diff options
Diffstat (limited to 'i386/intel/pmap.c')
| -rw-r--r-- | i386/intel/pmap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/i386/intel/pmap.c b/i386/intel/pmap.c index d8865b2f..f0623dee 100644 --- a/i386/intel/pmap.c +++ b/i386/intel/pmap.c @@ -1128,6 +1128,12 @@ pmap_t pmap_create(size) panic("pmap_create"); memcpy(p->dirbase, kernel_page_dir, PDPNUM * INTEL_PGBYTES); +#ifdef LINUX_DEV +#if VM_MIN_KERNEL_ADDRESS != 0 + /* Do not map BIOS in user tasks */ + p->dirbase[lin2pdenum(LINEAR_MIN_KERNEL_ADDRESS - VM_MIN_KERNEL_ADDRESS)] = 0; +#endif +#endif #ifdef MACH_XEN { int i; |