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Date:   Tue, 28 Apr 2020 11:06:33 -0000
From:   "tip-bot2 for Christoph Hellwig" <tip-bot2@linutronix.de>
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To:     linux-tip-commits@vger.kernel.org
Subject: [tip: x86/boot] x86/tboot: Mark tboot static
Cc:     Christoph Hellwig <hch@lst.de>, Borislav Petkov <bp@suse.de>,
        x86 <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>
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The following commit has been merged into the x86/boot branch of tip:

Commit-ID:     767dea211cd0c68d8116d8c3b5104e82454fb44b
Gitweb:        https://git.kernel.org/tip/767dea211cd0c68d8116d8c3b5104e82454fb44b
Author:        Christoph Hellwig <hch@lst.de>
AuthorDate:    Tue, 28 Apr 2020 07:17:03 +02:00
Committer:     Borislav Petkov <bp@suse.de>
CommitterDate: Tue, 28 Apr 2020 11:05:44 +02:00

x86/tboot: Mark tboot static

This structure is only really used in tboot.c.  The only exception
is a single tboot_enabled check, but for that we don't need an inline
function.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200428051703.1625952-1-hch@lst.de
---
 arch/x86/kernel/tboot.c | 8 ++++++--
 include/linux/tboot.h   | 8 +-------
 2 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index b89f6ac..b2942b2 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -35,8 +35,7 @@
 #include "../realmode/rm/wakeup.h"
 
 /* Global pointer to shared data; NULL means no measured launch. */
-struct tboot *tboot __read_mostly;
-EXPORT_SYMBOL(tboot);
+static struct tboot *tboot __read_mostly;
 
 /* timeout for APs (in secs) to enter wait-for-SIPI state during shutdown */
 #define AP_WAIT_TIMEOUT		1
@@ -46,6 +45,11 @@ EXPORT_SYMBOL(tboot);
 
 static u8 tboot_uuid[16] __initdata = TBOOT_UUID;
 
+bool tboot_enabled(void)
+{
+	return tboot != NULL;
+}
+
 void __init tboot_probe(void)
 {
 	/* Look for valid page-aligned address for shared page. */
diff --git a/include/linux/tboot.h b/include/linux/tboot.h
index 5424bc6..c7e4247 100644
--- a/include/linux/tboot.h
+++ b/include/linux/tboot.h
@@ -121,13 +121,7 @@ struct tboot {
 #define TBOOT_UUID	{0xff, 0x8d, 0x3c, 0x66, 0xb3, 0xe8, 0x82, 0x4b, 0xbf,\
 			 0xaa, 0x19, 0xea, 0x4d, 0x5, 0x7a, 0x8}
 
-extern struct tboot *tboot;
-
-static inline int tboot_enabled(void)
-{
-	return tboot != NULL;
-}
-
+bool tboot_enabled(void);
 extern void tboot_probe(void);
 extern void tboot_shutdown(u32 shutdown_type);
 extern struct acpi_table_header *tboot_get_dmar_table(