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authorBorislav Petkov <bp@alien8.de>2013-03-04 21:16:17 +0100
committerH. Peter Anvin <hpa@linux.intel.com>2013-04-03 01:03:29 +0200
commit8e3c2a8cf647e2f3a1e9d38009b0d1c02145822f (patch)
treebd5991f51985964c167391225a707b6c515d9656 /arch/x86/kernel/head64.c
parentx86_64: Use __BOOT_DS instead_of __KERNEL_DS for safety (diff)
downloadlinux-8e3c2a8cf647e2f3a1e9d38009b0d1c02145822f.tar.xz
linux-8e3c2a8cf647e2f3a1e9d38009b0d1c02145822f.zip
x86: Drop KERNEL_IMAGE_START
We have KERNEL_IMAGE_START and __START_KERNEL_map which both contain the start of the kernel text mapping's virtual address. Remove the prior one which has been replicated a lot less times around the tree. No functionality change. Signed-off-by: Borislav Petkov <bp@alien8.de> Link: http://lkml.kernel.org/r/1362428180-8865-3-git-send-email-bp@alien8.de Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/head64.c')
-rw-r--r--arch/x86/kernel/head64.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index c5e403f6d869..101ac1a9263e 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -144,10 +144,10 @@ void __init x86_64_start_kernel(char * real_mode_data)
* Build-time sanity checks on the kernel image and module
* area mappings. (these are purely build-time and produce no code)
*/
- BUILD_BUG_ON(MODULES_VADDR < KERNEL_IMAGE_START);
- BUILD_BUG_ON(MODULES_VADDR-KERNEL_IMAGE_START < KERNEL_IMAGE_SIZE);
+ BUILD_BUG_ON(MODULES_VADDR < __START_KERNEL_map);
+ BUILD_BUG_ON(MODULES_VADDR - __START_KERNEL_map < KERNEL_IMAGE_SIZE);
BUILD_BUG_ON(MODULES_LEN + KERNEL_IMAGE_SIZE > 2*PUD_SIZE);
- BUILD_BUG_ON((KERNEL_IMAGE_START & ~PMD_MASK) != 0);
+ BUILD_BUG_ON((__START_KERNEL_map & ~PMD_MASK) != 0);
BUILD_BUG_ON((MODULES_VADDR & ~PMD_MASK) != 0);
BUILD_BUG_ON(!(MODULES_VADDR > __START_KERNEL));
BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) ==