lkml.org 
[lkml]   [2020]   [Oct]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/3] Documentation: introduce a param "irqflood_suppress"
Date
The param "irqflood_suppress" is helpful for capture kernel to survive irq
flood.

Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Guilherme G. Piccoli" <gpiccoli@canonical.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: afzal mohammed <afzal.mohd.ma@gmail.com>
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Maulik Shah <mkshah@codeaurora.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Oliver Neukum <oneukum@suse.com>
To: linux-kernel@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Cc: kexec@lists.infradead.org
---
Documentation/admin-guide/kernel-parameters.txt | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index a106874..0a25a05 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2009,6 +2009,9 @@
for it. Also check all handlers each timer
interrupt. Intended to get systems with badly broken
firmware running.
+ irqflood_suppress [HW]
+ When a irq fully occupies a cpu in a long time, suppressing
+ it to make kernel move on. It is useful in the capture kernel.

isapnp= [ISAPNP]
Format: <RDP>,<reset>,<pci_scan>,<verbosity>
--
2.7.5
\
 
 \ /
  Last update: 2020-10-22 07:57    [W:0.086 / U:0.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site