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authorJarkko Sakkinen <jarkko.sakkinen@intel.com>2012-05-08 21:22:46 +0300
committerH. Peter Anvin <hpa@linux.intel.com>2012-05-08 15:04:27 -0700
commitcda846f101fb1396b6924f1d9b68ac3d42de5403 (patch)
tree1fa8716c308b8e10156a1caf51d8ff6c98eceea9 /arch/x86/realmode/rm/header.S
parentbf8b88e97716feb750c3d34492f00d9c085e1183 (diff)
x86, realmode: read cr4 and EFER from kernel for 64-bit trampoline
This patch changes 64-bit trampoline so that CR4 and EFER are provided by the kernel instead of using fixed values. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com> Link: http://lkml.kernel.org/r/1336501366-28617-24-git-send-email-jarkko.sakkinen@intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/realmode/rm/header.S')
-rw-r--r--arch/x86/realmode/rm/header.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S
index b4c32632bf16..4612d5382791 100644
--- a/arch/x86/realmode/rm/header.S
+++ b/arch/x86/realmode/rm/header.S
@@ -9,6 +9,7 @@
.section ".header", "a"
+ .balign 16
GLOBAL(real_mode_header)
.long pa_text_start
.long pa_ro_end