summaryrefslogtreecommitdiffstats
path: root/arch/mips/include
diff options
context:
space:
mode:
authorSteven Rostedt <srostedt@redhat.com>2010-05-21 11:49:57 -0400
committerSteven Rostedt <rostedt@goodmis.org>2010-05-21 11:49:57 -0400
commitff5f149b6aec8edbfa3698721667acd043009a33 (patch)
treed052553eb296dfee3f01b1cb2b717cb7ccf3127a /arch/mips/include
parentf0218b3e9974f06014b61be8987159f4a20e011e (diff)
parent580d607cd666dfabfc1c7b0fb08c8ac690c7c87f (diff)
downloadop-kernel-dev-ff5f149b6aec8edbfa3698721667acd043009a33.zip
op-kernel-dev-ff5f149b6aec8edbfa3698721667acd043009a33.tar.gz
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-7
Conflicts: include/linux/ftrace_event.h include/trace/ftrace.h kernel/trace/trace_event_perf.c kernel/trace/trace_kprobe.c kernel/trace/trace_syscalls.c Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/asm/atomic.h4
-rw-r--r--arch/mips/include/asm/i8253.h2
-rw-r--r--arch/mips/include/asm/mipsregs.h9
3 files changed, 11 insertions, 4 deletions
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 519197e..59dc0c7 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -29,7 +29,7 @@
*
* Atomically reads the value of @v.
*/
-#define atomic_read(v) ((v)->counter)
+#define atomic_read(v) (*(volatile int *)&(v)->counter)
/*
* atomic_set - set atomic variable
@@ -410,7 +410,7 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
* @v: pointer of type atomic64_t
*
*/
-#define atomic64_read(v) ((v)->counter)
+#define atomic64_read(v) (*(volatile long *)&(v)->counter)
/*
* atomic64_set - set atomic variable
diff --git a/arch/mips/include/asm/i8253.h b/arch/mips/include/asm/i8253.h
index 032ca73..48bb823 100644
--- a/arch/mips/include/asm/i8253.h
+++ b/arch/mips/include/asm/i8253.h
@@ -12,7 +12,7 @@
#define PIT_CH0 0x40
#define PIT_CH2 0x42
-extern spinlock_t i8253_lock;
+extern raw_spinlock_t i8253_lock;
extern void setup_pit_timer(void);
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 49382d5..c6e3c93 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -135,6 +135,12 @@
#define FPU_CSR_COND7 0x80000000 /* $fcc7 */
/*
+ * Bits 18 - 20 of the FPU Status Register will be read as 0,
+ * and should be written as zero.
+ */
+#define FPU_CSR_RSVD 0x001c0000
+
+/*
* X the exception cause indicator
* E the exception enable
* S the sticky/flag bit
@@ -161,7 +167,8 @@
#define FPU_CSR_UDF_S 0x00000008
#define FPU_CSR_INE_S 0x00000004
-/* rounding mode */
+/* Bits 0 and 1 of FPU Status Register specify the rounding mode */
+#define FPU_CSR_RM 0x00000003
#define FPU_CSR_RN 0x0 /* nearest */
#define FPU_CSR_RZ 0x1 /* towards zero */
#define FPU_CSR_RU 0x2 /* towards +Infinity */
OpenPOWER on IntegriCloud