linux-kernel - Re: [PATCH] staging: vt6656: Declare a few variables as __read

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Date:   Mon, 9 Mar 2020 09:32:10 +0000
From:   Quentin Deslandes <quentin.deslandes@...ev.co.uk>
To:     Oscar Carter <oscar.carter@....com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Forest Bond <forest@...ttletooquiet.net>,
        Malcolm Priestley <tvboxspy@...il.com>,
        Gabriela Bittencourt <gabrielabittencourt00@...il.com>,
        Colin Ian King <colin.king@...onical.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: vt6656: Declare a few variables as __read_mostly

On Sat, Mar 07, 2020 at 09:29:06AM +0100, Oscar Carter wrote:
> On Sun, Mar 01, 2020 at 04:09:13PM +0100, Greg Kroah-Hartman wrote:
> > On Sun, Mar 01, 2020 at 02:17:01PM +0100, Oscar Carter wrote:
> > This is a USB driver, performance is always limited to the hardware, not
> > the CPU location of variables.
> 
> Thank you for the explanation.
> 
> >
> > Please always benchmark things to see if it actually makes sense to make
> > changes like this, before proposing them.
> 
> I'm sorry.
> 

I've been removed from CC list on Greg's answer, so I haven't seen the
explanation earlier and reviewed the patch the next day. I should have
know better, won't happen again.

Thank you,
Quentin