Commit-ID: 9dad0fd5a73d4048dff18069733c0b515f68df74
Gitweb: http://git.kernel.org/tip/9dad0fd5a73d4048dff18069733c0b515f68df74
Author: Yinghai Lu <yinghai@xxxxxxxxxx>
AuthorDate: Tue, 22 Dec 2009 15:40:39 -0800
Committer: H. Peter Anvin <hpa@xxxxxxxxx>
CommitDate: Mon, 4 Jan 2010 13:20:11 -0800
x86: Fix size for ex trampoline with 32bit
fix for error that is introduced by
| x86: Use find_e820() instead of hard coded trampoline address
it should end with PAGE_SIZE + PAGE_SIZE
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
LKML-Reference: <1261525263-13763-2-git-send-email-yinghai@xxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx>
---
arch/x86/kernel/e820.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 05ed7ab..a1a7876 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -733,13 +733,13 @@ struct early_res {
};
static struct early_res early_res[MAX_EARLY_RES] __initdata = {
{ 0, PAGE_SIZE, "BIOS data page", 1 }, /* BIOS data page */
-#ifdef CONFIG_X86_32
+#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, "EX TRAMPOLINE", 1 },
+ { PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 },
#endif
{}
--
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