From: Solar Designer <solar@openwall.com>
To: Florian Weimer <fweimer@redhat.com>
Cc: Pavel Machek <pavel@ucw.cz>,
madvenka@linux.microsoft.com,
kernel-hardening@lists.openwall.com, linux-api@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-security-module@vger.kernel.org, oleg@redhat.com,
x86@kernel.org, luto@kernel.org, David.Laight@ACULAB.COM,
mark.rutland@arm.com, mic@digikod.net,
Rich Felker <dalias@libc.org>
Subject: Re: [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor
Date: Wed, 23 Sep 2020 20:11:36 +0200 [thread overview]
Message-ID: <20200923181136.GA8846@openwall.com> (raw)
In-Reply-To: <87wo0ko8v0.fsf@oldenburg2.str.redhat.com>
On Wed, Sep 23, 2020 at 04:39:31PM +0200, Florian Weimer wrote:
> * Solar Designer:
>
> > While I share my opinion here, I don't mean that to block Madhavan's
> > work. I'd rather defer to people more knowledgeable in current userland
> > and ABI issues/limitations and plans on dealing with those, especially
> > to Florian Weimer. I haven't seen Florian say anything specific for or
> > against Madhavan's proposal, and I'd like to. (Have I missed that?)
[...]
> I think it's unnecessary for the libffi use case.
[...]
> I don't know if kernel support could
> make sense in this context, but it would be a completely different
> patch.
Thanks. Are there currently relevant use cases where the proposed
trampfd would be useful and likely actually made use of by userland -
e.g., specific userland project developers saying they'd use it, or
Madhavan intending to develop and contribute userland patches?
Alexander
WARNING: multiple messages have this Message-ID (diff)
From: Solar Designer <solar@openwall.com>
To: Florian Weimer <fweimer@redhat.com>
Cc: mark.rutland@arm.com, Rich Felker <dalias@libc.org>,
luto@kernel.org, kernel-hardening@lists.openwall.com,
linux-api@vger.kernel.org, x86@kernel.org,
linux-kernel@vger.kernel.org, oleg@redhat.com,
madvenka@linux.microsoft.com, mic@digikod.net,
linux-security-module@vger.kernel.org, David.Laight@ACULAB.COM,
Pavel Machek <pavel@ucw.cz>,
linux-fsdevel@vger.kernel.org, linux-integrity@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor
Date: Wed, 23 Sep 2020 20:11:36 +0200 [thread overview]
Message-ID: <20200923181136.GA8846@openwall.com> (raw)
In-Reply-To: <87wo0ko8v0.fsf@oldenburg2.str.redhat.com>
On Wed, Sep 23, 2020 at 04:39:31PM +0200, Florian Weimer wrote:
> * Solar Designer:
>
> > While I share my opinion here, I don't mean that to block Madhavan's
> > work. I'd rather defer to people more knowledgeable in current userland
> > and ABI issues/limitations and plans on dealing with those, especially
> > to Florian Weimer. I haven't seen Florian say anything specific for or
> > against Madhavan's proposal, and I'd like to. (Have I missed that?)
[...]
> I think it's unnecessary for the libffi use case.
[...]
> I don't know if kernel support could
> make sense in this context, but it would be a completely different
> patch.
Thanks. Are there currently relevant use cases where the proposed
trampfd would be useful and likely actually made use of by userland -
e.g., specific userland project developers saying they'd use it, or
Madhavan intending to develop and contribute userland patches?
Alexander
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-09-23 18:11 UTC|newest]
Thread overview: 111+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <210d7cd762d5307c2aa1676705b392bd445f1baa>
2020-09-16 15:08 ` [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor madvenka
2020-09-16 15:08 ` madvenka
2020-09-16 15:08 ` [PATCH v2 1/4] [RFC] fs/trampfd: Implement the trampoline file descriptor API madvenka
2020-09-16 15:08 ` madvenka
2020-09-16 15:08 ` [PATCH v2 2/4] [RFC] x86/trampfd: Provide support for the trampoline file descriptor madvenka
2020-09-16 15:08 ` madvenka
2020-09-17 1:10 ` kernel test robot
2020-09-17 3:04 ` kernel test robot
2020-09-16 15:08 ` [PATCH v2 3/4] [RFC] arm64/trampfd: " madvenka
2020-09-16 15:08 ` madvenka
2020-09-16 15:08 ` [PATCH v2 4/4] [RFC] arm/trampfd: " madvenka
2020-09-16 15:08 ` madvenka
2020-09-17 1:04 ` [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor Florian Weimer
2020-09-17 1:04 ` Florian Weimer
2020-09-17 1:04 ` Florian Weimer
2020-09-17 15:36 ` Madhavan T. Venkataraman
2020-09-17 15:36 ` Madhavan T. Venkataraman
2020-09-17 15:57 ` Madhavan T. Venkataraman
2020-09-17 15:57 ` Madhavan T. Venkataraman
2020-09-17 16:01 ` Florian Weimer
2020-09-17 16:01 ` Florian Weimer
2020-09-17 16:01 ` Florian Weimer
2020-09-23 1:46 ` Arvind Sankar
2020-09-23 1:46 ` Arvind Sankar
2020-09-23 9:11 ` Arvind Sankar
2020-09-23 9:11 ` Arvind Sankar
2020-09-23 19:17 ` Madhavan T. Venkataraman
2020-09-23 19:17 ` Madhavan T. Venkataraman
2020-09-23 19:51 ` Arvind Sankar
2020-09-23 19:51 ` Arvind Sankar
2020-09-23 23:51 ` Madhavan T. Venkataraman
2020-09-23 23:51 ` Madhavan T. Venkataraman
2020-09-24 20:23 ` Madhavan T. Venkataraman
2020-09-24 20:23 ` Madhavan T. Venkataraman
2020-09-24 20:52 ` Florian Weimer
2020-09-24 20:52 ` Florian Weimer
2020-09-24 20:52 ` Florian Weimer
2020-09-25 22:22 ` Madhavan T. Venkataraman
2020-09-25 22:22 ` Madhavan T. Venkataraman
2020-09-27 18:25 ` Madhavan T. Venkataraman
2020-09-27 18:25 ` Madhavan T. Venkataraman
2020-10-03 9:43 ` Jay K
2020-10-03 9:43 ` Jay K
2020-09-24 22:13 ` Pavel Machek
2020-09-24 22:13 ` Pavel Machek
2020-09-24 23:43 ` Arvind Sankar
2020-09-24 23:43 ` Arvind Sankar
2020-09-25 22:44 ` Madhavan T. Venkataraman
2020-09-25 22:44 ` Madhavan T. Venkataraman
2020-09-26 15:55 ` Arvind Sankar
2020-09-26 15:55 ` Arvind Sankar
2020-09-27 17:59 ` Madhavan T. Venkataraman
2020-09-27 17:59 ` Madhavan T. Venkataraman
2020-09-23 2:50 ` Jay K
2020-09-23 2:50 ` Jay K
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` [PATCH v2 1/4] [RFC] fs/trampfd: Implement the trampoline file descriptor API madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` [PATCH v2 2/4] [RFC] x86/trampfd: Provide support for the trampoline file descriptor madvenka
2020-09-22 21:53 ` madvenka
2020-09-23 13:40 ` kernel test robot
2020-09-22 21:53 ` [PATCH v2 3/4] [RFC] arm64/trampfd: " madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:53 ` [PATCH v2 4/4] [RFC] arm/trampfd: " madvenka
2020-09-22 21:53 ` madvenka
2020-09-22 21:54 ` [PATCH v2 0/4] [RFC] Implement Trampoline File Descriptor Madhavan T. Venkataraman
2020-09-22 21:54 ` Madhavan T. Venkataraman
2020-09-23 8:14 ` Pavel Machek
2020-09-23 8:14 ` Pavel Machek
2020-09-23 9:14 ` Solar Designer
2020-09-23 9:14 ` Solar Designer
2020-09-23 14:11 ` Solar Designer
2020-09-23 14:11 ` Solar Designer
2020-09-23 15:18 ` Pavel Machek
2020-09-23 15:18 ` Pavel Machek
2020-09-23 18:00 ` Solar Designer
2020-09-23 18:00 ` Solar Designer
2020-09-23 18:21 ` Solar Designer
2020-09-23 18:21 ` Solar Designer
2020-09-23 14:39 ` Florian Weimer
2020-09-23 14:39 ` Florian Weimer
2020-09-23 14:39 ` Florian Weimer
2020-09-23 18:09 ` Andy Lutomirski
2020-09-23 18:09 ` Andy Lutomirski
2020-09-23 18:11 ` Solar Designer [this message]
2020-09-23 18:11 ` Solar Designer
2020-09-23 18:49 ` Arvind Sankar
2020-09-23 18:49 ` Arvind Sankar
2020-09-23 23:53 ` Madhavan T. Venkataraman
2020-09-23 23:53 ` Madhavan T. Venkataraman
2020-09-23 19:41 ` Madhavan T. Venkataraman
2020-09-23 19:41 ` Madhavan T. Venkataraman
2020-09-23 18:10 ` James Morris
2020-09-23 18:10 ` James Morris
2020-09-23 18:32 ` Madhavan T. Venkataraman
2020-09-23 18:32 ` Madhavan T. Venkataraman
2020-09-23 8:42 ` Pavel Machek
2020-09-23 8:42 ` Pavel Machek
2020-09-23 18:56 ` Madhavan T. Venkataraman
2020-09-23 18:56 ` Madhavan T. Venkataraman
2020-09-23 20:51 ` Pavel Machek
2020-09-23 20:51 ` Pavel Machek
2020-09-23 23:04 ` Madhavan T. Venkataraman
2020-09-23 23:04 ` Madhavan T. Venkataraman
2020-09-24 16:44 ` Mickaël Salaün
2020-09-24 16:44 ` Mickaël Salaün
2020-09-24 22:05 ` Pavel Machek
2020-09-24 22:05 ` Pavel Machek
2020-09-25 10:12 ` Mickaël Salaün
2020-09-25 10:12 ` Mickaël Salaün
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