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From: Byungchul Park <byungchul.park@lge.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: peterz@infradead.org, axboe@kernel.dk, tglx@linutronix.de,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org, tj@kernel.org,
	johannes.berg@intel.com, oleg@redhat.com, amir73il@gmail.com,
	david@fromorbit.com, darrick.wong@oracle.com,
	linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-block@vger.kernel.org, hch@infradead.org,
	idryomov@gmail.com, kernel-team@lge.com
Subject: Re: [PATCH v3 4/8] lockdep: Add a kernel parameter, crossrelease_fullstack
Date: Wed, 25 Oct 2017 08:45:38 +0900	[thread overview]
Message-ID: <20171024234538.GM3310@X58A-UD3R> (raw)
In-Reply-To: <20171024100858.2rw7wnhtj7d3iyzk@gmail.com>

On Tue, Oct 24, 2017 at 12:08:58PM +0200, Ingo Molnar wrote:
> This is really unnecessarily complex.

I mis-understood your suggestion. I will change it.

> The proper logic is to introduce the crossrelease_fullstack boot parameter, and to 
> also have a Kconfig option that enables it: 
> 
> 	CONFIG_BOOTPARAM_LOCKDEP_CROSSRELEASE_FULLSTACK=y
> 
> No #ifdefs please - just an "if ()" branch dependent on the current value of 
> crossrelease_fullstack.

Ok. I will.

Thanks,
Byungchul

> Thanks,
> 
> 	Ingo

WARNING: multiple messages have this Message-ID (diff)
From: Byungchul Park <byungchul.park@lge.com>
To: Ingo Molnar <mingo@kernel.org>
Cc: peterz@infradead.org, axboe@kernel.dk, tglx@linutronix.de,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org, tj@kernel.org,
	johannes.berg@intel.com, oleg@redhat.com, amir73il@gmail.com,
	david@fromorbit.com, darrick.wong@oracle.com,
	linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-block@vger.kernel.org, hch@infradead.org,
	idryomov@gmail.com, kernel-team@lge.com
Subject: Re: [PATCH v3 4/8] lockdep: Add a kernel parameter, crossrelease_fullstack
Date: Wed, 25 Oct 2017 08:45:38 +0900	[thread overview]
Message-ID: <20171024234538.GM3310@X58A-UD3R> (raw)
In-Reply-To: <20171024100858.2rw7wnhtj7d3iyzk@gmail.com>

On Tue, Oct 24, 2017 at 12:08:58PM +0200, Ingo Molnar wrote:
> This is really unnecessarily complex.

I mis-understood your suggestion. I will change it.

> The proper logic is to introduce the crossrelease_fullstack boot parameter, and to 
> also have a Kconfig option that enables it: 
> 
> 	CONFIG_BOOTPARAM_LOCKDEP_CROSSRELEASE_FULLSTACK=y
> 
> No #ifdefs please - just an "if ()" branch dependent on the current value of 
> crossrelease_fullstack.

Ok. I will.

Thanks,
Byungchul

> Thanks,
> 
> 	Ingo

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  reply	other threads:[~2017-10-24 23:45 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-24  9:38 [PATCH v3 0/8] cross-release: enhence performance and fix false positives Byungchul Park
2017-10-24  9:38 ` Byungchul Park
2017-10-24  9:38 ` [PATCH v3 1/8] block: use DECLARE_COMPLETION_ONSTACK in submit_bio_wait Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24  9:38 ` [PATCH v3 2/8] lockdep: Introduce CROSSRELEASE_STACK_TRACE and make it not unwind as default Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24 10:05   ` Ingo Molnar
2017-10-24 10:05     ` Ingo Molnar
2017-10-25  1:01     ` Byungchul Park
2017-10-25  1:01       ` Byungchul Park
2017-10-25  5:53       ` Ingo Molnar
2017-10-25  5:53         ` Ingo Molnar
2017-10-24 10:06   ` Ingo Molnar
2017-10-24 10:06     ` Ingo Molnar
2017-10-24  9:38 ` [PATCH v3 3/8] lockdep: Remove BROKEN flag of LOCKDEP_CROSSRELEASE Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24 10:06   ` Ingo Molnar
2017-10-24 10:06     ` Ingo Molnar
2017-10-24  9:38 ` [PATCH v3 4/8] lockdep: Add a kernel parameter, crossrelease_fullstack Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24 10:08   ` Ingo Molnar
2017-10-24 10:08     ` Ingo Molnar
2017-10-24 23:45     ` Byungchul Park [this message]
2017-10-24 23:45       ` Byungchul Park
2017-10-24  9:38 ` [PATCH v3 5/8] completion: Add support for initializing completion with lockdep_map Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24  9:38 ` [PATCH v3 6/8] lockdep: Remove unnecessary acquisitions wrt workqueue flush Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24  9:38 ` [PATCH v3 7/8] genhd.h: Remove trailing white space Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24 10:10   ` Ingo Molnar
2017-10-24 10:10     ` Ingo Molnar
2017-10-24  9:38 ` [PATCH v3 8/8] block: Assign a lock_class per gendisk used for wait_for_completion() Byungchul Park
2017-10-24  9:38   ` Byungchul Park
2017-10-24 10:15   ` Ingo Molnar
2017-10-24 10:15     ` Ingo Molnar
2017-10-25  0:26     ` Byungchul Park
2017-10-25  0:26       ` Byungchul Park
2017-10-25  5:55       ` Ingo Molnar
2017-10-25  5:55         ` Ingo Molnar

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