Messages in this thread Patch in this message |  | | From | Arvind Sankar <> | Subject | [PATCH 2/3] x86/boot/compressed/64: Use leal to initialize boot stack pointer | Date | Tue, 7 Jan 2020 14:44:35 -0500 |
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It's shorter, and it's what we use in every other place, so make it consistent.
Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu> --- 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 58a512e33d8d..edd29340bcfd 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 -- 2.24.1
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