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From: Gabriel Krisman Bertazi <krisman@collabora.com>
To: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Kees Cook <keescook@chromium.org>,
	Andy Lutomirski <luto@kernel.org>,
	Matthew Wilcox <willy@infradead.org>,
	tglx@linutronix.de, linux-kernel@vger.kernel.org,
	kernel@collabora.com, gofmanp@gmail.com,
	linux-api@vger.kernel.org, x86@kernel.org,
	linux-kselftest@vger.kernel.org, shuah@kernel.org,
	jannh@google.com
Subject: Re: [PATCH v4 0/2] Syscall User Redirection
Date: Thu, 16 Jul 2020 16:30:48 -0400	[thread overview]
Message-ID: <871rlbjj7r.fsf@collabora.com> (raw)
In-Reply-To: <20200716202935.yorxrz2om67r366x@wittgenstein> (Christian Brauner's message of "Thu, 16 Jul 2020 22:29:35 +0200")

Christian Brauner <christian.brauner@ubuntu.com> writes:

> On Thu, Jul 16, 2020 at 01:25:43PM -0700, Kees Cook wrote:
>> On Thu, Jul 16, 2020 at 10:22:34PM +0200, Christian Brauner wrote:
>> > On Thu, Jul 16, 2020 at 01:04:38PM -0700, Kees Cook wrote:
>> > > On Thu, Jul 16, 2020 at 03:31:39PM -0400, Gabriel Krisman Bertazi wrote:
>> > > > This is v4 of Syscall User Redirection.  The implementation itself is
>> > > > not modified from v3, it only applies the latest round of reviews to the
>> > > > selftests.
>> > > > 
>> > > > __NR_syscalls is not really exported in header files other than
>> > > > asm-generic for every architecture, so it felt safer to optionally
>> > > > expose it with a fallback to a high value.
>> > > > 
>> > > > Also, I didn't expose tests for PR_GET as that is not currently
>> > > > implemented.  If possible, I'd have it supported by a future patchset,
>> > > > since it is not immediately necessary to support this feature.
>> > > 
>> > > Thanks! That all looks good to me.
>> > 
>> > Don't have any problem with this but did this ever get exposure on
>> > linux-api? This is the first time I see this pop up.
>> 
>> I thought I'd added it to CC in the past, but that might have been other
>> recent unrelated threads. Does this need a full repost there too, you
>> think?
>
> Nah, wasn't my intention to force a repost. Seems that several people
> have looked this over. :) Just curious why it didn't get to linux-api
> and we know quite some people who only do look at linux-api (for sanity). :)

That's my mistake.  I didn't think about it when submitting :(

If this get re-spinned again I will make sure to CC linux-api.

-- 
Gabriel Krisman Bertazi

  reply	other threads:[~2020-07-16 20:30 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-16 19:31 Gabriel Krisman Bertazi
2020-07-16 19:31 ` [PATCH v4 1/2] kernel: Implement selective syscall userspace redirection Gabriel Krisman Bertazi
2020-07-16 21:06   ` Matthew Wilcox
2020-07-16 21:26     ` Kees Cook
2020-07-17  0:20   ` Andy Lutomirski
2020-07-17  2:15     ` Gabriel Krisman Bertazi
2020-07-17  4:48       ` Andy Lutomirski
2020-07-21 12:06         ` Mark Rutland
2020-07-20  9:23     ` Thomas Gleixner
2020-07-20  9:44       ` Will Deacon
2020-07-20 10:08   ` Thomas Gleixner
2020-07-20 13:46     ` Gabriel Krisman Bertazi
2020-07-16 19:31 ` [PATCH v4 2/2] selftests: Add kselftest for syscall user dispatch Gabriel Krisman Bertazi
2020-07-16 20:04 ` [PATCH v4 0/2] Syscall User Redirection Kees Cook
2020-07-16 20:22   ` Christian Brauner
2020-07-16 20:25     ` Kees Cook
2020-07-16 20:29       ` Christian Brauner
2020-07-16 20:30         ` Gabriel Krisman Bertazi [this message]
2020-07-16 21:06           ` Carlos O'Donell
2020-08-02 12:01 ` Pavel Machek
2020-08-04 14:26   ` Gabriel Krisman Bertazi

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