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authorDavid S. Miller <davem@davemloft.net>2014-01-18 03:55:41 -0500
committerDavid S. Miller <davem@davemloft.net>2014-01-18 03:55:41 -0500
commit41804420586ab41049a14ab7ef04eaa2280b8647 (patch)
treef05b39b0c5f1ed229b073f7a993ef717f9f1a363 /include/linux
parent7b1e46c5a265b142dd05ff3463fa3e0a1f4e4172 (diff)
parent7d0d46da750a252371cb747b48ddda27d1047881 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c net/ipv4/tcp_metrics.c Overlapping changes between the "don't create two tcp metrics objects with the same key" race fix in net and the addition of the destination address in the lookup key in net-next. Minor overlapping changes in bnx2x driver. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/crash_dump.h2
-rw-r--r--include/linux/i2c.h2
-rw-r--r--include/linux/seqlock.h27
3 files changed, 22 insertions, 9 deletions
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index fe68a5a98583..7032518f8542 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -6,6 +6,8 @@
6#include <linux/proc_fs.h> 6#include <linux/proc_fs.h>
7#include <linux/elf.h> 7#include <linux/elf.h>
8 8
9#include <asm/pgtable.h> /* for pgprot_t */
10
9#define ELFCORE_ADDR_MAX (-1ULL) 11#define ELFCORE_ADDR_MAX (-1ULL)
10#define ELFCORE_ADDR_ERR (-2ULL) 12#define ELFCORE_ADDR_ERR (-2ULL)
11 13
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index eff50e062be8..d9c8dbd3373f 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -445,7 +445,7 @@ static inline void i2c_set_adapdata(struct i2c_adapter *dev, void *data)
445static inline struct i2c_adapter * 445static inline struct i2c_adapter *
446i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter) 446i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter)
447{ 447{
448#if IS_ENABLED(I2C_MUX) 448#if IS_ENABLED(CONFIG_I2C_MUX)
449 struct device *parent = adapter->dev.parent; 449 struct device *parent = adapter->dev.parent;
450 450
451 if (parent != NULL && parent->type == &i2c_adapter_type) 451 if (parent != NULL && parent->type == &i2c_adapter_type)
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index cf87a24c0f92..535f158977b9 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -117,15 +117,15 @@ repeat:
117} 117}
118 118
119/** 119/**
120 * read_seqcount_begin_no_lockdep - start seq-read critical section w/o lockdep 120 * raw_read_seqcount_begin - start seq-read critical section w/o lockdep
121 * @s: pointer to seqcount_t 121 * @s: pointer to seqcount_t
122 * Returns: count to be passed to read_seqcount_retry 122 * Returns: count to be passed to read_seqcount_retry
123 * 123 *
124 * read_seqcount_begin_no_lockdep opens a read critical section of the given 124 * raw_read_seqcount_begin opens a read critical section of the given
125 * seqcount, but without any lockdep checking. Validity of the critical 125 * seqcount, but without any lockdep checking. Validity of the critical
126 * section is tested by checking read_seqcount_retry function. 126 * section is tested by checking read_seqcount_retry function.
127 */ 127 */
128static inline unsigned read_seqcount_begin_no_lockdep(const seqcount_t *s) 128static inline unsigned raw_read_seqcount_begin(const seqcount_t *s)
129{ 129{
130 unsigned ret = __read_seqcount_begin(s); 130 unsigned ret = __read_seqcount_begin(s);
131 smp_rmb(); 131 smp_rmb();
@@ -144,7 +144,7 @@ static inline unsigned read_seqcount_begin_no_lockdep(const seqcount_t *s)
144static inline unsigned read_seqcount_begin(const seqcount_t *s) 144static inline unsigned read_seqcount_begin(const seqcount_t *s)
145{ 145{
146 seqcount_lockdep_reader_access(s); 146 seqcount_lockdep_reader_access(s);
147 return read_seqcount_begin_no_lockdep(s); 147 return raw_read_seqcount_begin(s);
148} 148}
149 149
150/** 150/**
@@ -206,14 +206,26 @@ static inline int read_seqcount_retry(const seqcount_t *s, unsigned start)
206} 206}
207 207
208 208
209
210static inline void raw_write_seqcount_begin(seqcount_t *s)
211{
212 s->sequence++;
213 smp_wmb();
214}
215
216static inline void raw_write_seqcount_end(seqcount_t *s)
217{
218 smp_wmb();
219 s->sequence++;
220}
221
209/* 222/*
210 * Sequence counter only version assumes that callers are using their 223 * Sequence counter only version assumes that callers are using their
211 * own mutexing. 224 * own mutexing.
212 */ 225 */
213static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass) 226static inline void write_seqcount_begin_nested(seqcount_t *s, int subclass)
214{ 227{
215 s->sequence++; 228 raw_write_seqcount_begin(s);
216 smp_wmb();
217 seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_); 229 seqcount_acquire(&s->dep_map, subclass, 0, _RET_IP_);
218} 230}
219 231
@@ -225,8 +237,7 @@ static inline void write_seqcount_begin(seqcount_t *s)
225static inline void write_seqcount_end(seqcount_t *s) 237static inline void write_seqcount_end(seqcount_t *s)
226{ 238{
227 seqcount_release(&s->dep_map, 1, _RET_IP_); 239 seqcount_release(&s->dep_map, 1, _RET_IP_);
228 smp_wmb(); 240 raw_write_seqcount_end(s);
229 s->sequence++;
230} 241}
231 242
232/** 243/**