Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754694Ab0AUG32 (ORCPT ); Thu, 21 Jan 2010 01:29:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754548Ab0AUG3Y (ORCPT ); Thu, 21 Jan 2010 01:29:24 -0500 Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:38814 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754249Ab0AUG3W (ORCPT ); Thu, 21 Jan 2010 01:29:22 -0500 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: TEXT/PLAIN Date: Wed, 20 Jan 2010 22:28:03 -0800 From: Yinghai Lu Subject: [PATCH 16/36] x86: move bios page reserve early to head32/64.c In-reply-to: <1264055303-15123-1-git-send-email-yinghai@kernel.org> To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , Jesse Barnes , Christoph Lameter Cc: Linus Torvalds , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Yinghai Lu Message-id: <1264055303-15123-17-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.6.4.2 References: <1264055303-15123-1-git-send-email-yinghai@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2830 Lines: 89 so prepare to make one more clean early_res.c Signed-off-by: Yinghai Lu --- arch/x86/kernel/e820.c | 22 ++-------------------- arch/x86/kernel/head32.c | 12 ++++++++++++ arch/x86/kernel/head64.c | 2 ++ 3 files changed, 16 insertions(+), 20 deletions(-) diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index bd6a361..b7681e3 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -735,29 +735,11 @@ 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 5051b94..2e13544 100644 --- a/arch/x86/kernel/head32.c +++ b/arch/x86/kernel/head32.c @@ -29,6 +29,18 @@ static void __init i386_default_early_setup(void) void __init i386_start_kernel(void) { + reserve_early_overlap_ok(0, PAGE_SIZE, "BIOS data page"); + +#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 diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index b5a9896..452b7c4 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -98,6 +98,8 @@ void __init x86_64_start_reservations(char *real_mode_data) { copy_bootdata(__va(real_mode_data)); + reserve_early_overlap_ok(0, PAGE_SIZE, "BIOS data page"); + reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS"); #ifdef CONFIG_BLK_DEV_INITRD -- 1.6.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/