x86 atomic.h: remove obsoleted comment
Modules no longer call kernel functions for atomic ops, and since the previous commit, we always use lock prefix. Submitted by: Elliott Mitchell <ehem+freebsd@m5p.com> Reviewed by: jhb, markj MFC after: 1 week Differential revision: https://reviews.freebsd.org/D34153
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@ -102,14 +102,6 @@
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* atomic_readandclear_long(P) (return (*(u_long *)(P)); *(u_long *)(P) = 0;)
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*/
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/*
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* The above functions are expanded inline in the statically-linked
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* kernel. Lock prefixes are generated if an SMP kernel is being
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* built.
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*
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* Kernel modules call real functions which are built into the kernel.
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* This allows kernel modules to be portable between UP and SMP systems.
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*/
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#if !defined(__GNUCLIKE_ASM)
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#define ATOMIC_ASM(NAME, TYPE, OP, CONS, V) \
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void atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v); \
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@ -96,14 +96,6 @@ __mbu(void)
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* atomic_readandclear_long(P) (return (*(u_long *)(P)); *(u_long *)(P) = 0;)
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*/
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/*
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* The above functions are expanded inline in the statically-linked
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* kernel. Lock prefixes are generated if an SMP kernel is being
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* built.
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*
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* Kernel modules call real functions which are built into the kernel.
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* This allows kernel modules to be portable between UP and SMP systems.
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*/
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#if !defined(__GNUCLIKE_ASM)
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#define ATOMIC_ASM(NAME, TYPE, OP, CONS, V) \
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void atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v); \
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