[tip: x86/mm] x86/sev: Make boot_ghcb_page[] static

[tip-bot2 for GUO Zihua]

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

Commit-ID:     bfb32e2008e278507bd93bff91662422d9cda9da
Gitweb:        https://git.kernel.org/tip/bfb32e2008e278507bd93bff91662422d9cda9da
Author:        GUO Zihua <guozihua@xxxxxxxxxx>
AuthorDate:    Wed, 02 Aug 2023 10:14:36 +08:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Tue, 03 Oct 2023 15:31:27 +02:00

x86/sev: Make boot_ghcb_page[] static

boot_ghcb_page is not used by any other file, so make it static.

This also resolves sparse warning:

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

Signed-off-by: GUO Zihua <guozihua@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 arch/x86/boot/compressed/sev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c
index dc8c876..ba4868f 100644
--- a/arch/x86/boot/compressed/sev.c
+++ b/arch/x86/boot/compressed/sev.c
@@ -25,7 +25,7 @@
 #include "error.h"
 #include "../msr.h"
 
-struct ghcb boot_ghcb_page __aligned(PAGE_SIZE);
+static struct ghcb boot_ghcb_page __aligned(PAGE_SIZE);
 struct ghcb *boot_ghcb;
 
 /*