diff options
| author | Sai Praneeth <[email protected]> | 2016-02-17 12:36:06 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-02-22 08:26:28 +0100 |
| commit | 2ad510dc372c2caac9aada9ff6dd10e787616e1d (patch) | |
| tree | c7bba60189c8216464ab17402c11811cd17e2439 | |
| parent | 6d0cc887d571e96f928be83f094322451fd4bf6f (diff) | |
x86/efi: Only map kernel text for EFI mixed mode
The correct symbol to use when figuring out the size of the kernel
text is '_etext', not '_end' which is the symbol for the entire kernel
image includes data and debug sections.
Signed-off-by: Sai Praneeth Prakhya <[email protected]>
Signed-off-by: Matt Fleming <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ravi Shankar <[email protected]>
Cc: Ricardo Neri <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/platform/efi/efi_64.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 40d2f447a9dd..49e4dd4a1f58 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -275,7 +275,7 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) efi_scratch.phys_stack = virt_to_phys(page_address(page)); efi_scratch.phys_stack += PAGE_SIZE; /* stack grows down */ - npages = (_end - _text) >> PAGE_SHIFT; + npages = (_etext - _text) >> PAGE_SHIFT; text = __pa(_text); pfn = text >> PAGE_SHIFT; |