diff options
| author | Yinghai Lu <yinghai@kernel.org> | 2010-02-10 01:20:23 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-12 09:42:38 -0800 |
| commit | db8f77c889542b09457b8b97efb311343c99a75d (patch) | |
| tree | cb3d4cb6d23c6e90917218233bc4dc2c9642b5f1 /arch/x86 | |
| parent | 9bdac914240759457175ac0d6529a37d2820bc4d (diff) | |
x86: Move bios page reserve early to head32/64.c
So prepare to make one more clean of early_res.c.
-v2: don't need to reserve first page in early_res
because we already mark that in e820 as reserved already.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-20-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/e820.c | 22 | ||||
| -rw-r--r-- | arch/x86/kernel/head32.c | 10 |
2 files changed, 12 insertions, 20 deletions
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 90a85295f33..4004f10285d 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -743,29 +743,11 @@ struct early_res { char name[15]; char overlap_ok; }; -static struct early_res early_res_x[MAX_EARLY_RES_X] __initdata = { - { 0, PAGE_SIZE, "BIOS data page", 1 }, /* BIOS data page */ -#if defined(CONFIG_X86_32) && defined(CONFIG_X86_TRAMPOLINE) - /* - * But first pinch a few for the stack/trampoline stuff - * FIXME: Don't need the extra page at 4K, but need to fix - * trampoline before removing it. (see the GDT stuff) - */ - { PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 }, -#endif - - {} -}; +static struct early_res early_res_x[MAX_EARLY_RES_X] __initdata; static int max_early_res __initdata = MAX_EARLY_RES_X; static struct early_res *early_res __initdata = &early_res_x[0]; -static int early_res_count __initdata = -#ifdef CONFIG_X86_32 - 2 -#else - 1 -#endif - ; +static int early_res_count __initdata; static int __init find_overlapped_early(u64 start, u64 end) { diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c index 5051b94c906..adedeef1ded 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -29,6 +29,16 @@ static void __init i386_default_early_setup(void) void __init i386_start_kernel(void) { +#ifdef CONFIG_X86_TRAMPOLINE + /* + * But first pinch a few for the stack/trampoline stuff + * FIXME: Don't need the extra page at 4K, but need to fix + * trampoline before removing it. (see the GDT stuff) + */ + reserve_early_overlap_ok(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, + "EX TRAMPOLINE"); +#endif + reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS"); #ifdef CONFIG_BLK_DEV_INITRD |