diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index b3bb326ae5b618a74cc3ca79d158f6d8b92c5743..3fa94288aa9329473e7eda8d7f8d5893dd5c99ba 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -6,6 +6,9 @@ #define VMLINUX_SYMBOL(_sym_) _sym_ #endif +/* Align . to a 8 byte boundary equals to maximum function alignment. */ +#define ALIGN_FUNCTION() . = ALIGN(8) + #define RODATA \ .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ *(.rodata) *(.rodata.*) \ @@ -79,12 +82,18 @@ VMLINUX_SYMBOL(__security_initcall_end) = .; \ } +/* sched.text is aling to function alignment to secure we have same + * address even at second ld pass when generating System.map */ #define SCHED_TEXT \ + ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__sched_text_start) = .; \ *(.sched.text) \ VMLINUX_SYMBOL(__sched_text_end) = .; +/* spinlock.text is aling to function alignment to secure we have same + * address even at second ld pass when generating System.map */ #define LOCK_TEXT \ + ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__lock_text_start) = .; \ *(.spinlock.text) \ VMLINUX_SYMBOL(__lock_text_end) = .;