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authorAlex Ng <alexng@messages.microsoft.com>2016-11-07 00:14:12 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-07 12:01:17 +0300
commit8500096017e3a1baadbdefe8b84a99117472af46 (patch)
treea4974a34951f6127b5038cb59b76384dd3c45ee9
parentb357fd3908c1191f2f56e38aa77f2aecdae18bc8 (diff)
downloadlinux-8500096017e3a1baadbdefe8b84a99117472af46.tar.xz
Drivers: hv: balloon: Fix info request to show max page count
Balloon driver was only printing the size of the info blob and not the actual content. This fixes it so that the info blob (max page count as configured in Hyper-V) is printed out. Signed-off-by: Alex Ng <alexng@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/hv/hv_balloon.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 8cac29a24f21..14c3dc4bd23c 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -1034,8 +1034,13 @@ static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)
switch (info_hdr->type) {
case INFO_TYPE_MAX_PAGE_CNT:
- pr_info("Received INFO_TYPE_MAX_PAGE_CNT\n");
- pr_info("Data Size is %d\n", info_hdr->data_size);
+ if (info_hdr->data_size == sizeof(__u64)) {
+ __u64 *max_page_count = (__u64 *)&info_hdr[1];
+
+ pr_info("INFO_TYPE_MAX_PAGE_CNT = %llu\n",
+ *max_page_count);
+ }
+
break;
default:
pr_info("Received Unknown type: %d\n", info_hdr->type);