kernel: add per-cpu data section to kernel image

2023-03-17 20:07:19 +00:00
parent f816b97cf8
commit e1e897c953
3 changed files with 35 additions and 0 deletions
--- a/arch/x86_64/layout.ld
+++ b/arch/x86_64/layout.ld
@@ -31,6 +31,13 @@ SECTIONS {
        *(.data)
   }

+   .data.percpu ALIGN(4K) : AT(ADDR(.data.percpu) - KERNEL_VMA)
+   {
+	__percpu_start = .;
+	*(.data.percpu)
+	__percpu_end = .;
+   }
+
   .initcall ALIGN(4K) : AT(ADDR(.initcall) - KERNEL_VMA) {
        __initcall0_start = .;
        *(.initcall0.init)