diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-07-13 19:11:44 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-07-13 19:11:44 -0400 |
| commit | 08cd84c81f27d5bd22ba958b7cae6d566c509280 (patch) | |
| tree | 6fdb546c151410851fd3c604d42590afa4215084 /arch/um/kernel/physmem.c | |
| parent | e9dd2561793c05d70c9df1bc16a2dde6f23388df (diff) | |
| parent | 327309e899662b482c58cf25f574513d38b5788c (diff) | |
Merge /spare/repo/netdev-2.6 branch 'ieee80211'
Diffstat (limited to 'arch/um/kernel/physmem.c')
| -rw-r--r-- | arch/um/kernel/physmem.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/um/kernel/physmem.c b/arch/um/kernel/physmem.c index 420e6d51fa0f..a24e3b7f4bf0 100644 --- a/arch/um/kernel/physmem.c +++ b/arch/um/kernel/physmem.c @@ -353,6 +353,8 @@ void map_memory(unsigned long virt, unsigned long phys, unsigned long len, #define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) +extern int __syscall_stub_start, __binary_start; + void setup_physmem(unsigned long start, unsigned long reserve_end, unsigned long len, unsigned long highmem) { @@ -371,6 +373,12 @@ void setup_physmem(unsigned long start, unsigned long reserve_end, exit(1); } + /* Special kludge - This page will be mapped in to userspace processes + * from physmem_fd, so it needs to be written out there. + */ + os_seek_file(physmem_fd, __pa(&__syscall_stub_start)); + os_write_file(physmem_fd, &__syscall_stub_start, PAGE_SIZE); + bootmap_size = init_bootmem(pfn, pfn + delta); free_bootmem(__pa(reserve_end) + bootmap_size, len - bootmap_size - reserve); |