| commit | f037e416afb38b9ee8ac598d68733fcbaf665384 | |
| author | H. Peter Anvin <hpa@linux.intel.com> | |
| Fri, 21 Jun 2013 04:16:00 +0000 (20 21:16 -0700) | ||
| committer | H. Peter Anvin <hpa@linux.intel.com> | |
| Fri, 21 Jun 2013 04:30:04 +0000 (20 21:30 -0700) | ||
| tree | 62d04e0ede52997b6fb2711526200e52cef03753 | treesnapshot (tar.gz zip) |
| parent | e6bca5a6a8a0cdc41a9e1e3e69bc8476ac6a8ed4 | commitdiff |
x86, reloc: Use xorl instead of xorq in relocate_kernel_64.S
There is no point in using "xorq" to clear a register... use "xorl" to
clear the bottom 32 bits, and the upper 32 bits get cleared by virtue
of zero extension.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/n/tip-b76zi1gep39c0zs8fbvkhie9@git.kernel.org
There is no point in using "xorq" to clear a register... use "xorl" to
clear the bottom 32 bits, and the upper 32 bits get cleared by virtue
of zero extension.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Kees Cook <keescook@chromium.org>
Link: http://lkml.kernel.org/n/tip-b76zi1gep39c0zs8fbvkhie9@git.kernel.org
| arch/x86/kernel/relocate_kernel_64.S | diffblobblamehistory |