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Remove safepri and use IPL_SAFEPRI instead. This may be defined in a MD

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header file (if not, a value of 0 is assmued).
This commit is contained in:
matt 2012-07-27 05:36:09 +00:00
parent c476e7cf03
commit f96ef7b3c5
24 changed files with 76 additions and 145 deletions
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9
sys/arch/amiga/amiga/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.237 2011/12/15 14:25:12 phx Exp $ */
/* $NetBSD: machdep.c,v 1.238 2012/07/27 05:36:09 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -48,7 +48,7 @@
#include "opt_m68k_arch.h"
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.237 2011/12/15 14:25:12 phx Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.238 2012/07/27 05:36:09 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -138,11 +138,6 @@ int machineid;
int maxmem; /* max memory per process */
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern int freebufspace;
extern u_int lowram;

5
sys/arch/arm/arm32/intr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: intr.c,v 1.32 2010/12/20 00:25:27 matt Exp $ */
/* $NetBSD: intr.c,v 1.33 2012/07/27 05:36:09 matt Exp $ */
/*
* Copyright (c) 1994-1998 Mark Brinicombe.
@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.32 2010/12/20 00:25:27 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.33 2012/07/27 05:36:09 matt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -50,7 +50,6 @@ __KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.32 2010/12/20 00:25:27 matt Exp $");
#include <arm/arm32/machdep.h>
u_int spl_masks[NIPL];
int safepri = IPL_NONE;
extern u_int irqmasks[];

4
sys/arch/arm/include/arm32/psl.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: psl.h,v 1.18 2009/01/29 20:54:52 nonaka Exp $ */
/* $NetBSD: psl.h,v 1.19 2012/07/27 05:36:09 matt Exp $ */
/*
* Copyright (c) 1995 Mark Brinicombe.
@ -62,6 +62,8 @@
#define splsched() raisespl(IPL_SCHED)
#define splhigh() raisespl(IPL_HIGH)
#define IPL_SAFEPRI IPL_NONE /* for kern_sleepq.c */
#ifdef _KERNEL
#ifndef _LOCORE
int raisespl (int);

9
sys/arch/atari/atari/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.173 2011/12/12 19:03:08 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.174 2012/07/27 05:36:10 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.173 2011/12/12 19:03:08 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.174 2012/07/27 05:36:10 matt Exp $");
#include "opt_ddb.h"
#include "opt_compat_netbsd.h"
@ -113,11 +113,6 @@ void * msgbufaddr;
vaddr_t msgbufpa;
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern int freebufspace;
extern u_int lowram;

9
sys/arch/cesfic/cesfic/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.62 2012/02/12 16:34:07 matt Exp $ */
/* $NetBSD: machdep.c,v 1.63 2012/07/27 05:36:10 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.62 2012/02/12 16:34:07 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.63 2012/07/27 05:36:10 matt Exp $");
#include "opt_bufcache.h"
#include "opt_ddb.h"
@ -120,11 +120,6 @@ struct vm_map *phys_map = NULL;
*/
/*int maxmem;*/ /* max memory per process */
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern u_int lowram;

9
sys/arch/hp300/hp300/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.224 2011/12/12 19:03:09 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.225 2012/07/27 05:36:10 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.224 2011/12/12 19:03:09 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.225 2012/07/27 05:36:10 matt Exp $");
#include "opt_ddb.h"
#include "opt_compat_netbsd.h"
@ -130,11 +130,6 @@ vaddr_t bootinfo_va;
int maxmem; /* max memory per process */
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern u_int lowram;
extern short exframesize[];

5
sys/arch/hpcarm/hpcarm/intr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: intr.c,v 1.18 2010/12/20 00:25:33 matt Exp $ */
/* $NetBSD: intr.c,v 1.19 2012/07/27 05:36:10 matt Exp $ */
/*
* Copyright (c) 1994-1998 Mark Brinicombe.
@ -36,7 +36,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.18 2010/12/20 00:25:33 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: intr.c,v 1.19 2012/07/27 05:36:10 matt Exp $");
#include "opt_irqstats.h"
#include "opt_cputypes.h"
@ -106,7 +106,6 @@ void set_spl_masks(void);
u_int spl_masks[_SPL_LEVELS + 1];
u_int spl_smasks[_SPL_LEVELS];
int safepri = _SPL_0;
#ifdef __HAVE_FAST_SOFTINTS
/* Handle software interrupts */

4
sys/arch/hpcarm/include/intr.h
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@ -1,4 +1,4 @@
/* $NetBSD: intr.h,v 1.16 2012/06/10 13:15:24 skrll Exp $ */
/* $NetBSD: intr.h,v 1.17 2012/07/27 05:36:10 matt Exp $ */
/*
* Copyright (c) 1997 Mark Brinicombe.
@ -49,6 +49,8 @@
#define NIPL 8
#define IPL_SAFEPRI _SPL_0
#define IST_UNUSABLE -1 /* interrupt cannot be used */
#define IST_NONE 0 /* none (dummy) */
#define IST_PULSE 1 /* pulsed */

9
sys/arch/luna68k/luna68k/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.89 2011/12/12 19:03:10 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.90 2012/07/27 05:36:10 matt Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
@ -31,7 +31,7 @@
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.89 2011/12/12 19:03:10 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.90 2012/07/27 05:36:10 matt Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -104,11 +104,6 @@ struct vm_map *phys_map = NULL;
int maxmem; /* max memory per process */
int physmem; /* set by locore */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern u_int lowram;

4
sys/arch/m68k/include/psl.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: psl.h,v 1.14 2009/05/06 21:37:40 mhitch Exp $ */
/* $NetBSD: psl.h,v 1.15 2012/07/27 05:36:11 matt Exp $ */
/*
* Copyright (c) 1982, 1986, 1993
@ -69,6 +69,8 @@
#if defined(_KERNEL) && !defined(_LOCORE)
#define IPL_SAFEPRI PSL_LOWIPL /* for kern_sleepq.c */
/*
* spl functions; platform-specific code must define spl0 and splx().
*/

10
sys/arch/mac68k/mac68k/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.343 2012/01/27 18:52:57 para Exp $ */
/* $NetBSD: machdep.c,v 1.344 2012/07/27 05:36:11 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -74,7 +74,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.343 2012/01/27 18:52:57 para Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.344 2012/07/27 05:36:11 matt Exp $");
#include "opt_adb.h"
#include "opt_ddb.h"
@ -193,12 +193,6 @@ struct vm_map *phys_map = NULL;
int maxmem; /* max memory per process */
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
/*
* Extent maps to manage all memory space, including I/O ranges. Allocate
* storage for 8 regions in each, initially. Later, iomem_malloc_safe

10
sys/arch/mvme68k/mvme68k/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.150 2011/12/12 19:03:10 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.151 2012/07/27 05:36:11 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.150 2011/12/12 19:03:10 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.151 2012/07/27 05:36:11 matt Exp $");
#include "opt_ddb.h"
#include "opt_m060sp.h"
@ -126,12 +126,6 @@ paddr_t msgbufpa; /* PA of message buffer */
int maxmem; /* max memory per process */
int physmem; /* size of physical memory */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
/*
* The driver for the ethernet chip appropriate to the
* platform (lance or i82586) will use this variable

9
sys/arch/news68k/news68k/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.98 2011/12/12 19:03:11 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.99 2012/07/27 05:36:11 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.98 2011/12/12 19:03:11 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.99 2012/07/27 05:36:11 matt Exp $");
#include "opt_ddb.h"
#include "opt_compat_netbsd.h"
@ -112,11 +112,6 @@ struct vm_map *phys_map = NULL;
int maxmem; /* max memory per process */
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern paddr_t avail_start, avail_end;
extern int end, *esym;

10
sys/arch/next68k/next68k/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.106 2011/12/12 19:03:11 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.107 2012/07/27 05:36:11 matt Exp $ */
/*
* Copyright (c) 1998 Darrin B. Jewell
@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.106 2011/12/12 19:03:11 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.107 2012/07/27 05:36:11 matt Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -132,12 +132,6 @@ paddr_t msgbufpa; /* PA of message buffer */
int maxmem; /* max memory per process */
int physmem; /* size of physical memory */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
extern u_int lowram;
extern short exframesize[];

8
sys/arch/sparc/include/intr.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: intr.h,v 1.11 2008/04/28 20:23:36 martin Exp $ */
/* $NetBSD: intr.h,v 1.12 2012/07/27 05:36:11 matt Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -61,6 +61,12 @@
#define IPL_ZS IPL_HIGH
/*
* IPL_SAFEPRI is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
#define IPL_SAFEPRI 0
#if defined(_KERNEL) && !defined(_LOCORE)
void *
sparc_softintr_establish(int level, void (*fun)(void *), void *arg);

10
sys/arch/sparc/sparc/machdep.c
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@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.319 2012/05/21 14:15:18 martin Exp $ */
/* $NetBSD: machdep.c,v 1.320 2012/07/27 05:36:12 matt Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.319 2012/05/21 14:15:18 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.320 2012/07/27 05:36:12 matt Exp $");
#include "opt_compat_netbsd.h"
#include "opt_compat_sunos.h"
@ -145,12 +145,6 @@ int physmem;
kmutex_t fpu_mtx;
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = 0;
/*
* dvmamap24 is used to manage DVMA memory for devices that have the upper
* eight address bits wired to all-ones (e.g. `le' and `ie')

8
sys/arch/sparc64/include/intr.h
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@ -1,4 +1,4 @@
/* $NetBSD: intr.h,v 1.30 2011/04/13 03:24:28 mrg Exp $ */
/* $NetBSD: intr.h,v 1.31 2012/07/27 05:36:12 matt Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -56,6 +56,12 @@
#define IPL_PAUSE 13 /* pause cpu */
#define IPL_FDSOFT PIL_FDSOFT /* floppy */
/*
* IPL_SAFEPRI is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
#define IPL_SAFEPRI IPL_NONE
#ifndef _LOCORE
void fpusave_lwp(struct lwp *, bool);
#endif /* _LOCORE */

10
sys/arch/sparc64/sparc64/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.267 2012/05/21 14:15:18 martin Exp $ */
/* $NetBSD: machdep.c,v 1.268 2012/07/27 05:36:12 matt Exp $ */
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.267 2012/05/21 14:15:18 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.268 2012/07/27 05:36:12 matt Exp $");
#include "opt_ddb.h"
#include "opt_multiprocessor.h"
@ -169,12 +169,6 @@ extern void *msgbufaddr;
#define MAX_DMA_SEGS 20
#endif
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = 0;
void dumpsys(void);
void stackdump(void);

10
sys/arch/sun2/sun2/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.72 2012/01/27 18:53:03 para Exp $ */
/* $NetBSD: machdep.c,v 1.73 2012/07/27 05:36:12 matt Exp $ */
/*
* Copyright (c) 1982, 1986, 1990, 1993
@ -149,7 +149,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.72 2012/01/27 18:53:03 para Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.73 2012/07/27 05:36:12 matt Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -241,12 +241,6 @@ void * msgbufaddr;
/* Virtual page frame for /dev/mem (see mem.c) */
vaddr_t vmmap;
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
/* Soft copy of the enable register. */
volatile u_short enable_reg_soft = ENABLE_REG_SOFT_UNDEF;

10
sys/arch/sun3/sun3/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.204 2011/12/12 19:03:12 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.205 2012/07/27 05:36:12 matt Exp $ */
/*
* Copyright (c) 1982, 1986, 1990, 1993
@ -78,7 +78,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.204 2011/12/12 19:03:12 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.205 2012/07/27 05:36:12 matt Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -159,12 +159,6 @@ void * msgbufaddr;
/* Virtual page frame for /dev/mem (see mem.c) */
vaddr_t vmmap;
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
/* Our private scratch page for dumping the MMU. */
static vaddr_t dumppage;

10
sys/arch/sun3/sun3x/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.131 2011/12/12 19:03:12 mrg Exp $ */
/* $NetBSD: machdep.c,v 1.132 2012/07/27 05:36:12 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -38,7 +38,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.131 2011/12/12 19:03:12 mrg Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.132 2012/07/27 05:36:12 matt Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -119,12 +119,6 @@ void * msgbufaddr;
/* Virtual page frame for /dev/mem (see mem.c) */
vaddr_t vmmap;
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
u_char cpu_machine_id = 0;
const char *cpu_string = NULL;
int cpu_has_vme = 0;

10
sys/arch/x68k/x68k/machdep.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: machdep.c,v 1.183 2012/05/16 07:32:30 isaki Exp $ */
/* $NetBSD: machdep.c,v 1.184 2012/07/27 05:36:12 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.183 2012/05/16 07:32:30 isaki Exp $");
__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.184 2012/07/27 05:36:12 matt Exp $");
#include "opt_ddb.h"
#include "opt_kgdb.h"
@ -124,12 +124,6 @@ extern int end, *esym;
int maxmem; /* max memory per process */
int physmem = MAXMEM; /* max supported memory, changes to actual */
/*
* safepri is a safe priority for sleep to set for a spin-wait
* during autoconfiguration or after a panic.
*/
int safepri = PSL_LOWIPL;
/* prototypes for local functions */
void identifycpu(void);
void initcpu(void);

21
sys/kern/kern_sleepq.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_sleepq.c,v 1.46 2012/02/19 21:06:54 rmind Exp $ */
/* $NetBSD: kern_sleepq.c,v 1.47 2012/07/27 05:36:13 matt Exp $ */
/*-
* Copyright (c) 2006, 2007, 2008, 2009 The NetBSD Foundation, Inc.
@ -35,11 +35,12 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.46 2012/02/19 21:06:54 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.47 2012/07/27 05:36:13 matt Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/cpu.h>
#include <sys/intr.h>
#include <sys/pool.h>
#include <sys/proc.h>
#include <sys/resourcevar.h>
@ -48,6 +49,19 @@ __KERNEL_RCSID(0, "$NetBSD: kern_sleepq.c,v 1.46 2012/02/19 21:06:54 rmind Exp $
#include <sys/sleepq.h>
#include <sys/ktrace.h>
/*
* for sleepq_abort:
* During autoconfiguration or after a panic, a sleep will simply lower the
* priority briefly to allow interrupts, then return. The priority to be
* used (IPL_SAFEPRI) is machine-dependent, thus this value is initialized and
* maintained in the machine-dependent layers. This priority will typically
* be 0, or the lowest priority that is safe for use on the interrupt stack;
* it can be made higher to block network software interrupts after panics.
*/
#ifndef IPL_SAFEPRI
#define IPL_SAFEPRI 0
#endif
static int sleepq_sigtoerror(lwp_t *, int);
/* General purpose sleep table, used by mtsleep() and condition variables. */
@ -396,11 +410,10 @@ sleepq_sigtoerror(lwp_t *l, int sig)
int
sleepq_abort(kmutex_t *mtx, int unlock)
{
extern int safepri;
int s;
s = splhigh();
splx(safepri);
splx(IPL_SAFEPRI);
splx(s);
if (mtx != NULL && unlock != 0)
mutex_exit(mtx);

18
sys/kern/kern_synch.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_synch.c,v 1.301 2012/04/21 22:38:25 rmind Exp $ */
/* $NetBSD: kern_synch.c,v 1.302 2012/07/27 05:36:13 matt Exp $ */
/*-
* Copyright (c) 1999, 2000, 2004, 2006, 2007, 2008, 2009
@ -69,7 +69,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.301 2012/04/21 22:38:25 rmind Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_synch.c,v 1.302 2012/07/27 05:36:13 matt Exp $");
#include "opt_kstack.h"
#include "opt_perfctrs.h"
@ -137,20 +137,6 @@ static struct evcnt kpreempt_ev_crit __cacheline_aligned;
static struct evcnt kpreempt_ev_klock __cacheline_aligned;
static struct evcnt kpreempt_ev_immed __cacheline_aligned;
/*
* During autoconfiguration or after a panic, a sleep will simply lower the
* priority briefly to allow interrupts, then return. The priority to be
* used (safepri) is machine-dependent, thus this value is initialized and
* maintained in the machine-dependent layers. This priority will typically
* be 0, or the lowest priority that is safe for use on the interrupt stack;
* it can be made higher to block network software interrupts after panics.
*/
#ifdef IPL_SAFEPRI
int safepri = IPL_SAFEPRI;
#else
int safepri;
#endif
void
synch_init(void)
{