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| author | Tejun Heo <tj@kernel.org> | 2014-06-17 19:12:39 -0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-06-17 19:12:39 -0400 |
| commit | cadb1c4db2d33e0a818f645cd1963a479dab91e2 (patch) | |
| tree | 85ed19e54f45c9e918eaf03e3811a83c7848f4c8 /include/linux/percpu-defs.h | |
| parent | 9c28278a24c01c0073fb89e53c1d2a605ab9587d (diff) | |
| download | linux-rt-cadb1c4db2d33e0a818f645cd1963a479dab91e2.tar.gz | |
percpu: use raw_cpu_*() to define __this_cpu_*()
__this_cpu_*() operations are the same as raw_cpu_*() operations
except for the added __this_cpu_preempt_check(). Curiously, these
were defined using __pcu_size_call_*() instead of being layered on top
of raw_cpu_*().
Let's layer them so that __this_cpu_*() are defined in terms of
raw_cpu_*(). It's simpler and less error-prone this way.
This patch doesn't introduce any functional difference.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Christoph Lameter <cl@linux.com>
Diffstat (limited to 'include/linux/percpu-defs.h')
| -rw-r--r-- | include/linux/percpu-defs.h | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index fd0b9ee19ec8..215917e9a176 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -403,16 +403,16 @@ do { \ * Generic percpu operations for context that are safe from preemption/interrupts. */ # define __this_cpu_read(pcp) \ - (__this_cpu_preempt_check("read"),__pcpu_size_call_return(raw_cpu_read_, (pcp))) + (__this_cpu_preempt_check("read"),raw_cpu_read(pcp)) # define __this_cpu_write(pcp, val) \ do { __this_cpu_preempt_check("write"); \ - __pcpu_size_call(raw_cpu_write_, (pcp), (val)); \ + raw_cpu_write(pcp, val); \ } while (0) # define __this_cpu_add(pcp, val) \ do { __this_cpu_preempt_check("add"); \ - __pcpu_size_call(raw_cpu_add_, (pcp), (val)); \ + raw_cpu_add(pcp, val); \ } while (0) # define __this_cpu_sub(pcp, val) __this_cpu_add((pcp), -(typeof(pcp))(val)) @@ -421,29 +421,29 @@ do { __this_cpu_preempt_check("add"); \ # define __this_cpu_and(pcp, val) \ do { __this_cpu_preempt_check("and"); \ - __pcpu_size_call(raw_cpu_and_, (pcp), (val)); \ + raw_cpu_and(pcp, val); \ } while (0) # define __this_cpu_or(pcp, val) \ do { __this_cpu_preempt_check("or"); \ - __pcpu_size_call(raw_cpu_or_, (pcp), (val)); \ + raw_cpu_or(pcp, val); \ } while (0) # define __this_cpu_add_return(pcp, val) \ - (__this_cpu_preempt_check("add_return"),__pcpu_size_call_return2(raw_cpu_add_return_, pcp, val)) + (__this_cpu_preempt_check("add_return"),raw_cpu_add_return(pcp, val)) #define __this_cpu_sub_return(pcp, val) __this_cpu_add_return(pcp, -(typeof(pcp))(val)) #define __this_cpu_inc_return(pcp) __this_cpu_add_return(pcp, 1) #define __this_cpu_dec_return(pcp) __this_cpu_add_return(pcp, -1) # define __this_cpu_xchg(pcp, nval) \ - (__this_cpu_preempt_check("xchg"),__pcpu_size_call_return2(raw_cpu_xchg_, (pcp), nval)) + (__this_cpu_preempt_check("xchg"),raw_cpu_xchg(pcp, nval)) # define __this_cpu_cmpxchg(pcp, oval, nval) \ - (__this_cpu_preempt_check("cmpxchg"),__pcpu_size_call_return2(raw_cpu_cmpxchg_, pcp, oval, nval)) + (__this_cpu_preempt_check("cmpxchg"),raw_cpu_cmpxchg(pcp, oval, nval)) # define __this_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2) \ - (__this_cpu_preempt_check("cmpxchg_double"),__pcpu_double_call_return_bool(raw_cpu_cmpxchg_double_, (pcp1), (pcp2), (oval1), (oval2), (nval1), (nval2))) + (__this_cpu_preempt_check("cmpxchg_double"),raw_cpu_cmpxchg_double(pcp1, pcp2, oval1, oval2, nval1, nval2)) /* * this_cpu_*() operations are used for accesses that must be done in a |