From 26179670a68b7b365fbfe38afb043dcd2e1a4678 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Fri, 16 Jun 2017 14:30:24 +0300 Subject: [PATCH] x86/boot/64: Put __startup_64() into .head.text Put __startup_64() and fixup_pointer() into .head.text section to make sure it's always near startup_64() and always callable. Signed-off-by: Kirill A. Shutemov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: kernel test robot Cc: wfg@linux.intel.com Link: http://lkml.kernel.org/r/20170616113024.ajmif63cmcszry5a@black.fi.intel.com Signed-off-by: Ingo Molnar --- arch/x86/kernel/head64.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 2b2ac381195a..46c3c73e7f43 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -38,12 +38,14 @@ extern pmd_t early_dynamic_pgts[EARLY_DYNAMIC_PAGE_TABLES][PTRS_PER_PMD]; static unsigned int __initdata next_early_pgt; pmdval_t early_pmd_flags = __PAGE_KERNEL_LARGE & ~(_PAGE_GLOBAL | _PAGE_NX); -static void __init *fixup_pointer(void *ptr, unsigned long physaddr) +#define __head __section(.head.text) + +static void __head *fixup_pointer(void *ptr, unsigned long physaddr) { return ptr - (void *)_text + (void *)physaddr; } -void __init __startup_64(unsigned long physaddr) +void __head __startup_64(unsigned long physaddr) { unsigned long load_delta, *p; pgdval_t *pgd; -- 2.20.1