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Groups > linux.kernel > #1391730
| From | "K. Y. Srinivasan" <kys@microsoft.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH RESEND 4/5] Drivers: hv: balloon: reset host_specified_ha_region |
| Date | 2016-05-01 02:50 +0200 |
| Message-ID | <rtNKa-k6-13@gated-at.bofh.it> (permalink) |
| References | <rtNK9-k6-1@gated-at.bofh.it> <rtNK9-k6-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Vitaly Kuznetsov <vkuznets@redhat.com> We set host_specified_ha_region = true on certain request but this is a global state which stays 'true' forever. We need to reset it when we receive a request where ha_region is not specified. I did not see any real issues, the bug was found by code inspection. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> --- drivers/hv/hv_balloon.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index 43af913..df35fb7 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -1400,6 +1400,7 @@ static void balloon_onchannelcallback(void *context) * This is a normal hot-add request specifying * hot-add memory. */ + dm->host_specified_ha_region = false; ha_pg_range = &ha_msg->range; dm->ha_wrk.ha_page_range = *ha_pg_range; dm->ha_wrk.ha_region_range.page_range = 0; -- 1.7.4.1
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[PATCH RESEND 0/5] Drivers: hv: Some miscellaneous fixes "K. Y. Srinivasan" <kys@microsoft.com> - 2016-05-01 02:50 +0200 [PATCH RESEND 2/5] Drivers: hv: vmbus: handle various crash scenarios "K. Y. Srinivasan" <kys@microsoft.com> - 2016-05-01 02:50 +0200 [PATCH RESEND 5/5] tools: hv: lsvmbus: add pci pass-through UUID "K. Y. Srinivasan" <kys@microsoft.com> - 2016-05-01 02:50 +0200 [PATCH RESEND 3/5] Drivers: hv: balloon: don't crash when memory is added in non-sorted order "K. Y. Srinivasan" <kys@microsoft.com> - 2016-05-01 02:50 +0200 [PATCH RESEND 4/5] Drivers: hv: balloon: reset host_specified_ha_region "K. Y. Srinivasan" <kys@microsoft.com> - 2016-05-01 02:50 +0200 [PATCH RESEND 1/5] Drivers: hv: kvp: fix IP Failover "K. Y. Srinivasan" <kys@microsoft.com> - 2016-05-01 02:50 +0200
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