linux-kernel - Re: [PATCH 3/5] lockdep: Apply bit_spin

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Message-ID: <20160621010508.GJ2279@X58A-UD3R>
Date:	Tue, 21 Jun 2016 10:05:08 +0900
From:	Byungchul Park <byungchul.park@....com>
To:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:	peterz@...radead.org, mingo@...nel.org,
	linux-kernel@...r.kernel.org, npiggin@...e.de,
	gregkh@...uxfoundation.org, minchan@...nel.org,
	sergey.senozhatsky.work@...il.com
Subject: Re: [PATCH 3/5] lockdep: Apply bit_spin_lock lockdep to zram

On Tue, Jun 21, 2016 at 12:36:19AM +0900, Sergey Senozhatsky wrote:
> 
> Hello,
> 
> just for information

Thank you for informing it.

> 
> there was a proposal from -rt people to use normal spinlocks
> for table's entries, rather that bitspinlock. I had a patch
> some time ago, will obtain some performance data and post
> RFC [may be tomorrow].
> 
> 	-ss
>