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synced 2026-02-21 22:19:22 -05:00
x86/percpu: Clean up <asm/percpu.h> vertical alignment details
- Fix/unify misc vertical alignment inconsistencies - Make CPP macros look a bit more like C code by adding an empty line after local variable declaration blocks, and before final rvalue statements. No change in code. Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: Uros Bizjak <ubizjak@gmail.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Ingo Molnar
@@ -68,11 +68,12 @@
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* sizeof(this_cpu_off) becames 4.
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*/
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#ifndef BUILD_VDSO32_64
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#define arch_raw_cpu_ptr(_ptr) \
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({ \
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unsigned long tcp_ptr__ = raw_cpu_read_long(this_cpu_off); \
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tcp_ptr__ += (__force unsigned long)(_ptr); \
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(typeof(*(_ptr)) __kernel __force *)tcp_ptr__; \
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#define arch_raw_cpu_ptr(_ptr) \
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({ \
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unsigned long tcp_ptr__ = raw_cpu_read_long(this_cpu_off); \
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\
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tcp_ptr__ += (__force unsigned long)(_ptr); \
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(typeof(*(_ptr)) __kernel __force *)tcp_ptr__; \
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})
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#else
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#define arch_raw_cpu_ptr(_ptr) ({ BUILD_BUG(); (typeof(_ptr))0; })
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@@ -117,35 +118,35 @@
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* don't give an lvalue though).
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*/
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#define __pcpu_type_1 u8
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#define __pcpu_type_2 u16
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#define __pcpu_type_4 u32
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#define __pcpu_type_8 u64
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#define __pcpu_type_1 u8
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#define __pcpu_type_2 u16
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#define __pcpu_type_4 u32
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#define __pcpu_type_8 u64
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#define __pcpu_cast_1(val) ((u8)(((unsigned long) val) & 0xff))
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#define __pcpu_cast_2(val) ((u16)(((unsigned long) val) & 0xffff))
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#define __pcpu_cast_4(val) ((u32)(((unsigned long) val) & 0xffffffff))
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#define __pcpu_cast_8(val) ((u64)(val))
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#define __pcpu_cast_1(val) ((u8)(((unsigned long) val) & 0xff))
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#define __pcpu_cast_2(val) ((u16)(((unsigned long) val) & 0xffff))
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#define __pcpu_cast_4(val) ((u32)(((unsigned long) val) & 0xffffffff))
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#define __pcpu_cast_8(val) ((u64)(val))
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#define __pcpu_op1_1(op, dst) op "b " dst
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#define __pcpu_op1_2(op, dst) op "w " dst
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#define __pcpu_op1_4(op, dst) op "l " dst
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#define __pcpu_op1_8(op, dst) op "q " dst
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#define __pcpu_op1_1(op, dst) op "b " dst
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#define __pcpu_op1_2(op, dst) op "w " dst
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#define __pcpu_op1_4(op, dst) op "l " dst
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#define __pcpu_op1_8(op, dst) op "q " dst
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#define __pcpu_op2_1(op, src, dst) op "b " src ", " dst
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#define __pcpu_op2_2(op, src, dst) op "w " src ", " dst
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#define __pcpu_op2_4(op, src, dst) op "l " src ", " dst
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#define __pcpu_op2_8(op, src, dst) op "q " src ", " dst
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#define __pcpu_reg_1(mod, x) mod "q" (x)
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#define __pcpu_reg_2(mod, x) mod "r" (x)
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#define __pcpu_reg_4(mod, x) mod "r" (x)
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#define __pcpu_reg_8(mod, x) mod "r" (x)
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#define __pcpu_reg_1(mod, x) mod "q" (x)
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#define __pcpu_reg_2(mod, x) mod "r" (x)
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#define __pcpu_reg_4(mod, x) mod "r" (x)
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#define __pcpu_reg_8(mod, x) mod "r" (x)
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#define __pcpu_reg_imm_1(x) "qi" (x)
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#define __pcpu_reg_imm_2(x) "ri" (x)
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#define __pcpu_reg_imm_4(x) "ri" (x)
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#define __pcpu_reg_imm_8(x) "re" (x)
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#define __pcpu_reg_imm_1(x) "qi" (x)
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#define __pcpu_reg_imm_2(x) "ri" (x)
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#define __pcpu_reg_imm_4(x) "ri" (x)
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#define __pcpu_reg_imm_8(x) "re" (x)
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#ifdef CONFIG_USE_X86_SEG_SUPPORT
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@@ -166,15 +167,18 @@ do { \
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#define __raw_cpu_read(size, qual, _var) \
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({ \
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__pcpu_type_##size pfo_val__; \
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\
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asm qual (__pcpu_op2_##size("mov", __percpu_arg([var]), "%[val]") \
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: [val] __pcpu_reg_##size("=", pfo_val__) \
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: [var] "m" (__my_cpu_var(_var))); \
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\
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(typeof(_var))(unsigned long) pfo_val__; \
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})
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#define __raw_cpu_write(size, qual, _var, _val) \
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do { \
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__pcpu_type_##size pto_val__ = __pcpu_cast_##size(_val); \
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\
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if (0) { \
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typeof(_var) pto_tmp__; \
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pto_tmp__ = (_val); \
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@@ -196,9 +200,11 @@ do { \
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#define __raw_cpu_read_stable(size, _var) \
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({ \
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__pcpu_type_##size pfo_val__; \
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\
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asm(__pcpu_op2_##size("mov", __force_percpu_arg(a[var]), "%[val]") \
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: [val] __pcpu_reg_##size("=", pfo_val__) \
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: [var] "i" (&(_var))); \
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\
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(typeof(_var))(unsigned long) pfo_val__; \
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})
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@@ -211,6 +217,7 @@ do { \
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#define percpu_binary_op(size, qual, op, _var, _val) \
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do { \
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__pcpu_type_##size pto_val__ = __pcpu_cast_##size(_val); \
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\
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if (0) { \
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typeof(_var) pto_tmp__; \
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pto_tmp__ = (_val); \
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@@ -230,6 +237,7 @@ do { \
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const int pao_ID__ = (__builtin_constant_p(val) && \
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((val) == 1 || (val) == -1)) ? \
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(int)(val) : 0; \
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\
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if (0) { \
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typeof(var) pao_tmp__; \
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pao_tmp__ = (val); \
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@@ -249,6 +257,7 @@ do { \
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#define percpu_add_return_op(size, qual, _var, _val) \
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({ \
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__pcpu_type_##size paro_tmp__ = __pcpu_cast_##size(_val); \
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\
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asm qual (__pcpu_op2_##size("xadd", "%[tmp]", \
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__percpu_arg([var])) \
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: [tmp] __pcpu_reg_##size("+", paro_tmp__), \
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@@ -264,7 +273,9 @@ do { \
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#define raw_percpu_xchg_op(_var, _nval) \
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({ \
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typeof(_var) pxo_old__ = raw_cpu_read(_var); \
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\
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raw_cpu_write(_var, _nval); \
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\
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pxo_old__; \
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})
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@@ -276,7 +287,9 @@ do { \
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#define this_percpu_xchg_op(_var, _nval) \
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({ \
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typeof(_var) pxo_old__ = this_cpu_read(_var); \
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\
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do { } while (!this_cpu_try_cmpxchg(_var, &pxo_old__, _nval)); \
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\
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pxo_old__; \
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})
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@@ -288,12 +301,14 @@ do { \
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({ \
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__pcpu_type_##size pco_old__ = __pcpu_cast_##size(_oval); \
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__pcpu_type_##size pco_new__ = __pcpu_cast_##size(_nval); \
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\
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asm qual (__pcpu_op2_##size("cmpxchg", "%[nval]", \
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__percpu_arg([var])) \
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: [oval] "+a" (pco_old__), \
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[var] "+m" (__my_cpu_var(_var)) \
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: [nval] __pcpu_reg_##size(, pco_new__) \
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: "memory"); \
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\
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(typeof(_var))(unsigned long) pco_old__; \
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})
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@@ -303,6 +318,7 @@ do { \
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__pcpu_type_##size *pco_oval__ = (__pcpu_type_##size *)(_ovalp); \
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__pcpu_type_##size pco_old__ = *pco_oval__; \
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__pcpu_type_##size pco_new__ = __pcpu_cast_##size(_nval); \
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\
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asm qual (__pcpu_op2_##size("cmpxchg", "%[nval]", \
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__percpu_arg([var])) \
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CC_SET(z) \
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@@ -313,6 +329,7 @@ do { \
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: "memory"); \
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if (unlikely(!success)) \
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*pco_oval__ = pco_old__; \
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\
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likely(success); \
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})
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@@ -343,8 +360,8 @@ do { \
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old__.var; \
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})
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#define raw_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg64_op(8, , pcp, oval, nval)
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#define this_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg64_op(8, volatile, pcp, oval, nval)
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#define raw_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg64_op(8, , pcp, oval, nval)
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#define this_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg64_op(8, volatile, pcp, oval, nval)
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#define percpu_try_cmpxchg64_op(size, qual, _var, _ovalp, _nval) \
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({ \
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@@ -373,6 +390,7 @@ do { \
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: "memory"); \
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if (unlikely(!success)) \
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*_oval = old__.var; \
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\
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likely(success); \
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})
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@@ -382,8 +400,8 @@ do { \
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#endif /* defined(CONFIG_X86_32) && !defined(CONFIG_UML) */
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#ifdef CONFIG_X86_64
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#define raw_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg_op(8, , pcp, oval, nval);
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#define this_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg_op(8, volatile, pcp, oval, nval);
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#define raw_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg_op(8, , pcp, oval, nval);
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#define this_cpu_cmpxchg64(pcp, oval, nval) percpu_cmpxchg_op(8, volatile, pcp, oval, nval);
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#define raw_cpu_try_cmpxchg64(pcp, ovalp, nval) percpu_try_cmpxchg_op(8, , pcp, ovalp, nval);
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#define this_cpu_try_cmpxchg64(pcp, ovalp, nval) percpu_try_cmpxchg_op(8, volatile, pcp, ovalp, nval);
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@@ -413,8 +431,8 @@ do { \
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old__.var; \
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})
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#define raw_cpu_cmpxchg128(pcp, oval, nval) percpu_cmpxchg128_op(16, , pcp, oval, nval)
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#define this_cpu_cmpxchg128(pcp, oval, nval) percpu_cmpxchg128_op(16, volatile, pcp, oval, nval)
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#define raw_cpu_cmpxchg128(pcp, oval, nval) percpu_cmpxchg128_op(16, , pcp, oval, nval)
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#define this_cpu_cmpxchg128(pcp, oval, nval) percpu_cmpxchg128_op(16, volatile, pcp, oval, nval)
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#define percpu_try_cmpxchg128_op(size, qual, _var, _ovalp, _nval) \
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({ \
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@@ -451,66 +469,66 @@ do { \
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#endif /* CONFIG_X86_64 */
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#define raw_cpu_read_1(pcp) __raw_cpu_read(1, , pcp)
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#define raw_cpu_read_2(pcp) __raw_cpu_read(2, , pcp)
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#define raw_cpu_read_4(pcp) __raw_cpu_read(4, , pcp)
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#define raw_cpu_write_1(pcp, val) __raw_cpu_write(1, , pcp, val)
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#define raw_cpu_write_2(pcp, val) __raw_cpu_write(2, , pcp, val)
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#define raw_cpu_write_4(pcp, val) __raw_cpu_write(4, , pcp, val)
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#define raw_cpu_read_1(pcp) __raw_cpu_read(1, , pcp)
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#define raw_cpu_read_2(pcp) __raw_cpu_read(2, , pcp)
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#define raw_cpu_read_4(pcp) __raw_cpu_read(4, , pcp)
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#define raw_cpu_write_1(pcp, val) __raw_cpu_write(1, , pcp, val)
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#define raw_cpu_write_2(pcp, val) __raw_cpu_write(2, , pcp, val)
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#define raw_cpu_write_4(pcp, val) __raw_cpu_write(4, , pcp, val)
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#define this_cpu_read_1(pcp) __raw_cpu_read(1, volatile, pcp)
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#define this_cpu_read_2(pcp) __raw_cpu_read(2, volatile, pcp)
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#define this_cpu_read_4(pcp) __raw_cpu_read(4, volatile, pcp)
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#define this_cpu_write_1(pcp, val) __raw_cpu_write(1, volatile, pcp, val)
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#define this_cpu_write_2(pcp, val) __raw_cpu_write(2, volatile, pcp, val)
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#define this_cpu_write_4(pcp, val) __raw_cpu_write(4, volatile, pcp, val)
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#define this_cpu_read_1(pcp) __raw_cpu_read(1, volatile, pcp)
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#define this_cpu_read_2(pcp) __raw_cpu_read(2, volatile, pcp)
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#define this_cpu_read_4(pcp) __raw_cpu_read(4, volatile, pcp)
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#define this_cpu_write_1(pcp, val) __raw_cpu_write(1, volatile, pcp, val)
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#define this_cpu_write_2(pcp, val) __raw_cpu_write(2, volatile, pcp, val)
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#define this_cpu_write_4(pcp, val) __raw_cpu_write(4, volatile, pcp, val)
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#define this_cpu_read_stable_1(pcp) __raw_cpu_read_stable(1, pcp)
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#define this_cpu_read_stable_2(pcp) __raw_cpu_read_stable(2, pcp)
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#define this_cpu_read_stable_4(pcp) __raw_cpu_read_stable(4, pcp)
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#define this_cpu_read_stable_1(pcp) __raw_cpu_read_stable(1, pcp)
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#define this_cpu_read_stable_2(pcp) __raw_cpu_read_stable(2, pcp)
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#define this_cpu_read_stable_4(pcp) __raw_cpu_read_stable(4, pcp)
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#define raw_cpu_add_1(pcp, val) percpu_add_op(1, , (pcp), val)
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#define raw_cpu_add_2(pcp, val) percpu_add_op(2, , (pcp), val)
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#define raw_cpu_add_4(pcp, val) percpu_add_op(4, , (pcp), val)
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#define raw_cpu_and_1(pcp, val) percpu_binary_op(1, , "and", (pcp), val)
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#define raw_cpu_and_2(pcp, val) percpu_binary_op(2, , "and", (pcp), val)
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#define raw_cpu_and_4(pcp, val) percpu_binary_op(4, , "and", (pcp), val)
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#define raw_cpu_or_1(pcp, val) percpu_binary_op(1, , "or", (pcp), val)
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#define raw_cpu_or_2(pcp, val) percpu_binary_op(2, , "or", (pcp), val)
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#define raw_cpu_or_4(pcp, val) percpu_binary_op(4, , "or", (pcp), val)
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#define raw_cpu_xchg_1(pcp, val) raw_percpu_xchg_op(pcp, val)
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#define raw_cpu_xchg_2(pcp, val) raw_percpu_xchg_op(pcp, val)
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#define raw_cpu_xchg_4(pcp, val) raw_percpu_xchg_op(pcp, val)
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#define raw_cpu_add_1(pcp, val) percpu_add_op(1, , (pcp), val)
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#define raw_cpu_add_2(pcp, val) percpu_add_op(2, , (pcp), val)
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#define raw_cpu_add_4(pcp, val) percpu_add_op(4, , (pcp), val)
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#define raw_cpu_and_1(pcp, val) percpu_binary_op(1, , "and", (pcp), val)
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#define raw_cpu_and_2(pcp, val) percpu_binary_op(2, , "and", (pcp), val)
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#define raw_cpu_and_4(pcp, val) percpu_binary_op(4, , "and", (pcp), val)
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#define raw_cpu_or_1(pcp, val) percpu_binary_op(1, , "or", (pcp), val)
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#define raw_cpu_or_2(pcp, val) percpu_binary_op(2, , "or", (pcp), val)
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#define raw_cpu_or_4(pcp, val) percpu_binary_op(4, , "or", (pcp), val)
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#define raw_cpu_xchg_1(pcp, val) raw_percpu_xchg_op(pcp, val)
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#define raw_cpu_xchg_2(pcp, val) raw_percpu_xchg_op(pcp, val)
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#define raw_cpu_xchg_4(pcp, val) raw_percpu_xchg_op(pcp, val)
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#define this_cpu_add_1(pcp, val) percpu_add_op(1, volatile, (pcp), val)
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#define this_cpu_add_2(pcp, val) percpu_add_op(2, volatile, (pcp), val)
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#define this_cpu_add_4(pcp, val) percpu_add_op(4, volatile, (pcp), val)
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#define this_cpu_and_1(pcp, val) percpu_binary_op(1, volatile, "and", (pcp), val)
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#define this_cpu_and_2(pcp, val) percpu_binary_op(2, volatile, "and", (pcp), val)
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#define this_cpu_and_4(pcp, val) percpu_binary_op(4, volatile, "and", (pcp), val)
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#define this_cpu_or_1(pcp, val) percpu_binary_op(1, volatile, "or", (pcp), val)
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#define this_cpu_or_2(pcp, val) percpu_binary_op(2, volatile, "or", (pcp), val)
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#define this_cpu_or_4(pcp, val) percpu_binary_op(4, volatile, "or", (pcp), val)
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#define this_cpu_xchg_1(pcp, nval) this_percpu_xchg_op(pcp, nval)
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#define this_cpu_xchg_2(pcp, nval) this_percpu_xchg_op(pcp, nval)
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#define this_cpu_xchg_4(pcp, nval) this_percpu_xchg_op(pcp, nval)
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#define this_cpu_add_1(pcp, val) percpu_add_op(1, volatile, (pcp), val)
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#define this_cpu_add_2(pcp, val) percpu_add_op(2, volatile, (pcp), val)
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#define this_cpu_add_4(pcp, val) percpu_add_op(4, volatile, (pcp), val)
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#define this_cpu_and_1(pcp, val) percpu_binary_op(1, volatile, "and", (pcp), val)
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#define this_cpu_and_2(pcp, val) percpu_binary_op(2, volatile, "and", (pcp), val)
|
||||
#define this_cpu_and_4(pcp, val) percpu_binary_op(4, volatile, "and", (pcp), val)
|
||||
#define this_cpu_or_1(pcp, val) percpu_binary_op(1, volatile, "or", (pcp), val)
|
||||
#define this_cpu_or_2(pcp, val) percpu_binary_op(2, volatile, "or", (pcp), val)
|
||||
#define this_cpu_or_4(pcp, val) percpu_binary_op(4, volatile, "or", (pcp), val)
|
||||
#define this_cpu_xchg_1(pcp, nval) this_percpu_xchg_op(pcp, nval)
|
||||
#define this_cpu_xchg_2(pcp, nval) this_percpu_xchg_op(pcp, nval)
|
||||
#define this_cpu_xchg_4(pcp, nval) this_percpu_xchg_op(pcp, nval)
|
||||
|
||||
#define raw_cpu_add_return_1(pcp, val) percpu_add_return_op(1, , pcp, val)
|
||||
#define raw_cpu_add_return_2(pcp, val) percpu_add_return_op(2, , pcp, val)
|
||||
#define raw_cpu_add_return_4(pcp, val) percpu_add_return_op(4, , pcp, val)
|
||||
#define raw_cpu_cmpxchg_1(pcp, oval, nval) percpu_cmpxchg_op(1, , pcp, oval, nval)
|
||||
#define raw_cpu_cmpxchg_2(pcp, oval, nval) percpu_cmpxchg_op(2, , pcp, oval, nval)
|
||||
#define raw_cpu_cmpxchg_4(pcp, oval, nval) percpu_cmpxchg_op(4, , pcp, oval, nval)
|
||||
#define raw_cpu_try_cmpxchg_1(pcp, ovalp, nval) percpu_try_cmpxchg_op(1, , pcp, ovalp, nval)
|
||||
#define raw_cpu_try_cmpxchg_2(pcp, ovalp, nval) percpu_try_cmpxchg_op(2, , pcp, ovalp, nval)
|
||||
#define raw_cpu_try_cmpxchg_4(pcp, ovalp, nval) percpu_try_cmpxchg_op(4, , pcp, ovalp, nval)
|
||||
#define raw_cpu_add_return_1(pcp, val) percpu_add_return_op(1, , pcp, val)
|
||||
#define raw_cpu_add_return_2(pcp, val) percpu_add_return_op(2, , pcp, val)
|
||||
#define raw_cpu_add_return_4(pcp, val) percpu_add_return_op(4, , pcp, val)
|
||||
#define raw_cpu_cmpxchg_1(pcp, oval, nval) percpu_cmpxchg_op(1, , pcp, oval, nval)
|
||||
#define raw_cpu_cmpxchg_2(pcp, oval, nval) percpu_cmpxchg_op(2, , pcp, oval, nval)
|
||||
#define raw_cpu_cmpxchg_4(pcp, oval, nval) percpu_cmpxchg_op(4, , pcp, oval, nval)
|
||||
#define raw_cpu_try_cmpxchg_1(pcp, ovalp, nval) percpu_try_cmpxchg_op(1, , pcp, ovalp, nval)
|
||||
#define raw_cpu_try_cmpxchg_2(pcp, ovalp, nval) percpu_try_cmpxchg_op(2, , pcp, ovalp, nval)
|
||||
#define raw_cpu_try_cmpxchg_4(pcp, ovalp, nval) percpu_try_cmpxchg_op(4, , pcp, ovalp, nval)
|
||||
|
||||
#define this_cpu_add_return_1(pcp, val) percpu_add_return_op(1, volatile, pcp, val)
|
||||
#define this_cpu_add_return_2(pcp, val) percpu_add_return_op(2, volatile, pcp, val)
|
||||
#define this_cpu_add_return_4(pcp, val) percpu_add_return_op(4, volatile, pcp, val)
|
||||
#define this_cpu_cmpxchg_1(pcp, oval, nval) percpu_cmpxchg_op(1, volatile, pcp, oval, nval)
|
||||
#define this_cpu_cmpxchg_2(pcp, oval, nval) percpu_cmpxchg_op(2, volatile, pcp, oval, nval)
|
||||
#define this_cpu_cmpxchg_4(pcp, oval, nval) percpu_cmpxchg_op(4, volatile, pcp, oval, nval)
|
||||
#define this_cpu_add_return_1(pcp, val) percpu_add_return_op(1, volatile, pcp, val)
|
||||
#define this_cpu_add_return_2(pcp, val) percpu_add_return_op(2, volatile, pcp, val)
|
||||
#define this_cpu_add_return_4(pcp, val) percpu_add_return_op(4, volatile, pcp, val)
|
||||
#define this_cpu_cmpxchg_1(pcp, oval, nval) percpu_cmpxchg_op(1, volatile, pcp, oval, nval)
|
||||
#define this_cpu_cmpxchg_2(pcp, oval, nval) percpu_cmpxchg_op(2, volatile, pcp, oval, nval)
|
||||
#define this_cpu_cmpxchg_4(pcp, oval, nval) percpu_cmpxchg_op(4, volatile, pcp, oval, nval)
|
||||
#define this_cpu_try_cmpxchg_1(pcp, ovalp, nval) percpu_try_cmpxchg_op(1, volatile, pcp, ovalp, nval)
|
||||
#define this_cpu_try_cmpxchg_2(pcp, ovalp, nval) percpu_try_cmpxchg_op(2, volatile, pcp, ovalp, nval)
|
||||
#define this_cpu_try_cmpxchg_4(pcp, ovalp, nval) percpu_try_cmpxchg_op(4, volatile, pcp, ovalp, nval)
|
||||
@@ -520,42 +538,43 @@ do { \
|
||||
* 32-bit kernels must fall back to generic operations.
|
||||
*/
|
||||
#ifdef CONFIG_X86_64
|
||||
#define raw_cpu_read_8(pcp) __raw_cpu_read(8, , pcp)
|
||||
#define raw_cpu_write_8(pcp, val) __raw_cpu_write(8, , pcp, val)
|
||||
|
||||
#define this_cpu_read_8(pcp) __raw_cpu_read(8, volatile, pcp)
|
||||
#define this_cpu_write_8(pcp, val) __raw_cpu_write(8, volatile, pcp, val)
|
||||
#define raw_cpu_read_8(pcp) __raw_cpu_read(8, , pcp)
|
||||
#define raw_cpu_write_8(pcp, val) __raw_cpu_write(8, , pcp, val)
|
||||
|
||||
#define this_cpu_read_stable_8(pcp) __raw_cpu_read_stable(8, pcp)
|
||||
#define this_cpu_read_8(pcp) __raw_cpu_read(8, volatile, pcp)
|
||||
#define this_cpu_write_8(pcp, val) __raw_cpu_write(8, volatile, pcp, val)
|
||||
|
||||
#define raw_cpu_add_8(pcp, val) percpu_add_op(8, , (pcp), val)
|
||||
#define raw_cpu_and_8(pcp, val) percpu_binary_op(8, , "and", (pcp), val)
|
||||
#define raw_cpu_or_8(pcp, val) percpu_binary_op(8, , "or", (pcp), val)
|
||||
#define raw_cpu_add_return_8(pcp, val) percpu_add_return_op(8, , pcp, val)
|
||||
#define raw_cpu_xchg_8(pcp, nval) raw_percpu_xchg_op(pcp, nval)
|
||||
#define raw_cpu_cmpxchg_8(pcp, oval, nval) percpu_cmpxchg_op(8, , pcp, oval, nval)
|
||||
#define raw_cpu_try_cmpxchg_8(pcp, ovalp, nval) percpu_try_cmpxchg_op(8, , pcp, ovalp, nval)
|
||||
#define this_cpu_read_stable_8(pcp) __raw_cpu_read_stable(8, pcp)
|
||||
|
||||
#define this_cpu_add_8(pcp, val) percpu_add_op(8, volatile, (pcp), val)
|
||||
#define this_cpu_and_8(pcp, val) percpu_binary_op(8, volatile, "and", (pcp), val)
|
||||
#define this_cpu_or_8(pcp, val) percpu_binary_op(8, volatile, "or", (pcp), val)
|
||||
#define this_cpu_add_return_8(pcp, val) percpu_add_return_op(8, volatile, pcp, val)
|
||||
#define this_cpu_xchg_8(pcp, nval) this_percpu_xchg_op(pcp, nval)
|
||||
#define this_cpu_cmpxchg_8(pcp, oval, nval) percpu_cmpxchg_op(8, volatile, pcp, oval, nval)
|
||||
#define raw_cpu_add_8(pcp, val) percpu_add_op(8, , (pcp), val)
|
||||
#define raw_cpu_and_8(pcp, val) percpu_binary_op(8, , "and", (pcp), val)
|
||||
#define raw_cpu_or_8(pcp, val) percpu_binary_op(8, , "or", (pcp), val)
|
||||
#define raw_cpu_add_return_8(pcp, val) percpu_add_return_op(8, , pcp, val)
|
||||
#define raw_cpu_xchg_8(pcp, nval) raw_percpu_xchg_op(pcp, nval)
|
||||
#define raw_cpu_cmpxchg_8(pcp, oval, nval) percpu_cmpxchg_op(8, , pcp, oval, nval)
|
||||
#define raw_cpu_try_cmpxchg_8(pcp, ovalp, nval) percpu_try_cmpxchg_op(8, , pcp, ovalp, nval)
|
||||
|
||||
#define this_cpu_add_8(pcp, val) percpu_add_op(8, volatile, (pcp), val)
|
||||
#define this_cpu_and_8(pcp, val) percpu_binary_op(8, volatile, "and", (pcp), val)
|
||||
#define this_cpu_or_8(pcp, val) percpu_binary_op(8, volatile, "or", (pcp), val)
|
||||
#define this_cpu_add_return_8(pcp, val) percpu_add_return_op(8, volatile, pcp, val)
|
||||
#define this_cpu_xchg_8(pcp, nval) this_percpu_xchg_op(pcp, nval)
|
||||
#define this_cpu_cmpxchg_8(pcp, oval, nval) percpu_cmpxchg_op(8, volatile, pcp, oval, nval)
|
||||
#define this_cpu_try_cmpxchg_8(pcp, ovalp, nval) percpu_try_cmpxchg_op(8, volatile, pcp, ovalp, nval)
|
||||
|
||||
#define raw_cpu_read_long(pcp) raw_cpu_read_8(pcp)
|
||||
#define raw_cpu_read_long(pcp) raw_cpu_read_8(pcp)
|
||||
|
||||
#else /* !CONFIG_X86_64: */
|
||||
|
||||
/* There is no generic 64-bit read stable operation for 32-bit targets. */
|
||||
#define this_cpu_read_stable_8(pcp) ({ BUILD_BUG(); (typeof(pcp))0; })
|
||||
#define this_cpu_read_stable_8(pcp) ({ BUILD_BUG(); (typeof(pcp))0; })
|
||||
|
||||
#define raw_cpu_read_long(pcp) raw_cpu_read_4(pcp)
|
||||
#define raw_cpu_read_long(pcp) raw_cpu_read_4(pcp)
|
||||
|
||||
#endif /* CONFIG_X86_64 */
|
||||
|
||||
#define this_cpu_read_const(pcp) __raw_cpu_read_const(pcp)
|
||||
#define this_cpu_read_const(pcp) __raw_cpu_read_const(pcp)
|
||||
|
||||
/*
|
||||
* this_cpu_read() makes the compiler load the per-CPU variable every time
|
||||
@@ -566,30 +585,31 @@ do { \
|
||||
* actually per-thread variables implemented as per-CPU variables and
|
||||
* thus stable for the duration of the respective task.
|
||||
*/
|
||||
#define this_cpu_read_stable(pcp) __pcpu_size_call_return(this_cpu_read_stable_, pcp)
|
||||
#define this_cpu_read_stable(pcp) __pcpu_size_call_return(this_cpu_read_stable_, pcp)
|
||||
|
||||
#define x86_this_cpu_constant_test_bit(_nr, _var) \
|
||||
({ \
|
||||
unsigned long __percpu *addr__ = \
|
||||
(unsigned long __percpu *)&(_var) + ((_nr) / BITS_PER_LONG); \
|
||||
\
|
||||
!!((1UL << ((_nr) % BITS_PER_LONG)) & raw_cpu_read(*addr__)); \
|
||||
})
|
||||
|
||||
#define x86_this_cpu_variable_test_bit(_nr, _var) \
|
||||
({ \
|
||||
bool oldbit; \
|
||||
\
|
||||
asm volatile("btl %[nr], " __percpu_arg([var]) \
|
||||
CC_SET(c) \
|
||||
: CC_OUT(c) (oldbit) \
|
||||
: [var] "m" (__my_cpu_var(_var)), \
|
||||
[nr] "rI" (_nr)); \
|
||||
oldbit; \
|
||||
#define x86_this_cpu_variable_test_bit(_nr, _var) \
|
||||
({ \
|
||||
bool oldbit; \
|
||||
\
|
||||
asm volatile("btl %[nr], " __percpu_arg([var]) \
|
||||
CC_SET(c) \
|
||||
: CC_OUT(c) (oldbit) \
|
||||
: [var] "m" (__my_cpu_var(_var)), \
|
||||
[nr] "rI" (_nr)); \
|
||||
oldbit; \
|
||||
})
|
||||
|
||||
#define x86_this_cpu_test_bit(_nr, _var) \
|
||||
(__builtin_constant_p(_nr) \
|
||||
? x86_this_cpu_constant_test_bit(_nr, _var) \
|
||||
#define x86_this_cpu_test_bit(_nr, _var) \
|
||||
(__builtin_constant_p(_nr) \
|
||||
? x86_this_cpu_constant_test_bit(_nr, _var) \
|
||||
: x86_this_cpu_variable_test_bit(_nr, _var))
|
||||
|
||||
|
||||
@@ -620,46 +640,47 @@ DECLARE_PER_CPU_READ_MOSTLY(unsigned long, this_cpu_off);
|
||||
{ [0 ... NR_CPUS-1] = _initvalue }; \
|
||||
__typeof__(_type) *_name##_early_ptr __refdata = _name##_early_map
|
||||
|
||||
#define EXPORT_EARLY_PER_CPU_SYMBOL(_name) \
|
||||
#define EXPORT_EARLY_PER_CPU_SYMBOL(_name) \
|
||||
EXPORT_PER_CPU_SYMBOL(_name)
|
||||
|
||||
#define DECLARE_EARLY_PER_CPU(_type, _name) \
|
||||
DECLARE_PER_CPU(_type, _name); \
|
||||
extern __typeof__(_type) *_name##_early_ptr; \
|
||||
#define DECLARE_EARLY_PER_CPU(_type, _name) \
|
||||
DECLARE_PER_CPU(_type, _name); \
|
||||
extern __typeof__(_type) *_name##_early_ptr; \
|
||||
extern __typeof__(_type) _name##_early_map[]
|
||||
|
||||
#define DECLARE_EARLY_PER_CPU_READ_MOSTLY(_type, _name) \
|
||||
DECLARE_PER_CPU_READ_MOSTLY(_type, _name); \
|
||||
extern __typeof__(_type) *_name##_early_ptr; \
|
||||
#define DECLARE_EARLY_PER_CPU_READ_MOSTLY(_type, _name) \
|
||||
DECLARE_PER_CPU_READ_MOSTLY(_type, _name); \
|
||||
extern __typeof__(_type) *_name##_early_ptr; \
|
||||
extern __typeof__(_type) _name##_early_map[]
|
||||
|
||||
#define early_per_cpu_ptr(_name) (_name##_early_ptr)
|
||||
#define early_per_cpu_map(_name, _idx) (_name##_early_map[_idx])
|
||||
#define early_per_cpu(_name, _cpu) \
|
||||
*(early_per_cpu_ptr(_name) ? \
|
||||
&early_per_cpu_ptr(_name)[_cpu] : \
|
||||
#define early_per_cpu_ptr(_name) (_name##_early_ptr)
|
||||
#define early_per_cpu_map(_name, _idx) (_name##_early_map[_idx])
|
||||
|
||||
#define early_per_cpu(_name, _cpu) \
|
||||
*(early_per_cpu_ptr(_name) ? \
|
||||
&early_per_cpu_ptr(_name)[_cpu] : \
|
||||
&per_cpu(_name, _cpu))
|
||||
|
||||
#else /* !CONFIG_SMP: */
|
||||
#define DEFINE_EARLY_PER_CPU(_type, _name, _initvalue) \
|
||||
#define DEFINE_EARLY_PER_CPU(_type, _name, _initvalue) \
|
||||
DEFINE_PER_CPU(_type, _name) = _initvalue
|
||||
|
||||
#define DEFINE_EARLY_PER_CPU_READ_MOSTLY(_type, _name, _initvalue) \
|
||||
DEFINE_PER_CPU_READ_MOSTLY(_type, _name) = _initvalue
|
||||
|
||||
#define EXPORT_EARLY_PER_CPU_SYMBOL(_name) \
|
||||
#define EXPORT_EARLY_PER_CPU_SYMBOL(_name) \
|
||||
EXPORT_PER_CPU_SYMBOL(_name)
|
||||
|
||||
#define DECLARE_EARLY_PER_CPU(_type, _name) \
|
||||
#define DECLARE_EARLY_PER_CPU(_type, _name) \
|
||||
DECLARE_PER_CPU(_type, _name)
|
||||
|
||||
#define DECLARE_EARLY_PER_CPU_READ_MOSTLY(_type, _name) \
|
||||
#define DECLARE_EARLY_PER_CPU_READ_MOSTLY(_type, _name) \
|
||||
DECLARE_PER_CPU_READ_MOSTLY(_type, _name)
|
||||
|
||||
#define early_per_cpu(_name, _cpu) per_cpu(_name, _cpu)
|
||||
#define early_per_cpu_ptr(_name) NULL
|
||||
#define early_per_cpu(_name, _cpu) per_cpu(_name, _cpu)
|
||||
#define early_per_cpu_ptr(_name) NULL
|
||||
/* no early_per_cpu_map() */
|
||||
|
||||
#endif /* CONFIG_SMP */
|
||||
#endif /* !CONFIG_SMP */
|
||||
|
||||
#endif /* _ASM_X86_PERCPU_H */
|
||||
|
||||
Reference in New Issue
Block a user