The patch titled
m32r: revise __raw_read_trylock()
has been added to the -mm tree. Its filename is
m32r-revise-__raw_read_trylock.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: m32r: revise __raw_read_trylock()
From: Hirokazu Takata <takata.hirokazu@xxxxxxxxxxx>
Signed-off-by: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
Cc: Matthew Wilcox <matthew@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/asm-m32r/spinlock.h | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletion(-)
diff -puN include/asm-m32r/spinlock.h~m32r-revise-__raw_read_trylock include/asm-m32r/spinlock.h
--- a/include/asm-m32r/spinlock.h~m32r-revise-__raw_read_trylock
+++ a/include/asm-m32r/spinlock.h
@@ -298,7 +298,14 @@ static inline void __raw_write_unlock(ra
);
}
-#define __raw_read_trylock(lock) generic__raw_read_trylock(lock)
+static inline int __raw_read_trylock(raw_rwlock_t *lock)
+{
+ atomic_t *count = (atomic_t*)lock;
+ if (atomic_dec_return(count) >= 0)
+ return 1;
+ atomic_inc(count);
+ return 0;
+}
static inline int __raw_write_trylock(raw_rwlock_t *lock)
{
_
Patches currently in -mm which might be from takata.hirokazu@xxxxxxxxxxx are
m32r-revise-__raw_read_trylock.patch
simplify-update_times-avoid-jiffies-jiffies_64-aliasing-problem-2.patch
kill-wall_jiffies.patch
introduce-kernel_execve.patch
rename-the-provided-execve-functions-to-kernel_execve.patch
provide-kernel_execve-on-all-architectures.patch
provide-kernel_execve-on-all-architectures-fix.patch
remove-the-use-of-_syscallx-macros-in-uml.patch
sh64-remove-the-use-of-kernel-syscalls.patch
remove-remaining-errno-and-__kernel_syscalls__-references.patch
-
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