Commit 4868402d authored Oct 24, 2009 by Alexander Potashev Committed by Ingo Molnar Oct 24, 2009

x86, boot: Simplify setting of the PAE bit



A single 'movl' is shorter than the 'xorl'-'orl' pair.
No change in behaviour.

Signed-off-by: Alexander Potashev <aspotashev@gmail.com>
LKML-Reference: <1256341043-4928-1-git-send-email-aspotashev@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent b1258ac2

arch/x86/boot/compressed/head_64.S

+1 −2

Original line number	Diff line number	Diff line
		@@ -107,8 +107,7 @@ ENTRY(startup_32)
		lgdt gdt(%ebp)

		/* Enable PAE mode */
		xorl %eax, %eax
		orl $(X86_CR4_PAE), %eax
		movl $(X86_CR4_PAE), %eax
		movl %eax, %cr4

		/*