linux-kernel - Re: [PATCH V2 2/3] powerpc, ptrace: Enable support for transactional memory register sets

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: <1400200013.3797.89.camel@ale.ozlabs.ibm.com>
Date:	Fri, 16 May 2014 10:26:53 +1000
From:	Michael Neuling <mikey@...ling.org>
To:	Pedro Alves <palves@...hat.com>
Cc:	Anshuman Khandual <khandual@...ux.vnet.ibm.com>, avagin@...nvz.org,
	oleg@...hat.com, linux-kernel@...r.kernel.org,
	michael@...erman.id.au, linuxppc-dev@...abs.org
Subject: Re: [PATCH V2 2/3] powerpc, ptrace: Enable support for
 transactional memory register sets

> So in sum, it very much looks like the intention is for
> PTRACE_GETREGSET/PTRACE_SETREGSET to return ENODEV in the
> case the regset doesn't exist on the running machine, and then
> it looks like at least x86 works that way.

Good point... agreed.  We should ENODEV when we don't have TM hardware
(like POWER7).

Mikey

--
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/