diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2013-01-24 21:19:50 +0100 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-30 00:12:30 +0100 |
| commit | 9735e91e9c29c0d8fe432aef1152e43e50bdb316 (patch) | |
| tree | 778616a43f3734ee2411a10ca089712e6fc6f9f4 | |
| parent | x86, 64bit: Copy struct boot_params early (diff) | |
| download | linux-9735e91e9c29c0d8fe432aef1152e43e50bdb316.tar.xz linux-9735e91e9c29c0d8fe432aef1152e43e50bdb316.zip | |
x86, 64bit, realmode: Use init_level4_pgt to set trampoline_pgd directly
with #PF handler way to set early page table, level3_ident will go away with
64bit native path.
So just use entries in init_level4_pgt to set them in trampoline_pgd.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-10-git-send-email-yinghai@kernel.org
Cc: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Acked-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
| -rw-r--r-- | arch/x86/realmode/init.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c index c44ea7cf5741..ffee06ac7de9 100644 --- a/arch/x86/realmode/init.c +++ b/arch/x86/realmode/init.c @@ -78,8 +78,8 @@ void __init setup_real_mode(void) *trampoline_cr4_features = read_cr4(); trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd); - trampoline_pgd[0] = __pa(level3_ident_pgt) + _KERNPG_TABLE; - trampoline_pgd[511] = __pa(level3_kernel_pgt) + _KERNPG_TABLE; + trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd; + trampoline_pgd[511] = init_level4_pgt[511].pgd; #endif } |