Re: [PATCH -next] x86/sev: Mark boot_ghcb_page and boot_ghcb static

From: Tom Lendacky
Date: Wed Jul 26 2023 - 09:23:06 EST


On 7/26/23 12:06, Li Zetao wrote:
This patch fixes the following sprse warning:

arch/x86/boot/compressed/sev.c:28:13: warning:
symbol boot_ghcb_page was not declared. Should it be static?
arch/x86/boot/compressed/sev.c:29:13: warning:
symbol boot_ghcb was not declared. Should it be static?

No functional change intended.

Signed-off-by: Li Zetao <lizetao1@xxxxxxxxxx>

Reviewed-by: Tom Lendacky <thomas.lendacky@xxxxxxx>

---
arch/x86/boot/compressed/sev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index 09dc8c187b3c..323f6298a6b2 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -25,8 +25,8 @@
#include "error.h"
#include "../msr.h"
-struct ghcb boot_ghcb_page __aligned(PAGE_SIZE);
-struct ghcb *boot_ghcb;
+static struct ghcb boot_ghcb_page __aligned(PAGE_SIZE);
+static struct ghcb *boot_ghcb;
/*
* Copy a version of this function here - insn-eval.c can't be used in