| sys_machdep.c (72930) | sys_machdep.c (76078) |
|---|---|
| 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)sys_machdep.c 5.5 (Berkeley) 1/19/91 | 1/*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 17 unchanged lines hidden (view full) --- 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * from: @(#)sys_machdep.c 5.5 (Berkeley) 1/19/91 |
| 34 * $FreeBSD: head/sys/amd64/amd64/sys_machdep.c 72930 2001-02-23 01:25:02Z peter $ | 34 * $FreeBSD: head/sys/amd64/amd64/sys_machdep.c 76078 2001-04-27 19:28:25Z jhb $ |
| 35 * 36 */ 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/sysproto.h> 41#include <sys/ipl.h> 42#include <sys/malloc.h> 43#include <sys/proc.h> | 35 * 36 */ 37 38#include <sys/param.h> 39#include <sys/systm.h> 40#include <sys/sysproto.h> 41#include <sys/ipl.h> 42#include <sys/malloc.h> 43#include <sys/proc.h> |
| 44#include <sys/smp.h> |
|
| 44 45#include <vm/vm.h> 46#include <sys/lock.h> 47#include <vm/pmap.h> 48#include <vm/vm_map.h> 49#include <vm/vm_extern.h> 50 51#include <sys/user.h> 52 53#include <machine/cpu.h> 54#include <machine/pcb_ext.h> /* pcb.h included by sys/user.h */ 55#include <machine/sysarch.h> | 45 46#include <vm/vm.h> 47#include <sys/lock.h> 48#include <vm/pmap.h> 49#include <vm/vm_map.h> 50#include <vm/vm_extern.h> 51 52#include <sys/user.h> 53 54#include <machine/cpu.h> 55#include <machine/pcb_ext.h> /* pcb.h included by sys/user.h */ 56#include <machine/sysarch.h> |
| 56#ifdef SMP 57#include <machine/smp.h> 58#endif | |
| 59 60#include <vm/vm_kern.h> /* for kernel_map */ 61 62#define MAX_LD 8192 63#define LD_PER_PAGE 512 64#define NEW_MAX_LD(num) ((num + LD_PER_PAGE) & ~(LD_PER_PAGE-1)) 65#define SIZE_FROM_LARGEST_LD(num) (NEW_MAX_LD(num) << 3) 66 --- 82 unchanged lines hidden (view full) --- 149 for (i = 0; i < (ctob(IOPAGES) + 32 + 16) / sizeof(u_long); i++) 150 *addr++ = ~0; 151 152 ssd.ssd_base = (unsigned)&ext->ext_tss; 153 ssd.ssd_limit -= ((unsigned)&ext->ext_tss - (unsigned)ext); 154 ssdtosd(&ssd, &ext->ext_tssd); 155 156 /* switch to the new TSS after syscall completes */ | 57 58#include <vm/vm_kern.h> /* for kernel_map */ 59 60#define MAX_LD 8192 61#define LD_PER_PAGE 512 62#define NEW_MAX_LD(num) ((num + LD_PER_PAGE) & ~(LD_PER_PAGE-1)) 63#define SIZE_FROM_LARGEST_LD(num) (NEW_MAX_LD(num) << 3) 64 --- 82 unchanged lines hidden (view full) --- 147 for (i = 0; i < (ctob(IOPAGES) + 32 + 16) / sizeof(u_long); i++) 148 *addr++ = ~0; 149 150 ssd.ssd_base = (unsigned)&ext->ext_tss; 151 ssd.ssd_limit -= ((unsigned)&ext->ext_tss - (unsigned)ext); 152 ssdtosd(&ssd, &ext->ext_tssd); 153 154 /* switch to the new TSS after syscall completes */ |
| 157 need_resched(); | 155 /* 156 * XXX: The sched_lock here needs to be over a slightly larger area. 157 * I have patches to more properly lock accesses to process ldt's 158 * and tss's that still need to be reviewed, but this keeps us from 159 * panic'ing on the mtx_assert() in need_resched() for the time being. 160 */ 161 mtx_lock_spin(&sched_lock); 162 need_resched(p); 163 mtx_unlock_spin(&sched_lock); |
| 158 159 return 0; 160} 161 162static int 163i386_set_ioperm(p, args) 164 struct proc *p; 165 char *args; --- 329 unchanged lines hidden --- | 164 165 return 0; 166} 167 168static int 169i386_set_ioperm(p, args) 170 struct proc *p; 171 char *args; --- 329 unchanged lines hidden --- |