From: Tomek The Messenger <tomekthemessenger@gmail.com>
To: Greg KH <greg@kroah.com>
Cc: kernelnewbies@kernelnewbies.org
Subject: Re: the cost of EXPORT_SYMBOL_GPL
Date: Wed, 17 Jun 2020 12:39:08 +0200 [thread overview]
Message-ID: <CAA4NGyvM=iu577hM-j6Mcu1-Wd5M6E_RzAKuuqp6AE8kor=iQQ@mail.gmail.com> (raw)
In-Reply-To: <20200617094119.GA1940079@kroah.com>
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OK, I will ask if it is possible to share the code.
Thanks
BR
Tomek
On Wed, Jun 17, 2020 at 11:41 AM Greg KH <greg@kroah.com> wrote:
> On Wed, Jun 17, 2020 at 11:17:28AM +0200, Tomek The Messenger wrote:
> > OK, so I had to wrongly described something because in my company this is
> > popular approach to use /sys as some abstract layer to get access to
> > registers.
>
> Please do not do that. There are valid kernel apis to grant access to
> registers easily, and creating random files and directories in the root
> of sysfs is not only the incorrect way of doing it, you are making more
> work for yourself to do so, adding more code that is not needed.
>
> Do you have a pointer to the code so that we can provide help with
> showing the "correct" way to do all of this?
>
> thanks,
>
> greg k-h
>
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next prev parent reply other threads:[~2020-06-17 10:40 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-16 13:18 the cost of EXPORT_SYMBOL_GPL Tomek The Messenger
2020-06-16 13:27 ` Greg KH
2020-06-17 7:58 ` Tomek The Messenger
2020-06-17 8:55 ` Greg KH
2020-06-17 9:17 ` Tomek The Messenger
2020-06-17 9:28 ` Tomek The Messenger
2020-06-17 9:41 ` Greg KH
2020-06-17 10:39 ` Tomek The Messenger [this message]
2020-06-17 12:24 ` Valdis Klētnieks
2020-06-17 12:31 ` Greg KH
2020-06-17 12:35 ` Martin Kaiser
2020-06-17 12:48 ` Tomek The Messenger
2020-06-17 13:20 ` Valdis Klētnieks
2020-06-17 13:34 ` Ahmad Fatoum
2020-06-17 14:26 ` Tomek The Messenger
2020-06-17 15:08 ` Greg KH
2020-06-17 18:33 ` Valdis Klētnieks
2020-06-17 13:31 ` Greg KH
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