linux-kernel - [PATCH] lguest: include function prototypes

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Date:	Wed, 13 Feb 2008 13:14:35 -0800
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	"rusty@...tcorp.com.au" <rusty@...tcorp.com.au>
Cc:	Ingo Molnar <mingo@...e.hu>, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] lguest: include function prototypes

Fix for sparse warning
arch/x86/lguest/boot.c:939:13: warning: symbol 'lguest_init' was not declared. Should it be static?

Added a declaration to asm-x86/lguest.h and moved the extern arrays there
as well.  As an alternative to including asm/lguest.h directly, an
include could be put in linux/lguest.h

Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
Rusty, just a suggestion.  If you'd like Ingo to take it in the x86
tree, please let him know.

 arch/x86/lguest/boot.c   |   10 +---------
 include/asm-x86/lguest.h |   11 +++++++++++
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 5afdde4..1e613fb 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -57,6 +57,7 @@
 #include <linux/lguest_launcher.h>
 #include <linux/virtio_console.h>
 #include <linux/pm.h>
+#include <asm/lguest.h>
 #include <asm/paravirt.h>
 #include <asm/param.h>
 #include <asm/page.h>
@@ -75,15 +76,6 @@
  * behaving in simplified but equivalent ways.  In particular, the Guest is the
  * same kernel as the Host (or at least, built from the same source code). :*/
 
-/* Declarations for definitions in lguest_guest.S */
-extern char lguest_noirq_start[], lguest_noirq_end[];
-extern const char lgstart_cli[], lgend_cli[];
-extern const char lgstart_sti[], lgend_sti[];
-extern const char lgstart_popf[], lgend_popf[];
-extern const char lgstart_pushf[], lgend_pushf[];
-extern const char lgstart_iret[], lgend_iret[];
-extern void lguest_iret(void);
-
 struct lguest_data lguest_data = {
 	.hcall_status = { [0 ... LHCALL_RING_SIZE-1] = 0xFF },
 	.noirq_start = (u32)lguest_noirq_start,
diff --git a/include/asm-x86/lguest.h b/include/asm-x86/lguest.h
index 4d9367b..9b17571 100644
--- a/include/asm-x86/lguest.h
+++ b/include/asm-x86/lguest.h
@@ -23,6 +23,17 @@
 /* Found in switcher.S */
 extern unsigned long default_idt_entries[];
 
+/* Declarations for definitions in lguest_guest.S */
+extern char lguest_noirq_start[], lguest_noirq_end[];
+extern const char lgstart_cli[], lgend_cli[];
+extern const char lgstart_sti[], lgend_sti[];
+extern const char lgstart_popf[], lgend_popf[];
+extern const char lgstart_pushf[], lgend_pushf[];
+extern const char lgstart_iret[], lgend_iret[];
+
+extern void lguest_iret(void);
+extern void lguest_init(void);
+
 struct lguest_regs
 {
 	/* Manually saved part. */
-- 
1.5.4.1.1278.gc75be



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