linux-kernel - Re: First kernel patch (optimization)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <55F9A5EB.4040500@gmail.com>
Date:	Wed, 16 Sep 2015 10:24:59 -0700
From:	Raymond Jennings <shentino@...il.com>
To:	Theodore Ts'o <tytso@....edu>,
	Eric Curtin <ericcurtin17@...il.com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Austin S Hemmelgarn <ahferroin7@...il.com>,
	Steve Calfee <stevecalfee@...il.com>,
	Valentina Manea <valentina.manea.m@...il.com>,
	shuah.kh@...sung.com, USB list <linux-usb@...r.kernel.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: First kernel patch (optimization)



On 09/16/15 09:40, Theodore Ts'o wrote:
> On Wed, Sep 16, 2015 at 05:03:39PM +0100, Eric Curtin wrote:
>> Hi Greg,
>>
>> As I said in the subject of the mail (which I have been since told I
>> shouldn't have done this), I'm a noob to kernel code. I tried to pick
>> off something super simple to just see what the process of getting a
>> patch in is. Youtube videos and documentation only get you so far.
>>
>>  From reading your response, should I refrain from sending in these
>> micro-optimizations in future? Getting in smaller patches is easier
>> for me as I only do this in my spare time, which I don't have a lot
>> of!
> What I'd ask you to consider is what your end goal?  Is it just to
> collect a scalp (woo hoo!  I've gotten a patch into the kernel)?  Or
> is it to actually make things better for yourself or other users?  Or
> are you trying to get make your self more employable, etc.
It could well be that he's wanting to practice getting used to the 
development process.

https://lkml.org/lkml/2004/12/20/255
> Micro-optimizations is often not particularly useful for anything
> other than the first goal, and it really doesn't help anyone.
>
> If you're just doing this in your spare time, then hopefully I hope
> you are being choosy about what's the best way to use your spare time,
> so the question of what your goals are going to be is a very important
> thing for you to figure out.  Regardless of whether it's worthwhile to
> get this patch into the kernel, doing any *more* micro-optimizations
> is probably not a good use of your time or anyone else's.
>
> I'd strongly encourage you to move on to something more than just
> micro-optimizations as quickly as possible.
Tytso is right here.  If you want to be useful you should find something 
with real impact once you've learned the ropes.


>
> Best regards,
>
> 							- Ted
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/