linux-kernel - [PATCH 5/9] VMware balloon: Show capabilities or balloon and resulting capabilities in the debug-fs node.

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Message-Id: <1429032576-2656-7-git-send-email-moltmann@vmware.com>
Date:	Tue, 14 Apr 2015 10:29:32 -0700
From:	"Philip P. Moltmann" <moltmann@...are.com>
To:	gregkh@...uxfoundation.org
Cc:	linux-kernel@...r.kernel.org, xdeguillard@...are.com,
	akpm@...ux-foundation.org, pv-drivers@...are.com,
	"Philip P. Moltmann" <moltmann@...are.com>
Subject: [PATCH 5/9] VMware balloon: Show capabilities or balloon and resulting capabilities in the debug-fs node.

This helps with debugging vmw_balloon behavior, as it is clear what functionality is enabled.

Signed-off-by: Xavier Deguillard <xdeguillard@...are.com>
---
 drivers/misc/vmw_balloon.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
index 9eaafa6..b12f4dc 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -46,7 +46,7 @@
 
 MODULE_AUTHOR("VMware, Inc.");
 MODULE_DESCRIPTION("VMware Memory Control (Balloon) Driver");
-MODULE_VERSION("1.3.2.0-k");
+MODULE_VERSION("1.3.3.0-k");
 MODULE_ALIAS("dmi:*:svnVMware*:*");
 MODULE_ALIAS("vmware_vmmemctl");
 MODULE_LICENSE("GPL");
@@ -978,6 +978,12 @@ static int vmballoon_debug_show(struct seq_file *f, void *offset)
 	struct vmballoon *b = f->private;
 	struct vmballoon_stats *stats = &b->stats;
 
+	/* format capabilities info */
+	seq_printf(f,
+		   "balloon capabilities:   %#4x\n"
+		   "used capabilities:      %#4lx\n",
+		   VMW_BALLOON_CAPABILITIES, b->capabilities);
+
 	/* format size info */
 	seq_printf(f,
 		   "target:             %8d pages\n"
-- 
1.9.3

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