diff options
| author | Miod Vallat <miod@cvs.openbsd.org> | 2004-01-04 22:51:56 +0000 |
|---|---|---|
| committer | Miod Vallat <miod@cvs.openbsd.org> | 2004-01-04 22:51:56 +0000 |
| commit | d1da867b6fb751e1c529eae09f2934dfaabceb6a (patch) | |
| tree | aa5d23000fa0271a4e7856de3a97f35e3542aebc /sys/arch | |
| parent | 17f2da5b09ab614453c453fac859658ead8c2012 (diff) | |
In pmap_activate(), be sure to always flush the user tlb, even if we are
scheduling a kernel thread, as we depend upon this behaviour now.
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/mvme88k/mvme88k/pmap.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/sys/arch/mvme88k/mvme88k/pmap.c b/sys/arch/mvme88k/mvme88k/pmap.c index e11ab2c55fa..86c3db4602d 100644 --- a/sys/arch/mvme88k/mvme88k/pmap.c +++ b/sys/arch/mvme88k/mvme88k/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.103 2004/01/02 23:25:18 miod Exp $ */ +/* $OpenBSD: pmap.c,v 1.104 2004/01/04 22:51:55 miod Exp $ */ /* * Copyright (c) 2001, 2002, 2003 Miodrag Vallat * Copyright (c) 1998-2001 Steve Murphree, Jr. @@ -1017,7 +1017,8 @@ pmap_bootstrap(vaddr_t load_start, paddr_t *phys_start, paddr_t *phys_end, for (i = 0; i < MAX_CPUS; i++) if (cpu_sets[i]) { /* Invalidate entire kernel TLB. */ - cmmu_flush_tlb(i, 1, 0, -1); + cmmu_flush_tlb(i, TRUE, VM_MIN_KERNEL_ADDRESS, + VM_MAX_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS); /* still physical */ /* * Set valid bit to DT_INVALID so that the very first @@ -2326,8 +2327,8 @@ pmap_collect(pmap_t pmap) * apr template into UAPR (user area pointer register) in the * CMMUs connected to the specified CPU. * - * If kernel_pmap is specified, only flushes the TLBs mapping kernel - * virtual space, in the CMMUs connected to the specified CPU. + * Then, it flushes the TLBs mapping user virtual space, in the CMMUs + * connected to the specified CPU. */ void pmap_activate(struct proc *p) @@ -2362,7 +2363,6 @@ pmap_activate(struct proc *p) *(register_t *)&batc_entry[n] = pmap->pm_ibatc[n].bits; #else cmmu_set_uapr(pmap->pm_apr); - cmmu_flush_tlb(cpu, FALSE, 0, -1); #endif /* PMAP_USE_BATC */ /* @@ -2371,6 +2371,12 @@ pmap_activate(struct proc *p) SETBIT_CPUSET(cpu, &(pmap->pm_cpus)); simple_unlock(&pmap->pm_lock); } +#ifdef PMAP_USE_BATC + else +#endif + + cmmu_flush_tlb(cpu, FALSE, VM_MIN_ADDRESS, + VM_MAX_ADDRESS - VM_MIN_ADDRESS); } /* |