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Arrange to inline hardsplx() into raisespl() and lowerspl(). This should

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make them slightly faster, and makes it easier to see how much of the time
apparently spent in hardsplx() actually comes from deferred statclock
interrupts.
This commit is contained in:
bjh21 2001-05-01 22:19:09 +00:00
parent 5652bfe409
commit 4928854ae3
1 changed files with 22 additions and 20 deletions
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42
sys/arch/arm26/arm26/irq.c
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@ -1,4 +1,4 @@
/* $NetBSD: irq.c,v 1.17 2001/04/21 18:51:17 bjh21 Exp $ */
/* $NetBSD: irq.c,v 1.18 2001/05/01 22:19:09 bjh21 Exp $ */
/*-
* Copyright (c) 2000, 2001 Ben Harris
@ -33,7 +33,7 @@
#include <sys/param.h>
__RCSID("$NetBSD: irq.c,v 1.17 2001/04/21 18:51:17 bjh21 Exp $");
__RCSID("$NetBSD: irq.c,v 1.18 2001/05/01 22:19:09 bjh21 Exp $");
#include <sys/device.h>
#include <sys/kernel.h> /* for cold */
@ -98,6 +98,8 @@ struct irq_handler {
volatile static int current_spl = IPL_HIGH;
__inline int hardsplx(int);
void
irq_init(void)
{
@ -286,6 +288,24 @@ void irq_genmasks()
splx(s);
}
__inline int
hardsplx(int s)
{
int was;
int_off();
was = current_spl;
/* Don't try this till we've found the IOC */
if (the_ioc != NULL)
ioc_irq_setmask(irqmask[s]);
#if NUNIXBP > 0
unixbp_irq_setmask(irqmask[s] >> IRQ_UNIXBP_BASE);
#endif
current_spl = s;
int_on();
return was;
}
int
raisespl(int s)
{
@ -306,24 +326,6 @@ lowerspl(int s)
}
}
int
hardsplx(int s)
{
int was;
int_off();
was = current_spl;
/* Don't try this till we've found the IOC */
if (the_ioc != NULL)
ioc_irq_setmask(irqmask[s]);
#if NUNIXBP > 0
unixbp_irq_setmask(irqmask[s] >> IRQ_UNIXBP_BASE);
#endif
current_spl = s;
int_on();
return was;
}
#ifdef DDB
void
irq_stat(void (*pr)(const char *, ...))