linux-kernel - linux-next: manual merge of the tip tree with Linus' tree

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Message-Id: <20140128114313.76eed729898870aecc5f9040@canb.auug.org.au>
Date:	Tue, 28 Jan 2014 11:43:13 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Kees Cook <keescook@...omium.org>,
	Aaron Tomlin <atomlin@...hat.com>
Subject: linux-next: manual merge of the tip tree with Linus' tree

Hi all,

Today's linux-next merge of the tip tree got a conflict in
Documentation/sysctl/kernel.txt between commit 7984754b99b6 ("kexec: add
sysctl to disable kexec_load") from Linus' tree and commit 270750dbc18a
("hung_task: Display every hung task warning") from the tip tree.

I fixed it up (see below) and can carry the fix as necessary (no action
is required).

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

diff --cc Documentation/sysctl/kernel.txt
index ee9a2f983b99,4205f3c05cbe..000000000000
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@@ -33,7 -33,10 +33,11 @@@ show up in /proc/sys/kernel
  - domainname
  - hostname
  - hotplug
+ - hung_task_panic
+ - hung_task_check_count
+ - hung_task_timeout_secs
+ - hung_task_warnings
 +- kexec_load_disabled
  - kptr_restrict
  - kstack_depth_to_print       [ X86 only ]
  - l2cr                        [ PPC only ]
@@@ -288,18 -291,44 +292,56 @@@ Default value is "/sbin/hotplug"
  
  ==============================================================
  
+ hung_task_panic:
+ 
+ Controls the kernel's behavior when a hung task is detected.
+ This file shows up if CONFIG_DETECT_HUNG_TASK is enabled.
+ 
+ 0: continue operation. This is the default behavior.
+ 
+ 1: panic immediately.
+ 
+ ==============================================================
+ 
+ hung_task_check_count:
+ 
+ The upper bound on the number of tasks that are checked.
+ This file shows up if CONFIG_DETECT_HUNG_TASK is enabled.
+ 
+ ==============================================================
+ 
+ hung_task_timeout_secs:
+ 
+ Check interval. When a task in D state did not get scheduled
+ for more than this value report a warning.
+ This file shows up if CONFIG_DETECT_HUNG_TASK is enabled.
+ 
+ 0: means infinite timeout - no checking done.
+ 
+ ==============================================================
+ 
+ hung_task_warning:
+ 
+ The maximum number of warnings to report. During a check interval
+ When this value is reached, no more the warnings will be reported.
+ This file shows up if CONFIG_DETECT_HUNG_TASK is enabled.
+ 
+ -1: report an infinite number of warnings.
+ 
+ ==============================================================
+ 
 +kexec_load_disabled:
 +
 +A toggle indicating if the kexec_load syscall has been disabled. This
 +value defaults to 0 (false: kexec_load enabled), but can be set to 1
 +(true: kexec_load disabled). Once true, kexec can no longer be used, and
 +the toggle cannot be set back to false. This allows a kexec image to be
 +loaded before disabling the syscall, allowing a system to set up (and
 +later use) an image without it being altered. Generally used together
 +with the "modules_disabled" sysctl.
 +
 +==============================================================
 +
  kptr_restrict:
  
  This toggle indicates whether restrictions are placed on

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