Commit 5fb682b0 authored by Chris Metcalf's avatar Chris Metcalf
Browse files

arch/tile: fix some comments and whitespace 



This is a grab bag of changes with no actual change to generated code.
This includes whitespace and comment typos, plus a couple of stale
comments being removed.

Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent 00dce031

arch/tile/Kconfig

+10 −10
Original line number Diff line number Diff line 
# For a description of the syntax of this configuration file,

# see Documentation/kbuild/config-language.txt.

# see Documentation/kbuild/kconfig-language.txt.



config TILE

	def_bool y

arch/tile/include/asm/bitops_32.h

+1 −1
Original line number Diff line number Diff line
@@ -122,7 +122,7 @@ static inline int test_and_change_bit(unsigned nr, 
	return (_atomic_xor(addr, mask) & mask) != 0;

}



/* See discussion at smp_mb__before_atomic_dec() in <asm/atomic.h>. */

/* See discussion at smp_mb__before_atomic_dec() in <asm/atomic_32.h>. */

#define smp_mb__before_clear_bit()	smp_mb()

#define smp_mb__after_clear_bit()	do {} while (0)

arch/tile/include/asm/processor.h

+0 −1
Original line number Diff line number Diff line
@@ -269,7 +269,6 @@ extern char chip_model[64]; 
/* Data on which physical memory controller corresponds to which NUMA node. */

extern int node_controller[];





/* Do we dump information to the console when a user application crashes? */

extern int show_crashinfo;

arch/tile/kernel/intvec_32.S

+2 −2
Original line number Diff line number Diff line
@@ -1584,7 +1584,7 @@ ENTRY(sys_cmpxchg) 
	 * about aliasing among multiple mappings of the same physical page,

	 * and we ignore the low 3 bits so we have one lock that covers

	 * both a cmpxchg64() and a cmpxchg() on either its low or high word.

	 * NOTE: this code must match __atomic_hashed_lock() in lib/atomic.c.

	 * NOTE: this must match __atomic_hashed_lock() in lib/atomic_32.c.

	 */



#if ATOMIC_LOCKS_FOUND_VIA_TABLE()
@@ -1718,7 +1718,7 @@ ENTRY(sys_cmpxchg) 


	/*

	 * Perform the actual cmpxchg or atomic_update.

	 * Note that __futex_mark_unlocked() in uClibc relies on

	 * Note that the system <arch/atomic.h> header relies on

	 * atomic_update() to always perform an "mf", so don't make

	 * it optional or conditional without modifying that code.

	 */

arch/tile/lib/atomic_32.c

+1 −1
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@@ -52,7 +52,7 @@ int atomic_locks[PAGE_SIZE / sizeof(int)] __page_aligned_bss; 


static inline int *__atomic_hashed_lock(volatile void *v)

{

	/* NOTE: this code must match "sys_cmpxchg" in kernel/intvec.S */

	/* NOTE: this code must match "sys_cmpxchg" in kernel/intvec_32.S */

#if ATOMIC_LOCKS_FOUND_VIA_TABLE()

	unsigned long i =

		(unsigned long) v & ((PAGE_SIZE-1) & -sizeof(long long));