From: Andy Lutomirski <luto@kernel.org>
To: Kees Cook <keescook@chromium.org>
Cc: Gabriel Krisman Bertazi <krisman@collabora.com>,
Andrew Lutomirski <luto@kernel.org>,
Rich Felker <dalias@libc.org>,
Thomas Gleixner <tglx@linutronix.de>,
Christian Brauner <christian.brauner@ubuntu.com>,
Peter Zijlstra <peterz@infradead.org>,
Matthew Wilcox <willy@infradead.org>,
Shuah Khan <shuah@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Linux API <linux-api@vger.kernel.org>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@vger.kernel.org>, X86 ML <x86@kernel.org>,
Paul Gofman <gofmanp@gmail.com>,
kernel@collabora.com
Subject: Re: [PATCH v7 3/7] kernel: Implement selective syscall userspace redirection
Date: Sat, 21 Nov 2020 20:01:10 -0800 [thread overview]
Message-ID: <CALCETrVtwmS0707L5RbWvJpyw-+xtT73xph59DJC2TGa-Hhw1Q@mail.gmail.com> (raw)
In-Reply-To: <202011201618.62E507D@keescook>
On Fri, Nov 20, 2020 at 4:18 PM Kees Cook <keescook@chromium.org> wrote:
>
> On Thu, Nov 19, 2020 at 12:43:05PM -0500, Gabriel Krisman Bertazi wrote:
> > The existing interface could be extended with a flags field as part of
> > the opcode passed in argument 2, which is currently reserved, and then
> > return a FD, just like seccomp(2) does. So it is not like the current
> > patches couldn't be extended in the future if needed, unless I'm
> > mistaken.
>
> Yes, I'd prefer this series go in as-is, and if there is a need for
> extending the API, arg2 can have more values added.
I agree.
>
> --
> Kees Cook
next prev parent reply other threads:[~2020-11-22 4:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 3:28 [PATCH v7 0/7] Syscall User Dispatch Gabriel Krisman Bertazi
2020-11-18 3:28 ` [PATCH v7 1/7] x86: vdso: Expose sigreturn address on vdso to the kernel Gabriel Krisman Bertazi
2020-11-18 3:28 ` [PATCH v7 2/7] signal: Expose SYS_USER_DISPATCH si_code type Gabriel Krisman Bertazi
2020-11-18 3:28 ` [PATCH v7 3/7] kernel: Implement selective syscall userspace redirection Gabriel Krisman Bertazi
2020-11-19 12:36 ` Peter Zijlstra
2020-11-19 17:43 ` Gabriel Krisman Bertazi
2020-11-21 0:18 ` Kees Cook
2020-11-22 4:01 ` Andy Lutomirski [this message]
2020-11-18 3:28 ` [PATCH v7 4/7] entry: Support Syscall User Dispatch on common syscall entry Gabriel Krisman Bertazi
2020-11-18 3:28 ` [PATCH v7 5/7] selftests: Add kselftest for syscall user dispatch Gabriel Krisman Bertazi
2020-11-18 3:28 ` [PATCH v7 6/7] selftests: Add benchmark " Gabriel Krisman Bertazi
2020-11-18 3:28 ` [PATCH v7 7/7] docs: Document Syscall User Dispatch Gabriel Krisman Bertazi
2020-11-18 8:48 ` Florian Weimer
2020-11-18 17:02 ` Gabriel Krisman Bertazi
2020-11-18 8:47 ` [PATCH v7 0/7] " Florian Weimer
2020-11-18 17:01 ` Gabriel Krisman Bertazi
2020-11-18 17:22 ` Florian Weimer
2020-11-19 12:38 ` Peter Zijlstra
2020-11-21 0:24 ` Kees Cook
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