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From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: aik@au1.ibm.com, aik@ozlabs.ru, anton@au1.ibm.com,
	paulus@samba.org, sparclinux@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: Generic IOMMU pooled allocator
Date: Mon, 23 Mar 2015 19:09:38 +0000	[thread overview]
Message-ID: <20150323190938.GL14061@oracle.com> (raw)
In-Reply-To: <20150323.150508.149509757161802782.davem@davemloft.net>

On (03/23/15 15:05), David Miller wrote:
> 
> Why add performance regressions to old machines who already are
> suffering too much from all the bloat we are constantly adding to the
> kernel?

I have no personal opinion on this- it's a matter of  choosing
whether we want to have some extra baggage in the library to support
old hardware, or keep the code lean-and-mean for the future,
where the model has changed.

I'll let others on this list make the call.

--Sowmini


WARNING: multiple messages have this Message-ID (diff)
From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: aik@au1.ibm.com, aik@ozlabs.ru, anton@au1.ibm.com,
	paulus@samba.org, sparclinux@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: Generic IOMMU pooled allocator
Date: Mon, 23 Mar 2015 15:09:38 -0400	[thread overview]
Message-ID: <20150323190938.GL14061@oracle.com> (raw)
In-Reply-To: <20150323.150508.149509757161802782.davem@davemloft.net>

On (03/23/15 15:05), David Miller wrote:
> 
> Why add performance regressions to old machines who already are
> suffering too much from all the bloat we are constantly adding to the
> kernel?

I have no personal opinion on this- it's a matter of  choosing
whether we want to have some extra baggage in the library to support
old hardware, or keep the code lean-and-mean for the future,
where the model has changed.

I'll let others on this list make the call.

--Sowmini

  reply	other threads:[~2015-03-23 19:09 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-19  2:25 Generic IOMMU pooled allocator David Miller
2015-03-19  2:25 ` David Miller
2015-03-19  2:46 ` Benjamin Herrenschmidt
2015-03-19  2:46   ` Benjamin Herrenschmidt
2015-03-19  2:50   ` David Miller
2015-03-19  2:50     ` David Miller
2015-03-19  3:01 ` Benjamin Herrenschmidt
2015-03-19  3:01   ` Benjamin Herrenschmidt
2015-03-19  5:27   ` Alexey Kardashevskiy
2015-03-19  5:27     ` Alexey Kardashevskiy
2015-03-19 13:34     ` Sowmini Varadhan
2015-03-19 13:34       ` Sowmini Varadhan
2015-03-22 19:27     ` Sowmini Varadhan
2015-03-22 19:27       ` Sowmini Varadhan
2015-03-23 16:29       ` David Miller
2015-03-23 16:29         ` David Miller
2015-03-23 16:54         ` Sowmini Varadhan
2015-03-23 16:54           ` Sowmini Varadhan
2015-03-23 19:05           ` David Miller
2015-03-23 19:05             ` David Miller
2015-03-23 19:09             ` Sowmini Varadhan [this message]
2015-03-23 19:09               ` Sowmini Varadhan
2015-03-23 22:21             ` Benjamin Herrenschmidt
2015-03-23 22:21               ` Benjamin Herrenschmidt
2015-03-23 23:08               ` Sowmini Varadhan
2015-03-23 23:08                 ` Sowmini Varadhan
2015-03-23 23:29                 ` chase rayfield
2015-03-24  0:47                 ` Benjamin Herrenschmidt
2015-03-24  0:47                   ` Benjamin Herrenschmidt
2015-03-24  1:11                   ` Sowmini Varadhan
2015-03-24  1:11                     ` Sowmini Varadhan
2015-03-24  1:44               ` David Miller
2015-03-24  1:44                 ` David Miller
2015-03-24  1:57                 ` Sowmini Varadhan
2015-03-24  1:57                   ` Sowmini Varadhan
2015-03-24  2:08                 ` Benjamin Herrenschmidt
2015-03-24  2:08                   ` Benjamin Herrenschmidt
2015-03-24  2:15                   ` David Miller
2015-03-24  2:15                     ` David Miller
2015-03-26  0:43                     ` cascardo
2015-03-26  0:43                       ` cascardo
2015-03-26  0:49                       ` Benjamin Herrenschmidt
2015-03-26  0:49                         ` Benjamin Herrenschmidt
2015-03-26 10:56                       ` Sowmini Varadhan
2015-03-26 10:56                         ` Sowmini Varadhan
2015-03-26 22:51                       ` David Miller
2015-03-26 23:00                         ` David Miller
2015-03-26 23:51                         ` Benjamin Herrenschmidt
2015-03-26 23:51                           ` Benjamin Herrenschmidt
2015-03-23 22:36             ` Benjamin Herrenschmidt
2015-03-23 22:36               ` Benjamin Herrenschmidt
2015-03-23 23:19               ` Sowmini Varadhan
2015-03-23 23:19                 ` Sowmini Varadhan
2015-03-24  0:48                 ` Benjamin Herrenschmidt
2015-03-24  0:48                   ` Benjamin Herrenschmidt
2015-03-23 22:25           ` Benjamin Herrenschmidt
2015-03-23 22:25             ` Benjamin Herrenschmidt
2015-03-22 19:36 ` Arnd Bergmann
2015-03-22 19:36   ` Arnd Bergmann
2015-03-22 22:02   ` Benjamin Herrenschmidt
2015-03-22 22:02     ` Benjamin Herrenschmidt
2015-03-22 22:07     ` Sowmini Varadhan
2015-03-22 22:07       ` Sowmini Varadhan
2015-03-22 22:22       ` Benjamin Herrenschmidt
2015-03-22 22:22         ` Benjamin Herrenschmidt
2015-03-23  6:04         ` Arnd Bergmann
2015-03-23  6:04           ` Arnd Bergmann
2015-03-23 11:04           ` Benjamin Herrenschmidt
2015-03-23 11:04             ` Benjamin Herrenschmidt
2015-03-23 18:45             ` Arnd Bergmann
2015-03-23 18:45               ` Arnd Bergmann

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