linux-kernel - Re: [PATCH 2/2] MIPS: MSA: bugfix of keeping MSA live context through clone or fork

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <555CDF14.70900@imgtec.com>
Date:	Wed, 20 May 2015 12:23:00 -0700
From:	Leonid Yegoshin <Leonid.Yegoshin@...tec.com>
To:	<linux-mips@...ux-mips.org>, <rusty@...tcorp.com.au>,
	<alexinbeijing@...il.com>, <paul.burton@...tec.com>,
	<david.daney@...ium.com>, <alex@...x-smith.me.uk>,
	<linux-kernel@...r.kernel.org>, <ralf@...ux-mips.org>,
	<james.hogan@...tec.com>, <markos.chandras@...tec.com>,
	<macro@...ux-mips.org>, <eunb.song@...sung.com>,
	<manuel.lauss@...il.com>, <andreas.herrmann@...iumnetworks.com>
Subject: Re: [PATCH 2/2] MIPS: MSA: bugfix of keeping MSA live context through
 clone or fork

Cancel this, please.

Reason - MSA registers are not supposed to be preserved through 
caller-called interface, including syscall.
In other side, keeping MSA context is expensive.

- Leonid.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/