forked from luck/tmp_suning_uos_patched
x86: fix percpu_{to,from}_op()
- the byte operand constraints were wrong for 32-bit - the to-op's input operands weren't properly parenthesized [ Impact: fix possible miscompilation or build failure ] Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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917a015362
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@ -82,22 +82,22 @@ do { \
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case 1: \
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asm(op "b %1,"__percpu_arg(0) \
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: "+m" (var) \
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: "ri" ((T__)val)); \
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: "qi" ((T__)(val))); \
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break; \
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case 2: \
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asm(op "w %1,"__percpu_arg(0) \
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: "+m" (var) \
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: "ri" ((T__)val)); \
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: "ri" ((T__)(val))); \
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break; \
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case 4: \
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asm(op "l %1,"__percpu_arg(0) \
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: "+m" (var) \
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: "ri" ((T__)val)); \
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: "ri" ((T__)(val))); \
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break; \
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case 8: \
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asm(op "q %1,"__percpu_arg(0) \
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: "+m" (var) \
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: "re" ((T__)val)); \
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: "re" ((T__)(val))); \
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break; \
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default: __bad_percpu_size(); \
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} \
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@ -109,7 +109,7 @@ do { \
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switch (sizeof(var)) { \
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case 1: \
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asm(op "b "__percpu_arg(1)",%0" \
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: "=r" (ret__) \
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: "=q" (ret__) \
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: "m" (var)); \
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break; \
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case 2: \
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