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From: Yi Sun <yi.y.sun@linux.intel.com>
To: linux-kernel@vger.kernel.org
Cc: x86@kernel.org, chao.p.peng@intel.com, chao.gao@intel.com,
	isaku.yamahata@intel.com, michael.h.kelly@microsoft.com,
	tianyu.lan@microsoft.com, Yi Sun <yi.y.sun@linux.intel.com>,
	Jonathan Corbet <corbet@lwn.net>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>
Subject: [PATCH v1 3/3] hv: add description for hv_nopvspin
Date: Thu, 13 Sep 2018 17:13:25 +0800	[thread overview]
Message-ID: <1536830005-37260-4-git-send-email-yi.y.sun@linux.intel.com> (raw)
In-Reply-To: <1536830005-37260-1-git-send-email-yi.y.sun@linux.intel.com>

hv_nopvspin is a command line parameter used to
disable Hyper-V PV spinlock.

Cc: Jonathan Corbet <corbet@lwn.net>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 64a3bf5..fc761b5 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1385,6 +1385,11 @@
 	hvc_iucv_allow=	[S390]	Comma-separated list of z/VM user IDs.
 				If specified, z/VM IUCV HVC accepts connections
 				from listed z/VM user IDs only.
+
+	hv_nopvspin	[X86,HYPER_V]
+			Disables the ticketlock slowpath using HYPER-V PV
+			optimizations.
+
 	keep_bootcon	[KNL]
 			Do not unregister boot console at start. This is only
 			useful for debugging when something happens in the window
-- 
1.9.1


  parent reply	other threads:[~2018-09-13  9:38 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-13  9:13 [PATCH v1 0/3] Enable PV qspinlock for Hyper-V Yi Sun
2018-09-13  9:13 ` [PATCH v1 1/3] X86/Hyper-V: Add Guest IDLE MSR support Yi Sun
2018-09-13  9:13 ` [PATCH v1 2/3] locking/pvqspinlock, hv: Enable PV qspinlock for Hyper-V Yi Sun
2018-09-13 11:06   ` Thomas Gleixner
2018-09-14  8:53     ` Yi Sun
2018-09-13 11:24   ` Thomas Gleixner
2018-09-14  9:04     ` Yi Sun
2018-09-14 10:42       ` Thomas Gleixner
2018-09-17 12:54         ` Yi Sun
2018-09-20  1:56           ` Yi Sun
2018-09-13 16:16   ` kbuild test robot
2018-09-13 16:42   ` kbuild test robot
2018-09-13  9:13 ` Yi Sun [this message]
2018-09-15 23:43 ` [PATCH v1 0/3] " Michael Kelley (EOSG)
2018-09-17 14:37   ` Yi Sun

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