diff options
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 27 | ||||
| -rw-r--r-- | sys/i386/i386/pmap.c | 27 |
2 files changed, 46 insertions, 8 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 9e3c6c3..a0c8ebe 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -3139,15 +3139,21 @@ pmap_mapdev(pa, size) panic("pmap_mapdev: Couldn't alloc kernel virtual memory"); pa = pa & PG_FRAME; - for (tmpva = va; size > 0;) { + for (tmpva = va; size > 0; ) { pte = vtopte(tmpva); *pte = pa | PG_RW | PG_V | pgeflag; +#ifdef SMP + cpu_invlpg((void *)tmpva); +#else + invltlb_1pg(tmpva); +#endif size -= PAGE_SIZE; tmpva += PAGE_SIZE; pa += PAGE_SIZE; } - invltlb(); - +#ifdef SMP + smp_invltlb(); +#endif return ((void *)(va + offset)); } @@ -3156,11 +3162,24 @@ pmap_unmapdev(va, size) vm_offset_t va; vm_size_t size; { - vm_offset_t base, offset; + vm_offset_t base, offset, tmpva; + pt_entry_t *pte; base = va & PG_FRAME; offset = va & PAGE_MASK; size = roundup(offset + size, PAGE_SIZE); + for (tmpva = base; tmpva < (base + size); tmpva += PAGE_SIZE) { + pte = vtopte(tmpva); + *pte = 0; +#ifdef SMP + cpu_invlpg((void *)tmpva); +#else + invltlb_1pg(tmpva); +#endif + } +#ifdef SMP + smp_invltlb(); +#endif kmem_free(kernel_map, base, size); } diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 9e3c6c3..a0c8ebe 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -3139,15 +3139,21 @@ pmap_mapdev(pa, size) panic("pmap_mapdev: Couldn't alloc kernel virtual memory"); pa = pa & PG_FRAME; - for (tmpva = va; size > 0;) { + for (tmpva = va; size > 0; ) { pte = vtopte(tmpva); *pte = pa | PG_RW | PG_V | pgeflag; +#ifdef SMP + cpu_invlpg((void *)tmpva); +#else + invltlb_1pg(tmpva); +#endif size -= PAGE_SIZE; tmpva += PAGE_SIZE; pa += PAGE_SIZE; } - invltlb(); - +#ifdef SMP + smp_invltlb(); +#endif return ((void *)(va + offset)); } @@ -3156,11 +3162,24 @@ pmap_unmapdev(va, size) vm_offset_t va; vm_size_t size; { - vm_offset_t base, offset; + vm_offset_t base, offset, tmpva; + pt_entry_t *pte; base = va & PG_FRAME; offset = va & PAGE_MASK; size = roundup(offset + size, PAGE_SIZE); + for (tmpva = base; tmpva < (base + size); tmpva += PAGE_SIZE) { + pte = vtopte(tmpva); + *pte = 0; +#ifdef SMP + cpu_invlpg((void *)tmpva); +#else + invltlb_1pg(tmpva); +#endif + } +#ifdef SMP + smp_invltlb(); +#endif kmem_free(kernel_map, base, size); } |
