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Drivers: hv: balloon: Fix info request to show max page count

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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>
This commit is contained in:
Alex Ng 2016-11-06 13:14:12 -08:00 committed by Greg Kroah-Hartman
parent b357fd3908
commit 8500096017
1 changed files with 7 additions and 2 deletions
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9
drivers/hv/hv_balloon.c
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@ -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);