diff options
author | Rusty Russell <rusty@rustcorp.com.au> | 2013-08-09 07:30:39 +0400 |
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committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-08-09 07:30:39 +0400 |
commit | 11489736177c5930514482b4db7af862d945335d (patch) | |
tree | 8590ec4ba037b79c94982e15922fe50a1f0193a3 /drivers/hv/hv_balloon.c | |
parent | 3f0d0c9b47e09d47fcb755fed786a1ee88e110b5 (diff) | |
parent | 6c2580c501c660fdfb506061e016d84570fceba1 (diff) | |
download | linux-11489736177c5930514482b4db7af862d945335d.tar.xz |
Merge branch 'master' into virtio-next
The next commit gets conflicts because it relies on patches which were
cc:stable and thus had to be merged into Linus' tree before the coming
merge window. So pull in master now.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/hv/hv_balloon.c')
-rw-r--r-- | drivers/hv/hv_balloon.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 4c605c70ebf9..deb5c25305af 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num_pages_ballooned + compute_balloon_floor(); + /* + * If our transaction ID is no longer current, just don't + * send the status.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, |