04:26:50 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-14 04:26:50 +0400
commit13b102bf48d39d84d87bee31544f4588502649b6 (patch)
treec51846d0ca82ed2b7c01f52925c1cd56e1802ce7 /arch
parent81c02a21b293faecab725f691d709111831e1944 (diff)
parent8bccf5b313180faefce38e0d1140f76e0f327d28 (diff)
downloadlinux-13b102bf48d39d84d87bee31544f4588502649b6.tar.xz
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
Diffstat (limited to 'arch')
-rw-r--r--arch/sparc/include/uapi/asm/unistd.h4
-rw-r--r--arch/sparc/kernel/nmi.c1
-rw-r--r--arch/sparc/kernel/perf_event.c7
-rw-r--r--arch/sparc/kernel/process_64.c3
-rw-r--r--arch/sparc/kernel/smp_32.c2
-rw-r--r--arch/sparc/kernel/smp_64.c1
-rw-r--r--arch/sparc/kernel/systbls_32.S2
-rw-r--r--arch/sparc/kernel/systbls_64.S4
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