[PATCH v1 3/4] powerpc/kexec: Declare kexec_paca static

From: Christophe Leroy
Date: Fri Mar 04 2022 - 12:04:24 EST


kexec_paca is exclusively used in kexec/core_64.c

Declare is static.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/powerpc/include/asm/asm-prototypes.h | 2 --
arch/powerpc/kexec/core_64.c | 2 +-
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h
index 283bfeb8bf4c..83ef106923e6 100644
--- a/arch/powerpc/include/asm/asm-prototypes.h
+++ b/arch/powerpc/include/asm/asm-prototypes.h
@@ -24,9 +24,7 @@ extern struct task_struct *secondary_current;
void start_secondary(void *unused);

/* kexec */
-struct paca_struct;
struct kimage;
-extern struct paca_struct kexec_paca;
void kexec_copy_flush(struct kimage *image);

/* pseries hcall tracing */
diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c
index 635b5fc30b53..2d49dce129f2 100644
--- a/arch/powerpc/kexec/core_64.c
+++ b/arch/powerpc/kexec/core_64.c
@@ -291,7 +291,7 @@ static union thread_union kexec_stack __init_task_data =
* For similar reasons to the stack above, the kexecing CPU needs to be on a
* static PACA; we switch to kexec_paca.
*/
-struct paca_struct kexec_paca;
+static struct paca_struct kexec_paca;

/* Our assembly helper, in misc_64.S */
extern void kexec_sequence(void *newstack, unsigned long start,
--
2.34.1