diff options
| author | Rusty Russell <rusty@rustcorp.com.au> | 2002-09-17 06:44:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2002-09-17 06:44:13 -0700 |
| commit | 708513359d13a9bb7991552fb28abb53728369af (patch) | |
| tree | 120507ccaa86ea72dfc4fa0140cebd3affed114f /include | |
| parent | db2787b45d006b6a0b41cfc787d8081b1eef3be6 (diff) | |
[PATCH] Re: per_cpu data question
I suck. Lvalues continue to haunt me. This works for me.
BTW, I prefer to have bug reports cc'd to linux-kernel, so the
results are archived. Plus, public humiliation is good for the
soul.
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/percpu.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/percpu.h b/include/linux/percpu.h index 06ff863fbc95..a79d04de4fd5 100644 --- a/include/linux/percpu.h +++ b/include/linux/percpu.h @@ -3,7 +3,8 @@ #include <linux/spinlock.h> /* For preempt_disable() */ #include <asm/percpu.h> -#define get_cpu_var(var) ({ preempt_disable(); __get_cpu_var(var); }) +/* Must be an lvalue. */ +#define get_cpu_var(var) (*({ preempt_disable(); &__get_cpu_var(var); })) #define put_cpu_var(var) preempt_enable() #endif /* __LINUX_PERCPU_H */ |