From: Richard Weinberger <richard@nod.at>
To: Tony Luck <tony.luck@gmail.com>
Cc: "Yu, Fenghua" <fenghua.yu@intel.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] ia64: Remove Linux/x86 domain support
Date: Thu, 17 Jul 2014 07:47:05 +0000 [thread overview]
Message-ID: <53C77F79.2010508@nod.at> (raw)
In-Reply-To: <CA+8MBbKA5UppTjLP6JYAeLMAyeUPBfF73j91xDCfoF_Vewy5=A@mail.gmail.com>
Am 17.07.2014 01:20, schrieb Tony Luck:
> On Sun, Jul 13, 2014 at 7:58 AM, Richard Weinberger <richard@nod.at> wrote:
>
> Did you read the comment?
Sure, please see my comment below.
>> -/*
>> - * Even when CONFIG_IA32_SUPPORT is not enabled it is
>> - * useful to have the Linux/x86 domain registered to
>> - * avoid an attempted module load when emulators call
>> - * personality(PER_LINUX32). This saves several milliseconds
>> - * on each such call.
>> - */
>
> I don't know if there are still people using ia32el to run x86 binaries
> on ia64 ... but if there are, they may be sad at the extra delays.
As written in 0/, the plan is to get rid of exec domains at all.
Therefore personality(PER_LINUX32) would no longer try to request a module.
Thanks,
//richard
WARNING: multiple messages have this Message-ID (diff)
From: richard@nod.at (Richard Weinberger)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ia64: Remove Linux/x86 domain support
Date: Thu, 17 Jul 2014 09:47:05 +0200 [thread overview]
Message-ID: <53C77F79.2010508@nod.at> (raw)
In-Reply-To: <CA+8MBbKA5UppTjLP6JYAeLMAyeUPBfF73j91xDCfoF_Vewy5=A@mail.gmail.com>
Am 17.07.2014 01:20, schrieb Tony Luck:
> On Sun, Jul 13, 2014 at 7:58 AM, Richard Weinberger <richard@nod.at> wrote:
>
> Did you read the comment?
Sure, please see my comment below.
>> -/*
>> - * Even when CONFIG_IA32_SUPPORT is not enabled it is
>> - * useful to have the Linux/x86 domain registered to
>> - * avoid an attempted module load when emulators call
>> - * personality(PER_LINUX32). This saves several milliseconds
>> - * on each such call.
>> - */
>
> I don't know if there are still people using ia32el to run x86 binaries
> on ia64 ... but if there are, they may be sad at the extra delays.
As written in 0/, the plan is to get rid of exec domains at all.
Therefore personality(PER_LINUX32) would no longer try to request a module.
Thanks,
//richard
WARNING: multiple messages have this Message-ID (diff)
From: Richard Weinberger <richard@nod.at>
To: Tony Luck <tony.luck@gmail.com>
Cc: "Yu, Fenghua" <fenghua.yu@intel.com>,
Russell King - ARM Linux <linux@arm.linux.org.uk>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] ia64: Remove Linux/x86 domain support
Date: Thu, 17 Jul 2014 09:47:05 +0200 [thread overview]
Message-ID: <53C77F79.2010508@nod.at> (raw)
In-Reply-To: <CA+8MBbKA5UppTjLP6JYAeLMAyeUPBfF73j91xDCfoF_Vewy5=A@mail.gmail.com>
Am 17.07.2014 01:20, schrieb Tony Luck:
> On Sun, Jul 13, 2014 at 7:58 AM, Richard Weinberger <richard@nod.at> wrote:
>
> Did you read the comment?
Sure, please see my comment below.
>> -/*
>> - * Even when CONFIG_IA32_SUPPORT is not enabled it is
>> - * useful to have the Linux/x86 domain registered to
>> - * avoid an attempted module load when emulators call
>> - * personality(PER_LINUX32). This saves several milliseconds
>> - * on each such call.
>> - */
>
> I don't know if there are still people using ia32el to run x86 binaries
> on ia64 ... but if there are, they may be sad at the extra delays.
As written in 0/, the plan is to get rid of exec domains at all.
Therefore personality(PER_LINUX32) would no longer try to request a module.
Thanks,
//richard
next prev parent reply other threads:[~2014-07-17 7:47 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-13 14:58 [RFC] Remove remaining users of exec domains Richard Weinberger
2014-07-13 14:58 ` Richard Weinberger
2014-07-13 14:58 ` Richard Weinberger
2014-07-13 14:58 ` [PATCH 1/2] arm: Remove RISC OS personality Richard Weinberger
2014-07-13 14:58 ` Richard Weinberger
2014-07-13 14:58 ` Richard Weinberger
2014-07-21 20:53 ` Russell King - ARM Linux
2014-07-21 20:53 ` Russell King - ARM Linux
2014-07-21 20:53 ` Russell King - ARM Linux
2014-07-13 14:58 ` [PATCH 2/2] ia64: Remove Linux/x86 domain support Richard Weinberger
2014-07-13 14:58 ` Richard Weinberger
2014-07-13 14:58 ` Richard Weinberger
2014-07-16 23:20 ` Tony Luck
2014-07-16 23:20 ` Tony Luck
2014-07-16 23:20 ` Tony Luck
2014-07-17 7:47 ` Richard Weinberger [this message]
2014-07-17 7:47 ` Richard Weinberger
2014-07-17 7:47 ` Richard Weinberger
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