diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 20:37:50 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-22 20:37:50 -0700 |
| commit | 10f2a2b0f68abf39c06cf519cbc1740fa50f900b (patch) | |
| tree | 70b33e4437ae0d5ac92f56c60b048756bde7f3e4 /arch/x86/kernel/reboot.c | |
| parent | 8814011679d1a47d8b0158fc991727a5859471a0 (diff) | |
| parent | b40827fa7268fda8a62490728a61c2856f33830b (diff) | |
Merge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-32, mm: Add an initial page table for core bootstrapping
Diffstat (limited to 'arch/x86/kernel/reboot.c')
| -rw-r--r-- | arch/x86/kernel/reboot.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 7a4cf14223ba..f7f53dcd3e0a 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -371,16 +371,10 @@ void machine_real_restart(const unsigned char *code, int length) CMOS_WRITE(0x00, 0x8f); spin_unlock(&rtc_lock); - /* Remap the kernel at virtual address zero, as well as offset zero - from the kernel segment. This assumes the kernel segment starts at - virtual address PAGE_OFFSET. */ - memcpy(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY, - sizeof(swapper_pg_dir [0]) * KERNEL_PGD_PTRS); - /* - * Use `swapper_pg_dir' as our page directory. + * Switch back to the initial page table. */ - load_cr3(swapper_pg_dir); + load_cr3(initial_page_table); /* Write 0x1234 to absolute memory location 0x472. The BIOS reads this on booting to tell it to "Bypass memory test (also warm |