diff options
Diffstat (limited to 'arch/parisc')
-rw-r--r-- | arch/parisc/kernel/perf.c | 4 | ||||
-rw-r--r-- | arch/parisc/kernel/vmlinux.lds.S | 1 |
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index 89d6d5ad44b5..f696f57faa15 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c | |||
@@ -46,6 +46,7 @@ | |||
46 | #include <linux/init.h> | 46 | #include <linux/init.h> |
47 | #include <linux/proc_fs.h> | 47 | #include <linux/proc_fs.h> |
48 | #include <linux/miscdevice.h> | 48 | #include <linux/miscdevice.h> |
49 | #include <linux/smp_lock.h> | ||
49 | #include <linux/spinlock.h> | 50 | #include <linux/spinlock.h> |
50 | 51 | ||
51 | #include <asm/uaccess.h> | 52 | #include <asm/uaccess.h> |
@@ -260,13 +261,16 @@ printk("Preparing to start counters\n"); | |||
260 | */ | 261 | */ |
261 | static int perf_open(struct inode *inode, struct file *file) | 262 | static int perf_open(struct inode *inode, struct file *file) |
262 | { | 263 | { |
264 | lock_kernel(); | ||
263 | spin_lock(&perf_lock); | 265 | spin_lock(&perf_lock); |
264 | if (perf_enabled) { | 266 | if (perf_enabled) { |
265 | spin_unlock(&perf_lock); | 267 | spin_unlock(&perf_lock); |
268 | unlock_kernel(); | ||
266 | return -EBUSY; | 269 | return -EBUSY; |
267 | } | 270 | } |
268 | perf_enabled = 1; | 271 | perf_enabled = 1; |
269 | spin_unlock(&perf_lock); | 272 | spin_unlock(&perf_lock); |
273 | unlock_kernel(); | ||
270 | 274 | ||
271 | return 0; | 275 | return 0; |
272 | } | 276 | } |
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S index 2e516b871752..1a3b6ccd3620 100644 --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S | |||
@@ -67,7 +67,6 @@ SECTIONS | |||
67 | _etext = .; | 67 | _etext = .; |
68 | 68 | ||
69 | RODATA | 69 | RODATA |
70 | BUG_TABLE | ||
71 | 70 | ||
72 | /* writeable */ | 71 | /* writeable */ |
73 | /* Make sure this is page aligned so | 72 | /* Make sure this is page aligned so |