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Date:   Thu, 12 Jul 2018 15:51:47 +0200
From:   Alice Frosi <alice@...ux.vnet.ibm.com>
To:     Hendrik Brueckner <brueckner@...ux.ibm.com>,
        Adrian Reber <adrian@...as.de>
Cc:     linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oleg Nesterov <oleg@...hat.com>,
        Pavel Emelyanov <xemul@...tuozzo.com>,
        "Eric W . Biederman" <ebiederm@...ssion.com>,
        Andrei Vagin <avagin@...tuozzo.com>,
        Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>,
        alice@...ux.ibm.com
Subject: Re: [PATCH] kconfig: remove EXPERT from CHECKPOINT_RESTORE



On 12.07.2018 15:47, Hendrik Brueckner wrote:
> On Thu, Jul 12, 2018 at 03:07:33PM +0200, Adrian Reber wrote:
>> The CHECKPOINT_RESTORE configuration option was introduced in 2012 and
>> combined with EXPERT. CHECKPOINT_RESTORE is already enabled in many
>> distribution kernels and also part of the defconfigs of various
>> architectures.
>>
>> To make it easier for distributions to enable CHECKPOINT_RESTORE this
>> removes EXPERT and moves the configuration option out of the EXPERT
>> block.
>>
>> Signed-off-by: Adrian Reber <adrian@...as.de>
>> Cc: Oleg Nesterov <oleg@...hat.com>
>> Cc: Pavel Emelyanov <xemul@...tuozzo.com>
>> Cc: Andrew Morton <akpm@...ux-foundation.org>
>> Cc: Eric W. Biederman <ebiederm@...ssion.com>
>> Cc: Andrei Vagin <avagin@...tuozzo.com>
>> Cc: Hendrik Brueckner <brueckner@...ux.vnet.ibm.com>
>> ---
>>   init/Kconfig | 24 ++++++++++++------------
>>   1 file changed, 12 insertions(+), 12 deletions(-)
>>
>> diff --git a/init/Kconfig b/init/Kconfig
>> index 041f3a022122..9c529c763326 100644
>> --- a/init/Kconfig
>> +++ b/init/Kconfig
>> @@ -932,6 +932,18 @@ config NET_NS
>>
>>   endif # NAMESPACES
>>
>> +config CHECKPOINT_RESTORE
>> +	bool "Checkpoint/restore support"
>> +	select PROC_CHILDREN
>> +	default n
>> +	help
>> +	  Enables additional kernel features in a sake of checkpoint/restore.
>> +	  In particular it adds auxiliary prctl codes to setup process text,
>> +	  data and heap segment sizes, and a few additional /proc filesystem
>> +	  entries.
>> +
>> +	  If unsure, say N here.
>> +
>>   config SCHED_AUTOGROUP
>>   	bool "Automatic process group scheduling"
>>   	select CGROUPS
>> @@ -1348,18 +1360,6 @@ config MEMBARRIER
>>
>>   	  If unsure, say Y.
>>
>> -config CHECKPOINT_RESTORE
>> -	bool "Checkpoint/restore support" if EXPERT
>> -	select PROC_CHILDREN
>> -	default n
>> -	help
>> -	  Enables additional kernel features in a sake of checkpoint/restore.
>> -	  In particular it adds auxiliary prctl codes to setup process text,
>> -	  data and heap segment sizes, and a few additional /proc filesystem
>> -	  entries.
>> -
>> -	  If unsure, say N here.
>> -
>>   config KALLSYMS
>>   	 bool "Load all symbols for debugging/ksymoops" if EXPERT
>>   	 default y
> Thanks!
>
> Reviewed-by: Hendrik Brueckner <brueckner@...ux.ibm.com>

Reviewed-by: Alice Frosi <alice@...ux.vnet.ibm.com>

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