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Kirill Smelkov
linux
Commits
43f94bc4
Commit
43f94bc4
authored
Nov 19, 2002
by
Pete Zaitcev
Committed by
David S. Miller
Nov 19, 2002
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[SPARC]: Fix finish_arch_switch and factor PIL users.
parent
4a78d644
Changes
1
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1 changed file
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5 additions
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24 deletions
+5
-24
include/asm-sparc/system.h
include/asm-sparc/system.h
+5
-24
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include/asm-sparc/system.h
View file @
43f94bc4
...
@@ -123,7 +123,7 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
...
@@ -123,7 +123,7 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
"save %sp, -0x40, %sp\n\t" \
"save %sp, -0x40, %sp\n\t" \
"restore; restore; restore; restore; restore; restore; restore"); \
"restore; restore; restore; restore; restore; restore; restore"); \
} while(0)
} while(0)
#define finish_arch_switch(rq, next)
do{ }while(0
)
#define finish_arch_switch(rq, next)
spin_unlock_irq(&(rq)->lock
)
#define task_running(rq, p) ((rq)->curr == (p))
#define task_running(rq, p) ((rq)->curr == (p))
/* Much care has gone into this code, do not touch it.
/* Much care has gone into this code, do not touch it.
...
@@ -195,21 +195,6 @@ extern __inline__ void setipl(unsigned long __orig_psr)
...
@@ -195,21 +195,6 @@ extern __inline__ void setipl(unsigned long __orig_psr)
:
"memory"
,
"cc"
);
:
"memory"
,
"cc"
);
}
}
extern
__inline__
void
local_irq_disable
(
void
)
{
unsigned
long
tmp
;
__asm__
__volatile__
(
"rd %%psr, %0
\n\t
"
"nop; nop; nop;
\n\t
"
/* Sun4m + Cypress + SMP bug */
"or %0, %1, %0
\n\t
"
"wr %0, 0x0, %%psr
\n\t
"
"nop; nop; nop
\n
"
:
"=r"
(
tmp
)
:
"i"
(
PSR_PIL
)
:
"memory"
);
}
extern
__inline__
void
local_irq_enable
(
void
)
extern
__inline__
void
local_irq_enable
(
void
)
{
{
unsigned
long
tmp
;
unsigned
long
tmp
;
...
@@ -233,6 +218,7 @@ extern __inline__ unsigned long getipl(void)
...
@@ -233,6 +218,7 @@ extern __inline__ unsigned long getipl(void)
return
retval
;
return
retval
;
}
}
#if 0 /* not used */
extern __inline__ unsigned long swap_pil(unsigned long __new_psr)
extern __inline__ unsigned long swap_pil(unsigned long __new_psr)
{
{
unsigned long retval;
unsigned long retval;
...
@@ -254,6 +240,7 @@ extern __inline__ unsigned long swap_pil(unsigned long __new_psr)
...
@@ -254,6 +240,7 @@ extern __inline__ unsigned long swap_pil(unsigned long __new_psr)
return retval;
return retval;
}
}
#endif
extern
__inline__
unsigned
long
read_psr_and_cli
(
void
)
extern
__inline__
unsigned
long
read_psr_and_cli
(
void
)
{
{
...
@@ -275,15 +262,9 @@ extern __inline__ unsigned long read_psr_and_cli(void)
...
@@ -275,15 +262,9 @@ extern __inline__ unsigned long read_psr_and_cli(void)
#define local_save_flags(flags) ((flags) = getipl())
#define local_save_flags(flags) ((flags) = getipl())
#define local_irq_save(flags) ((flags) = read_psr_and_cli())
#define local_irq_save(flags) ((flags) = read_psr_and_cli())
#define local_irq_restore(flags) setipl((flags))
#define local_irq_restore(flags) setipl((flags))
#define local_irq_disable() ((void) read_psr_and_cli())
/* On sparc32 IRQ flags are the PSR register in the PSR_PIL
#define irqs_disabled() ((getipl() & PSR_PIL) != 0)
* field.
*/
#define irqs_disabled() \
({ unsigned long flags; \
local_save_flags(flags);\
(flags & PSR_PIL) != 0; \
})
#ifdef CONFIG_SMP
#ifdef CONFIG_SMP
...
...
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