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| author | Ingo Molnar <mingo@elte.hu> | 2010-04-08 09:06:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-04-08 10:18:47 +0200 |
| commit | c1ab9cab75098924fa8226a8a371de66977439df (patch) | |
| tree | 767e77302ca8f2eb781c60624bc8518cd50ba6eb /include/linux/module.h | |
| parent | ff0ff84a0767df48d728c36510365344a7e7d582 (diff) | |
| parent | f5284e7635787224dda1a2bf82a4c56b1c75671f (diff) | |
| download | linux-stable-c1ab9cab75098924fa8226a8a371de66977439df.tar.gz linux-stable-c1ab9cab75098924fa8226a8a371de66977439df.tar.bz2 linux-stable-c1ab9cab75098924fa8226a8a371de66977439df.zip | |
Merge branch 'linus' into tracing/core
Conflicts:
include/linux/module.h
kernel/module.c
Semantic conflict:
include/trace/events/module.h
Merge reason: Resolve the conflict with upstream commit 5fbfb18 ("Fix up
possibly racy module refcounting")
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/module.h')
| -rw-r--r-- | include/linux/module.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/include/linux/module.h b/include/linux/module.h index 393ec39b580a..6914fcad4673 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -330,8 +330,11 @@ struct module struct module_notes_attrs *notes_attrs; #endif +#ifdef CONFIG_SMP /* Per-cpu data. */ - void *percpu; + void __percpu *percpu; + unsigned int percpu_size; +#endif /* The command line arguments (may be mangled). People like keeping pointers to this stuff */ @@ -365,7 +368,8 @@ struct module void (*exit)(void); struct module_ref { - int count; + unsigned int incs; + unsigned int decs; } __percpu *refptr; #endif @@ -392,6 +396,7 @@ static inline int module_is_live(struct module *mod) struct module *__module_text_address(unsigned long addr); struct module *__module_address(unsigned long addr); bool is_module_address(unsigned long addr); +bool is_module_percpu_address(unsigned long addr); bool is_module_text_address(unsigned long addr); static inline int within_module_core(unsigned long addr, struct module *mod) @@ -459,7 +464,7 @@ static inline void __module_get(struct module *module) { if (module) { preempt_disable(); - __this_cpu_inc(module->refptr->count); + __this_cpu_inc(module->refptr->incs); trace_module_get(module, _THIS_IP_); preempt_enable(); } @@ -473,10 +478,9 @@ static inline int try_module_get(struct module *module) preempt_disable(); if (likely(module_is_live(module))) { - __this_cpu_inc(module->refptr->count); + __this_cpu_inc(module->refptr->incs); trace_module_get(module, _THIS_IP_); - } - else + } else ret = 0; preempt_enable(); @@ -561,6 +565,11 @@ static inline bool is_module_address(unsigned long addr) return false; } +static inline bool is_module_percpu_address(unsigned long addr) +{ + return false; +} + static inline bool is_module_text_address(unsigned long addr) { return false; |