x86: Fix typo in kexec register clearing

commit c8a22d19dd238ede87aa0ac4f7dbea8da039b9c1 upstream.

Fixes a typo in register clearing code. Thanks to PaX Team for fixing
this originally, and James Troup for pointing it out.

Signed-off-by: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/r/20130605184718.GA8396@www.outflux.net
Cc: PaX Team <pageexec@freemail.hu>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S
index 7a6f3b3be3cfcd9c071672e2275213c3c7715607..f2bb9c96720ace7ac54b6a1fc713cb5a002d7379 100644 (file)
--- a/arch/x86/kernel/relocate_kernel_64.S
+++ b/arch/x86/kernel/relocate_kernel_64.S
@@ -160,7 +160,7 @@ identity_mapped:
        xorq    %rbp, %rbp
        xorq    %r8,  %r8
        xorq    %r9,  %r9
-       xorq    %r10, %r9
+       xorq    %r10, %r10
        xorq    %r11, %r11
        xorq    %r12, %r12
        xorq    %r13, %r13