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| author | Konstantin Belousov <kib@FreeBSD.org> | 2022-02-03 17:46:22 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2022-02-04 12:01:39 +0000 |
| commit | 9596b349bb57e50a2baec8497ced9f712f08f147 (patch) | |
| tree | c4cb587cd86e6665130fa51364d1d42a068f087d | |
| parent | 9c0b759bf9b520537616d026f21a0a98d70acd11 (diff) | |
| download | src-9596b349bb57e50a2baec8497ced9f712f08f147.tar.gz src-9596b349bb57e50a2baec8497ced9f712f08f147.zip | |
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
| -rw-r--r-- | sys/amd64/include/atomic.h | 8 | ||||
| -rw-r--r-- | sys/i386/include/atomic.h | 8 |
2 files changed, 0 insertions, 16 deletions
diff --git a/sys/amd64/include/atomic.h b/sys/amd64/include/atomic.h index f0191970e8cc..d61fb359e261 100644 --- a/sys/amd64/include/atomic.h +++ b/sys/amd64/include/atomic.h @@ -102,14 +102,6 @@ * atomic_readandclear_long(P) (return (*(u_long *)(P)); *(u_long *)(P) = 0;) */ -/* - * The above functions are expanded inline in the statically-linked - * kernel. Lock prefixes are generated if an SMP kernel is being - * built. - * - * Kernel modules call real functions which are built into the kernel. - * This allows kernel modules to be portable between UP and SMP systems. - */ #if !defined(__GNUCLIKE_ASM) #define ATOMIC_ASM(NAME, TYPE, OP, CONS, V) \ void atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v); \ diff --git a/sys/i386/include/atomic.h b/sys/i386/include/atomic.h index 2e72de935c23..154144a470c6 100644 --- a/sys/i386/include/atomic.h +++ b/sys/i386/include/atomic.h @@ -96,14 +96,6 @@ __mbu(void) * atomic_readandclear_long(P) (return (*(u_long *)(P)); *(u_long *)(P) = 0;) */ -/* - * The above functions are expanded inline in the statically-linked - * kernel. Lock prefixes are generated if an SMP kernel is being - * built. - * - * Kernel modules call real functions which are built into the kernel. - * This allows kernel modules to be portable between UP and SMP systems. - */ #if !defined(__GNUCLIKE_ASM) #define ATOMIC_ASM(NAME, TYPE, OP, CONS, V) \ void atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v); \ |