linux-kernel - [PATCH v4 5/9] VMware balloon: Show capabilities of balloon and resulting capabilities in the debug-fs node.

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Message-Id: <1438893227-2230-6-git-send-email-moltmann@vmware.com>
Date:	Thu,  6 Aug 2015 13:33:43 -0700
From:	"Philip P. Moltmann" <moltmann@...are.com>
To:	gregkh@...uxfoundation.org
Cc:	"Philip P. Moltmann" <moltmann@...are.com>,
	dmitry.torokhov@...il.com, linux-kernel@...r.kernel.org,
	xdeguillard@...are.com, akpm@...ux-foundation.org,
	pv-drivers@...are.com
Subject: [PATCH v4 5/9] VMware balloon: Show capabilities of balloon and resulting capabilities in the debug-fs node.

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

Acked-by: Andy King <acking@...are.com>
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 0b5aa93..f0beb65 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -47,7 +47,7 @@
 
 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");
@@ -979,6 +979,12 @@ 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"
-- 
2.4.3

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