arm64: kernel: Convert to modern annotations for assembly data

In an effort to clarify and simplify the annotation of assembly functions
in the kernel new macros have been introduced. These include specific
annotations for the start and end of data, update symbols for data to use
these.
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

arch/arm64/kernel/entry.S

@@ -859,9 +859,9 @@ SYM_CODE_END(tramp_exit_compat)
 #ifdef CONFIG_RANDOMIZE_BASE
 	.pushsection ".rodata", "a"
 	.align PAGE_SHIFT
-	.globl	__entry_tramp_data_start
-__entry_tramp_data_start:
+SYM_DATA_START(__entry_tramp_data_start)
 	.quad	vectors
+SYM_DATA_END(__entry_tramp_data_start)
 	.popsection				// .rodata
 #endif /* CONFIG_RANDOMIZE_BASE */
 #endif /* CONFIG_UNMAP_KERNEL_AT_EL0 */
@@ -983,8 +983,9 @@ NOKPROBE(__sdei_asm_exit_trampoline)
 .popsection		// .entry.tramp.text
 #ifdef CONFIG_RANDOMIZE_BASE
 .pushsection ".rodata", "a"
-__sdei_asm_trampoline_next_handler:
+SYM_DATA_START(__sdei_asm_trampoline_next_handler)
 	.quad	__sdei_asm_handler
+SYM_DATA_END(__sdei_asm_trampoline_next_handler)
 .popsection		// .rodata
 #endif /* CONFIG_RANDOMIZE_BASE */
 #endif /* CONFIG_UNMAP_KERNEL_AT_EL0 */

arch/arm64/kernel/head.S

@@ -464,8 +464,9 @@ SYM_FUNC_END(__primary_switched)
  */
 	.section ".idmap.text","awx"
 
-ENTRY(kimage_vaddr)
+SYM_DATA_START(kimage_vaddr)
 	.quad		_text - TEXT_OFFSET
+SYM_DATA_END(kimage_vaddr)
 EXPORT_SYMBOL(kimage_vaddr)
 
 /*
@@ -667,15 +668,17 @@ SYM_FUNC_END(set_cpu_boot_mode_flag)
  * This is not in .bss, because we set it sufficiently early that the boot-time
  * zeroing of .bss would clobber it.
  */
-ENTRY(__boot_cpu_mode)
+SYM_DATA_START(__boot_cpu_mode)
 	.long	BOOT_CPU_MODE_EL2
 	.long	BOOT_CPU_MODE_EL1
+SYM_DATA_END(__boot_cpu_mode)
 /*
  * The booting CPU updates the failed status @__early_cpu_boot_status,
  * with MMU turned off.
  */
-ENTRY(__early_cpu_boot_status)
+SYM_DATA_START(__early_cpu_boot_status)
 	.quad 	0
+SYM_DATA_END(__early_cpu_boot_status)
 
 	.popsection