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[PATCH 02/15] Drivers: hv: utils: reduce HV_UTIL_NEGO_TIMEOUT timeout

Started bykys@exchange.microsoft.com
First post2016-10-31 06:50 +0100
Last post2016-10-31 06:50 +0100
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  [PATCH 02/15] Drivers: hv: utils: reduce HV_UTIL_NEGO_TIMEOUT timeout kys@exchange.microsoft.com - 2016-10-31 06:50 +0100

#1512333 — [PATCH 02/15] Drivers: hv: utils: reduce HV_UTIL_NEGO_TIMEOUT timeout

Fromkys@exchange.microsoft.com
Date2016-10-31 06:50 +0100
Subject[PATCH 02/15] Drivers: hv: utils: reduce HV_UTIL_NEGO_TIMEOUT timeout
Message-ID<sydDQ-6BQ-9@gated-at.bofh.it>
From: Vitaly Kuznetsov <vkuznets@redhat.com>

I discovered that at least WS2016TP5 host has 60 seconds timeout for the
ICMSGTYPE_NEGOTIATE message so we need to lower guest's timeout a little
bit to make sure we always respond in time. Let's make it 55 seconds.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
 drivers/hv/hyperv_vmbus.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index a5b4442..bdab7e7 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -38,7 +38,7 @@
 /*
  * Timeout for guest-host handshake for services.
  */
-#define HV_UTIL_NEGO_TIMEOUT 60
+#define HV_UTIL_NEGO_TIMEOUT 55
 
 /*
  * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
-- 
1.7.4.1

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