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Bring i386 up to date with amd64 and others.

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The macros for PCPU can be slightly simplified, which makes the
resulting tangle qa lot easier to understand when trying to read them.

MFC after:	4 weeks
This commit is contained in:
Julian Elischer 2009-09-04 05:40:06 +00:00
parent a6b8e0e915
commit 02c41ee985
1 changed files with 5 additions and 5 deletions
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10
sys/i386/include/pcpu.h
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@ -152,7 +152,7 @@ extern struct pcpu *pcpup;
#define __PCPU_GET(name) __extension__ ({ \
__pcpu_type(name) __res; \
struct __s { \
u_char __b[MIN(sizeof(__pcpu_type(name)), 4)]; \
u_char __b[MIN(sizeof(__res), 4)]; \
} __s; \
\
if (sizeof(__res) == 1 || sizeof(__res) == 2 || \
@ -174,7 +174,7 @@ extern struct pcpu *pcpup;
#define __PCPU_ADD(name, val) do { \
__pcpu_type(name) __val; \
struct __s { \
u_char __b[MIN(sizeof(__pcpu_type(name)), 4)]; \
u_char __b[MIN(sizeof(__val), 4)]; \
} __s; \
\
__val = (val); \
@ -214,10 +214,10 @@ extern struct pcpu *pcpup;
/*
* Sets the value of the per-cpu variable name to value val.
*/
#define __PCPU_SET(name, val) { \
#define __PCPU_SET(name, val) do { \
__pcpu_type(name) __val; \
struct __s { \
u_char __b[MIN(sizeof(__pcpu_type(name)), 4)]; \
u_char __b[MIN(sizeof(__val), 4)]; \
} __s; \
\
__val = (val); \
@ -230,7 +230,7 @@ extern struct pcpu *pcpup;
} else { \
*__PCPU_PTR(name) = __val; \
} \
}
} while (0)
#define PCPU_GET(member) __PCPU_GET(pc_ ## member)
#define PCPU_ADD(member, val) __PCPU_ADD(pc_ ## member, val)