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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-29 11:50:17 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-29 11:50:17 -0700
commit9c5891bd4342349a200676d33f742dd1b864822c (patch)
treeb14c1698f2d8ce5276e1befd562f6398a46b48b9 /drivers/hv/hv_balloon.c
parentecda040ff3724f021a96491ecee88d48e968c153 (diff)
parent5ae90d8e467e625e447000cb4335c4db973b1095 (diff)
downloadlinux-9c5891bd4342349a200676d33f742dd1b864822c.tar.bz2
Merge 3.11-rc3 into char-misc-next.
This resolves a merge issue with: drivers/misc/mei/init.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv/hv_balloon.c')
-rw-r--r--drivers/hv/hv_balloon.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c
index 8dd08c029da2..2d094cfdb1e0 100644
--- a/drivers/hv/hv_balloon.c
+++ b/drivers/hv/hv_balloon.c
@@ -562,7 +562,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size,
struct hv_hotadd_state *has)
{
int ret = 0;
- int i, nid, t;
+ int i, nid;
unsigned long start_pfn;
unsigned long processed_pfn;
unsigned long total_pfn = pfn_count;
@@ -607,14 +607,11 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size,
/*
* Wait for the memory block to be onlined.
+ * Since the hot add has succeeded, it is ok to
+ * proceed even if the pages in the hot added region
+ * have not been "onlined" within the allowed time.
*/
- t = wait_for_completion_timeout(&dm_device.ol_waitevent, 5*HZ);
- if (t == 0) {
- pr_info("hot_add memory timedout\n");
- has->ha_end_pfn -= HA_CHUNK;
- has->covered_end_pfn -= processed_pfn;
- break;
- }
+ wait_for_completion_timeout(&dm_device.ol_waitevent, 5*HZ);
}
@@ -978,6 +975,14 @@ static void post_status(struct hv_dynmem_device *dm)
dm->num_pages_ballooned +
compute_balloon_floor();
+ /*
+ * If our transaction ID is no longer current, just don't
+ * send the status. This can happen if we were interrupted
+ * after we picked our transaction ID.
+ */
+ if (status.hdr.trans_id != atomic_read(&trans_id))
+ return;
+
vmbus_sendpacket(dm->dev->channel, &status,
sizeof(struct dm_status),
(unsigned long)NULL,