From: Mark Brown <broonie@kernel.org>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, mcgrof@kernel.org,
alex.williamson@redhat.com
Subject: Re: [PATCH -next 0/5] rbtree: optimize frequent tree walks
Date: Thu, 13 Feb 2020 16:56:49 +0000 [thread overview]
Message-ID: <20200213165649.GG4333@sirena.org.uk> (raw)
In-Reply-To: <20200213155520.bd332lzo4py27o5k@linux-p48b>
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On Thu, Feb 13, 2020 at 07:55:20AM -0800, Davidlohr Bueso wrote:
> On Tue, 11 Feb 2020, Mark Brown wrote:
> > As I said in reply to the regmap patch I'm really unconvinced that any
> > benefit will outweigh the increased memory costs for that usage.
> I'm not arguing the regmap case; if it's not worth it it's not worth it.
> With that conversion I was merely hoping that sync was used enough for
> it to be considered.
Well, it's used a fair amount but like I say it's mainly used in the
context of working out what I2C or SPI I/O to do so the amount of CPU
time consumed is neither here nor there really, we'd have to be doing
spectacularly badly for it to register.
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prev parent reply other threads:[~2020-02-13 16:56 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-07 18:03 Davidlohr Bueso
2020-02-07 18:03 ` [PATCH 1/5] lib/rbtree: introduce linked-list rbtree interface Davidlohr Bueso
2020-02-10 20:07 ` Luis Chamberlain
2020-02-10 21:28 ` Davidlohr Bueso
2020-02-10 21:44 ` Luis Chamberlain
2020-02-07 18:03 ` [PATCH 2/5] proc/sysctl: optimize proc_sys_readdir Davidlohr Bueso
2020-02-10 20:08 ` Luis Chamberlain
2020-02-07 18:03 ` [PATCH 3/5] regmap: optimize sync() and drop() regcache callbacks Davidlohr Bueso
2020-02-10 13:11 ` Mark Brown
2020-02-07 18:03 ` [PATCH 4/5] vfio/type1: optimize dma_list tree iterations Davidlohr Bueso
2020-02-07 18:03 ` [PATCH 5/5] uprobes: optimize build_probe_list() Davidlohr Bueso
2020-02-10 1:46 ` [PATCH -next 0/5] rbtree: optimize frequent tree walks Andrew Morton
2020-02-10 15:56 ` Davidlohr Bueso
2020-02-10 22:35 ` Andrew Morton
2020-02-13 15:50 ` Davidlohr Bueso
2020-02-11 11:20 ` Mark Brown
2020-02-13 15:55 ` Davidlohr Bueso
2020-02-13 16:56 ` Mark Brown [this message]
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