diff options
| author |   kettenis <kettenis@openbsd.org> | 2010-05-05 19:34:27 +0000 |
|---|---|---|
| committer | kettenis <kettenis@openbsd.org> | 2010-05-05 19:34:27 +0000 |
| commit | c97620b730a2b9f83018dfd904f4ff83a039d85c (patch) | |
| tree | 7c14c02d028f2e73eaa2622987483ee44436e1d7 /sys | |
| parent | USB Id for Atheros AR3011 bluetooth adapter. (diff) | |
| download | wireguard-openbsd-c97620b730a2b9f83018dfd904f4ff83a039d85c.tar.xz wireguard-openbsd-c97620b730a2b9f83018dfd904f4ff83a039d85c.zip | |
Since we never set the X bit for directly mappings, nothing can be moved into
the instruction cache through them. So we don't need to flush the
instruction cache and purge instruction TLBs for these mappings.
ok jsing@, miod@
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/hppa/hppa/pmap.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/sys/arch/hppa/hppa/pmap.c b/sys/arch/hppa/hppa/pmap.c index 7781e2407a3..9f8d672370c 100644 --- a/sys/arch/hppa/hppa/pmap.c +++ b/sys/arch/hppa/hppa/pmap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pmap.c,v 1.152 2010/04/30 21:56:39 oga Exp $ */ +/* $OpenBSD: pmap.c,v 1.153 2010/05/05 19:34:27 kettenis Exp $ */ /* * Copyright (c) 1998-2004 Michael Shalayeff @@ -1180,9 +1180,7 @@ pmap_zero_page(struct vm_page *pg) pmap_flush_page(pg, 1); bzero((void *)pa, PAGE_SIZE); fdcache(HPPA_SID_KERNEL, pa, PAGE_SIZE); - ficache(HPPA_SID_KERNEL, pa, PAGE_SIZE); pdtlb(HPPA_SID_KERNEL, pa); - pitlb(HPPA_SID_KERNEL, pa); } void @@ -1197,12 +1195,8 @@ pmap_copy_page(struct vm_page *srcpg, struct vm_page *dstpg) bcopy((void *)spa, (void *)dpa, PAGE_SIZE); pdcache(HPPA_SID_KERNEL, spa, PAGE_SIZE); fdcache(HPPA_SID_KERNEL, dpa, PAGE_SIZE); - ficache(HPPA_SID_KERNEL, spa, PAGE_SIZE); - ficache(HPPA_SID_KERNEL, dpa, PAGE_SIZE); pdtlb(HPPA_SID_KERNEL, spa); pdtlb(HPPA_SID_KERNEL, dpa); - pitlb(HPPA_SID_KERNEL, spa); - pitlb(HPPA_SID_KERNEL, dpa); } void @@ -1321,8 +1315,6 @@ struct vm_page * pmap_unmap_direct(vaddr_t va) { fdcache(HPPA_SID_KERNEL, va, PAGE_SIZE); - ficache(HPPA_SID_KERNEL, va, PAGE_SIZE); pdtlb(HPPA_SID_KERNEL, va); - pitlb(HPPA_SID_KERNEL, va); return (PHYS_TO_VM_PAGE(va)); } |