Merge tag 'orphans-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

374aeb91 · Linus Torvalds <[email protected]> · 2021-06-08 10:25:20 -07:00

Pull orphan section fixes from Kees Cook:
 "These two corner case fixes have been in -next for about a week:

   - Avoid orphan section in ARM cpuidle (Arnd Bergmann)

   - Avoid orphan section with !SMP (Nathan Chancellor)"

* tag 'orphans-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  vmlinux.lds.h: Avoid orphan section with !SMP
  ARM: cpuidle: Avoid orphan section warning

Commit: 374aeb91db48bb52216bb9308d611c816fb6cacb
Parents: 591a22c1 · d4c63999

Merge commit. Changes below are compared with the first parent: 591a22c1.

Changes

2 files changed · +4 −2

File	Status	Add	Del	Content
arch/arm/include/asm/cpuidle.h	modified	+3	−2	View file
include/asm-generic/vmlinux.lds.h	modified	+1	−0	View file

arch/arm/include/asm/cpuidle.h

View file

diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h
index 0d67ed6..bc4ffa7 100644
--- a/arch/arm/include/asm/cpuidle.h
+++ b/arch/arm/include/asm/cpuidle.h
@@ -7,9 +7,11 @@
 #ifdef CONFIG_CPU_IDLE
 extern int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
 		struct cpuidle_driver *drv, int index);
+#define __cpuidle_method_section __used __section("__cpuidle_method_of_table")
 #else
 static inline int arm_cpuidle_simple_enter(struct cpuidle_device *dev,
 		struct cpuidle_driver *drv, int index) { return -ENODEV; }
+#define __cpuidle_method_section __maybe_unused /* drop silently */
 #endif
 
 /* Common ARM WFI state */
@@ -42,8 +44,7 @@ struct of_cpuidle_method {
 
 #define CPUIDLE_METHOD_OF_DECLARE(name, _method, _ops)			\
 	static const struct of_cpuidle_method __cpuidle_method_of_table_##name \
-	__used __section("__cpuidle_method_of_table")			\
-	= { .method = _method, .ops = _ops }
+	__cpuidle_method_section = { .method = _method, .ops = _ops }
 
 extern int arm_cpuidle_suspend(int index);
 

include/asm-generic/vmlinux.lds.h

View file

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 40a9c10..1732541 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -960,6 +960,7 @@
 #ifdef CONFIG_AMD_MEM_ENCRYPT
 #define PERCPU_DECRYPTED_SECTION					\
 	. = ALIGN(PAGE_SIZE);						\
+	*(.data..decrypted)						\
 	*(.data..percpu..decrypted)					\
 	. = ALIGN(PAGE_SIZE);
 #else