linux-kernel - [PATCH] xen: ifdef CONFIG_HIBERNATE_CALLBACKS xen_*

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Message-ID: <1372339718-12102-1-git-send-email-stefano.stabellini@eu.citrix.com>
Date:	Thu, 27 Jun 2013 14:28:38 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	<konrad.wilk@...cle.com>
CC:	<linux-kernel@...r.kernel.org>, <stefano.stabellini@...rix.com>,
	<xen-devel@...ts.xen.org>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>
Subject: [PATCH] xen: ifdef CONFIG_HIBERNATE_CALLBACKS xen_*_suspend

xen_hvm_post_suspend, xen_pre_suspend, xen_post_suspend are only used if
CONFIG_HIBERNATE_CALLBACKS is defined, resulting in:

drivers/xen/manage.c:46:13: warning: ‘xen_hvm_post_suspend’ defined but not used [-Wunused-function]
drivers/xen/manage.c:52:13: warning: ‘xen_pre_suspend’ defined but not used [-Wunused-function]
drivers/xen/manage.c:59:13: warning: ‘xen_post_suspend’ defined but not used [-Wunused-function]

If the kernel config is missing CONFIG_HIBERNATE_CALLBACKS.

Simply ifdef CONFIG_HIBERNATE_CALLBACKS the three functions.

Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
---
 drivers/xen/manage.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 412b96c..b1005d4 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -43,6 +43,7 @@ struct suspend_info {
 	void (*post)(int cancelled);
 };
 
+#ifdef CONFIG_HIBERNATE_CALLBACKS
 static void xen_hvm_post_suspend(int cancelled)
 {
 	xen_arch_hvm_post_suspend(cancelled);
@@ -63,7 +64,6 @@ static void xen_post_suspend(int cancelled)
 	xen_mm_unpin_all();
 }
 
-#ifdef CONFIG_HIBERNATE_CALLBACKS
 static int xen_suspend(void *data)
 {
 	struct suspend_info *si = data;
-- 
1.7.2.5

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