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Commit 75b50322 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge branch 'linus' into perfcounters/core 



Merge reason: Pick up the latest fixes before the -v8 perfcounters
	      release.

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parents 0b73da3f b87297fb

Documentation/hwmon/sysfs-interface

+6 −0
Original line number Diff line number Diff line
@@ -150,6 +150,11 @@ fan[1-*]_min Fan minimum value 
		Unit: revolution/min (RPM)

		RW



fan[1-*]_max	Fan maximum value

		Unit: revolution/min (RPM)

		Only rarely supported by the hardware.

		RW



fan[1-*]_input	Fan input value.

		Unit: revolution/min (RPM)

		RO
@@ -390,6 +395,7 @@ OR 
in[0-*]_min_alarm

in[0-*]_max_alarm

fan[1-*]_min_alarm

fan[1-*]_max_alarm

temp[1-*]_min_alarm

temp[1-*]_max_alarm

temp[1-*]_crit_alarm

MAINTAINERS

+10 −1
Original line number Diff line number Diff line
@@ -624,6 +624,7 @@ M: paulius.zaleckas@teltonika.lt 
L:	linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)

T:	git git://gitorious.org/linux-gemini/mainline.git

S:	Maintained

F:	arch/arm/mach-gemini/



ARM/EBSA110 MACHINE SUPPORT

P:	Russell King
@@ -650,6 +651,7 @@ P: Paulius Zaleckas 
M:	paulius.zaleckas@teltonika.lt

L:	linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)

S:	Maintained

F:	arch/arm/mm/*-fa*



ARM/FOOTBRIDGE ARCHITECTURE

P:	Russell King
@@ -1540,6 +1542,13 @@ W: http://www.fi.muni.cz/~kas/cosa/ 
S:	Maintained

F:	drivers/net/wan/cosa*



CPMAC ETHERNET DRIVER

P:	Florian Fainelli

M:	florian@openwrt.org

L:	netdev@vger.kernel.org

S:	Maintained

F:	drivers/net/cpmac.c



CPU FREQUENCY DRIVERS

P:	Dave Jones

M:	davej@redhat.com
@@ -2249,7 +2258,7 @@ P: Li Yang 
M:	leoli@freescale.com

P:	Zhang Wei

M:	zw@zh-kernel.org

L:	linuxppc-embedded@ozlabs.org

L:	linuxppc-dev@ozlabs.org

L:	linux-kernel@vger.kernel.org

S:	Maintained

F:	drivers/dma/fsldma.*

Makefile

+1 −1
Original line number Diff line number Diff line 
VERSION = 2

PATCHLEVEL = 6

SUBLEVEL = 30

EXTRAVERSION = -rc7

EXTRAVERSION = -rc8

NAME = Man-Eating Seals of Antiquity



# *DOCUMENTATION*

arch/arm/include/asm/assembler.h

+13 −0
Original line number Diff line number Diff line
@@ -114,3 +114,16 @@ 
	.align	3;				\

	.long	9999b,9001f;			\

	.previous



/*

 * SMP data memory barrier

 */

	.macro	smp_dmb

#ifdef CONFIG_SMP

#if __LINUX_ARM_ARCH__ >= 7

	dmb

#elif __LINUX_ARM_ARCH__ == 6

	mcr	p15, 0, r0, c7, c10, 5	@ dmb

#endif

#endif

	.endm

arch/arm/include/asm/atomic.h

+52 −9
Original line number Diff line number Diff line
@@ -44,11 +44,29 @@ static inline void atomic_set(atomic_t *v, int i) 
	: "cc");

}



static inline void atomic_add(int i, atomic_t *v)

{

	unsigned long tmp;

	int result;



	__asm__ __volatile__("@ atomic_add\n"

"1:	ldrex	%0, [%2]\n"

"	add	%0, %0, %3\n"

"	strex	%1, %0, [%2]\n"

"	teq	%1, #0\n"

"	bne	1b"

	: "=&r" (result), "=&r" (tmp)

	: "r" (&v->counter), "Ir" (i)

	: "cc");

}



static inline int atomic_add_return(int i, atomic_t *v)

{

	unsigned long tmp;

	int result;



	smp_mb();



	__asm__ __volatile__("@ atomic_add_return\n"

"1:	ldrex	%0, [%2]\n"

"	add	%0, %0, %3\n"
@@ -59,14 +77,34 @@ static inline int atomic_add_return(int i, atomic_t *v) 
	: "r" (&v->counter), "Ir" (i)

	: "cc");



	smp_mb();



	return result;

}



static inline void atomic_sub(int i, atomic_t *v)

{

	unsigned long tmp;

	int result;



	__asm__ __volatile__("@ atomic_sub\n"

"1:	ldrex	%0, [%2]\n"

"	sub	%0, %0, %3\n"

"	strex	%1, %0, [%2]\n"

"	teq	%1, #0\n"

"	bne	1b"

	: "=&r" (result), "=&r" (tmp)

	: "r" (&v->counter), "Ir" (i)

	: "cc");

}



static inline int atomic_sub_return(int i, atomic_t *v)

{

	unsigned long tmp;

	int result;



	smp_mb();



	__asm__ __volatile__("@ atomic_sub_return\n"

"1:	ldrex	%0, [%2]\n"

"	sub	%0, %0, %3\n"
@@ -77,6 +115,8 @@ static inline int atomic_sub_return(int i, atomic_t *v) 
	: "r" (&v->counter), "Ir" (i)

	: "cc");



	smp_mb();



	return result;

}
@@ -84,6 +124,8 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new) 
{

	unsigned long oldval, res;



	smp_mb();



	do {

		__asm__ __volatile__("@ atomic_cmpxchg\n"

		"ldrex	%1, [%2]\n"
@@ -95,6 +137,8 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new) 
		    : "cc");

	} while (res);



	smp_mb();



	return oldval;

}
@@ -135,6 +179,7 @@ static inline int atomic_add_return(int i, atomic_t *v) 


	return val;

}

#define atomic_add(i, v)	(void) atomic_add_return(i, v)



static inline int atomic_sub_return(int i, atomic_t *v)

{
@@ -148,6 +193,7 @@ static inline int atomic_sub_return(int i, atomic_t *v) 


	return val;

}

#define atomic_sub(i, v)	(void) atomic_sub_return(i, v)



static inline int atomic_cmpxchg(atomic_t *v, int old, int new)

{
@@ -187,10 +233,8 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) 
}

#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)



#define atomic_add(i, v)	(void) atomic_add_return(i, v)

#define atomic_inc(v)		(void) atomic_add_return(1, v)

#define atomic_sub(i, v)	(void) atomic_sub_return(i, v)

#define atomic_dec(v)		(void) atomic_sub_return(1, v)

#define atomic_inc(v)		atomic_add(1, v)

#define atomic_dec(v)		atomic_sub(1, v)



#define atomic_inc_and_test(v)	(atomic_add_return(1, v) == 0)

#define atomic_dec_and_test(v)	(atomic_sub_return(1, v) == 0)
@@ -200,11 +244,10 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) 


#define atomic_add_negative(i,v) (atomic_add_return(i, v) < 0)



/* Atomic operations are already serializing on ARM */

#define smp_mb__before_atomic_dec()	barrier()

#define smp_mb__after_atomic_dec()	barrier()

#define smp_mb__before_atomic_inc()	barrier()

#define smp_mb__after_atomic_inc()	barrier()

#define smp_mb__before_atomic_dec()	smp_mb()

#define smp_mb__after_atomic_dec()	smp_mb()

#define smp_mb__before_atomic_inc()	smp_mb()

#define smp_mb__after_atomic_inc()	smp_mb()



#include <asm-generic/atomic.h>

#endif