[tip: x86/cleanups] x86/cpu_entry_area: Annotate percpu_setup_exception_stacks() as __init

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The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     decb9ac4a9739c16e228f7b2918bfdca34cc89a9
Gitweb:        https://git.kernel.org/tip/decb9ac4a9739c16e228f7b2918bfdca34cc89a9
Author:        Nathan Chancellor <nathan@xxxxxxxxxx>
AuthorDate:    Thu, 22 Aug 2024 17:18:08 -07:00
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Sun, 25 Aug 2024 14:29:38 +02:00

x86/cpu_entry_area: Annotate percpu_setup_exception_stacks() as __init

After a recent LLVM change that deduces __cold on functions that only call
cold code (such as __init functions), there is a section mismatch warning
from percpu_setup_exception_stacks(), which got moved to .text.unlikely. as
a result of that optimization:

  WARNING: modpost: vmlinux: section mismatch in reference:
  percpu_setup_exception_stacks+0x3a (section: .text.unlikely.) ->
  cea_map_percpu_pages (section: .init.text)

Drop the inline keyword, which does not guarantee inlining, and replace it
with __init, as percpu_setup_exception_stacks() is only called from __init
code, which clears up the warning.

Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/all/20240822-x86-percpu_setup_exception_stacks-init-v1-1-57c5921b8209@xxxxxxxxxx

---
 arch/x86/mm/cpu_entry_area.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/mm/cpu_entry_area.c b/arch/x86/mm/cpu_entry_area.c
index e91500a..575f863 100644
--- a/arch/x86/mm/cpu_entry_area.c
+++ b/arch/x86/mm/cpu_entry_area.c
@@ -164,7 +164,7 @@ static void __init percpu_setup_exception_stacks(unsigned int cpu)
 	}
 }
 #else
-static inline void percpu_setup_exception_stacks(unsigned int cpu)
+static void __init percpu_setup_exception_stacks(unsigned int cpu)
 {
 	struct cpu_entry_area *cea = get_cpu_entry_area(cpu);
 




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