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From: Richard Weinberger <richard@nod.at>
To: Randy Dunlap <rdunlap@infradead.org>, linux-kernel@vger.kernel.org
Cc: linux-api@vger.kernel.org
Subject: Re: New syscall: leftpad()
Date: Fri, 1 Apr 2016 10:06:05 +0200	[thread overview]
Message-ID: <56FE2BED.2060402@nod.at> (raw)
In-Reply-To: <56FDB478.4020609@infradead.org>

Am 01.04.2016 um 01:36 schrieb Randy Dunlap:
> Please be more careful in your description...

I'm very sorry. Will do a v2 soon. ;-)

> On 03/31/16 15:33, Richard Weinberger wrote:
>> Recent happenings in the node.js community showed how fragile software is when
>> it comes to dependencies of fundamental algorithms like leftpad[1].
>> A node.js package which provided ledpad vanished and broke a lot of software.
> 
>                                    leftpad
> 
>> This raised our attention and we came to the conclusion that it is the kernel's
>> job to provide such functionality such that node.js based applications can in future
>> rely in Linux's "don't break userspace" rule.
>> We hope that glibc and Andoid's bionic will soon offer wrapper functions for this
> 
>                          Android's
> 
>> new leftpad system call.
>> We put leftpad into the kernel not only because of Linux's stable ABI,
>> also for performance reasons.
>> As everyone knows, within the kernel everything is faster and better.
>> Leftpad has millions of users, so it has to be as fast as possible.
>> This new system call will also help making services like left-pad.io[2]
>> faster and more reliable. If the leftpad() system call gets adopted by a wider user base
>> it might also make sense to add a generic npm() system call which acts like ioctl()
>> where kernel modules can register new functions that are often used by node.js.
>> Such functions might be, is_array(), is_int(), etc.
> 
> 

Thanks,
//richard

WARNING: multiple messages have this Message-ID (diff)
From: Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>
To: Randy Dunlap <rdunlap-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: New syscall: leftpad()
Date: Fri, 1 Apr 2016 10:06:05 +0200	[thread overview]
Message-ID: <56FE2BED.2060402@nod.at> (raw)
In-Reply-To: <56FDB478.4020609-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>

Am 01.04.2016 um 01:36 schrieb Randy Dunlap:
> Please be more careful in your description...

I'm very sorry. Will do a v2 soon. ;-)

> On 03/31/16 15:33, Richard Weinberger wrote:
>> Recent happenings in the node.js community showed how fragile software is when
>> it comes to dependencies of fundamental algorithms like leftpad[1].
>> A node.js package which provided ledpad vanished and broke a lot of software.
> 
>                                    leftpad
> 
>> This raised our attention and we came to the conclusion that it is the kernel's
>> job to provide such functionality such that node.js based applications can in future
>> rely in Linux's "don't break userspace" rule.
>> We hope that glibc and Andoid's bionic will soon offer wrapper functions for this
> 
>                          Android's
> 
>> new leftpad system call.
>> We put leftpad into the kernel not only because of Linux's stable ABI,
>> also for performance reasons.
>> As everyone knows, within the kernel everything is faster and better.
>> Leftpad has millions of users, so it has to be as fast as possible.
>> This new system call will also help making services like left-pad.io[2]
>> faster and more reliable. If the leftpad() system call gets adopted by a wider user base
>> it might also make sense to add a generic npm() system call which acts like ioctl()
>> where kernel modules can register new functions that are often used by node.js.
>> Such functions might be, is_array(), is_int(), etc.
> 
> 

Thanks,
//richard

  reply	other threads:[~2016-04-01  8:06 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-31 22:33 New syscall: leftpad() Richard Weinberger
2016-03-31 22:33 ` Richard Weinberger
2016-03-31 22:33 ` [PATCH] Implement leftpad syscall Richard Weinberger
2016-03-31 22:46   ` Michael Kerrisk (man-pages)
2016-03-31 22:46     ` Michael Kerrisk (man-pages)
2016-03-31 23:09   ` Greg KH
2016-03-31 23:09     ` Greg KH
2016-04-01  1:33   ` Frederic Weisbecker
2016-04-01  3:22   ` kbuild test robot
2016-04-01  3:22     ` kbuild test robot
2016-04-01  6:56   ` Richard Cochran
2016-04-01  6:56     ` Richard Cochran
2016-04-01  7:14   ` Scotty Bauer
2016-03-31 22:33 ` [PATCH] leftpad.2: Document new syscall Richard Weinberger
2016-04-08 18:10   ` Heinrich Schuchardt
2016-04-08 18:10     ` Heinrich Schuchardt
2016-04-09 14:12     ` Richard Weinberger
2016-03-31 23:36 ` New syscall: leftpad() Randy Dunlap
2016-03-31 23:36   ` Randy Dunlap
2016-04-01  8:06   ` Richard Weinberger [this message]
2016-04-01  8:06     ` Richard Weinberger

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