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From: Michael Schmitz <schmitzmic@gmail.com>
To: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	linux-m68k <linux-m68k@lists.linux-m68k.org>
Cc: Debian m68k <debian-68k@lists.debian.org>, Helge Deller <deller@gmx.de>
Subject: Re: Seccomp support for linux-m68k
Date: Sun, 26 Jul 2020 19:13:49 +1200
Message-ID: <d0f0bc7a-b34c-7749-dc3e-41ac657eee27@gmail.com> (raw)
In-Reply-To: <ee076f6a-143a-9f6e-7bbf-51112d64ab00@gmail.com>

Am 26.07.2020 um 13:34 schrieb Michael Schmitz:
> Andreas: could we preset -EPERM as return code on entering
> do_trace_entry to save another jump, possibly even without setting
> -ENOSYS before attempting the syscall, or would that break the syscall ABI?

Never mind - -ENOSYS is needed for strace only, not the syscall proper 
so a slightly simpler version saving one jump is possible.

I'll send a final version for Geert to consider if your tests show this 
actually works as intended.

Cheers,

	Michael


  reply index

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-20  8:46 John Paul Adrian Glaubitz
2020-03-20 22:49 ` Finn Thain
2020-03-20 22:59   ` John Paul Adrian Glaubitz
2020-03-20 23:08     ` Finn Thain
2020-03-21 22:18     ` Michael Schmitz
2020-03-21 22:48       ` John Paul Adrian Glaubitz
2020-03-21 23:01         ` John Paul Adrian Glaubitz
2020-07-21 15:13 ` John Paul Adrian Glaubitz
2020-07-25  9:29   ` Michael Schmitz
2020-07-25 11:55     ` Andreas Schwab
2020-07-26  1:23       ` Michael Schmitz
2020-07-26 11:03         ` Andreas Schwab
2020-07-26 21:02           ` Michael Schmitz
2020-07-26 21:08             ` Andreas Schwab
2020-07-26 21:39               ` Michael Schmitz
2020-07-27  6:35                 ` Andreas Schwab
2020-07-25 18:54     ` John Paul Adrian Glaubitz
2020-07-26  1:34       ` Michael Schmitz
2020-07-26  7:13         ` Michael Schmitz [this message]
2020-07-26 11:05         ` Andreas Schwab
2020-07-26 20:46           ` Michael Schmitz
2020-07-26 21:10             ` Andreas Schwab
2020-07-26 22:40               ` Michael Schmitz
2020-07-25 22:48     ` John Paul Adrian Glaubitz

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