The following commit has been merged into the x86/boot branch of tip: Commit-ID: 48bfdb9deffdc6b683feb25e15f4f26aac503501 Gitweb: https://git.kernel.org/tip/48bfdb9deffdc6b683feb25e15f4f26aac503501 Author: Arvind Sankar <nivedita@xxxxxxxxxxxx> AuthorDate: Tue, 07 Jan 2020 14:44:35 -05:00 Committer: Borislav Petkov <bp@xxxxxxx> CommitterDate: Wed, 12 Feb 2020 11:11:06 +01:00 x86/boot/compressed/64: Use LEA to initialize boot stack pointer It's shorter, and it's what is used in every other place, so make it consistent. Signed-off-by: Arvind Sankar <nivedita@xxxxxxxxxxxx> Signed-off-by: Borislav Petkov <bp@xxxxxxx> Link: https://lkml.kernel.org/r/20200107194436.2166846-2-nivedita@xxxxxxxxxxxx --- arch/x86/boot/compressed/head_64.S | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S index 1f1f6c8..d1220de 100644 --- a/arch/x86/boot/compressed/head_64.S +++ b/arch/x86/boot/compressed/head_64.S @@ -81,9 +81,7 @@ SYM_FUNC_START(startup_32) subl $1b, %ebp /* setup a stack and make sure cpu supports long mode. */ - movl $boot_stack_end, %eax - addl %ebp, %eax - movl %eax, %esp + leal boot_stack_end(%ebp), %esp call verify_cpu testl %eax, %eax
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