linux-kernel - [PATCH 2/2] x86, mce: Add additional kernel boot parameter

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Date:   Mon, 14 Oct 2019 14:21:01 -0700
From:   Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:     tony.luck@...el.com, bp@...en8.de, tglx@...utronix.de,
        mingo@...hat.com, hpa@...or.com, bberg@...hat.com
Cc:     x86@...nel.org, linux-edac@...r.kernel.org,
        linux-kernel@...r.kernel.org, hdegoede@...hat.com,
        ckellner@...hat.com,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: [PATCH 2/2] x86, mce: Add additional kernel boot parameter

Add one boot option to specify thermal throttle warning. The default
interval is 8 seconds.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.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 a84a83f8881e..6dce92ac28d0 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5334,6 +5334,11 @@
 			as generic guest with no PV drivers. Currently support
 			XEN HVM, KVM, HYPER_V and VMWARE guest.
 
+	x86_therm_warn_delay=	[X86] Specify threshold to warn user about an
+			active thermal throttling condition in milli seconds.
+			If the thermal throttling is still active after this
+			interval, this event is logged in the kernel logs.
+
 	xirc2ps_cs=	[NET,PCMCIA]
 			Format:
 			<irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]]
-- 
2.17.2