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From: Simon Guo <wei.guo.simon@gmail.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Laurent Dufour <ldufour@linux.vnet.ibm.com>,
	Michael Ellerman <mpe@ellerman.id.au>,
	linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	Paul Mackerras <paulus@samba.org>,
	Kees Cook <keescook@chromium.org>,
	Rashmica Gupta <rashmicy@gmail.com>
Subject: Re: [v4] powerpc: Export thread_struct.used_vr/used_vsr to user space
Date: Fri, 8 Jul 2016 13:39:01 +0800	[thread overview]
Message-ID: <20160708053901.GA6489@simonLocalRHEL7.x64> (raw)
In-Reply-To: <1467897678.27157.45.camel@kernel.crashing.org>

On Thu, Jul 07, 2016 at 11:21:18PM +1000, Benjamin Herrenschmidt wrote:
> I think the right fix is that if a restore_sigcontext() has the MSR bits set,
> it should set the corresponding used_* flag.
> 
> Or is there a reason why that won't work ?

That sounds reaonable to me.
I will prepare a patch based on that.

Michael, Ben, Laurent,
Thanks the discussion and proposal.

- Simon

      parent reply	other threads:[~2016-07-08  5:39 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-07  7:49 [PATCH v4] powerpc: Export thread_struct.used_vr/used_vsr to user space wei.guo.simon
2016-07-07 11:15 ` [v4] " Michael Ellerman
2016-07-07 13:12   ` Laurent Dufour
2016-07-07 13:21     ` Benjamin Herrenschmidt
2016-07-07 13:29       ` Benjamin Herrenschmidt
     [not found]         ` <577f7a45.568f6b0a.bd0eb.4aa8SMTPIN_ADDED_BROKEN@mx.google.com>
2016-07-11 17:39           ` Simon Guo
2016-07-15  7:15           ` Simon Guo
     [not found]             ` <5790aa9c.05296b0a.adf58.5901SMTPIN_ADDED_BROKEN@mx.google.com>
2016-07-25  8:52               ` Simon Guo
2016-07-07 13:40       ` Laurent Dufour
2016-07-08  5:39       ` Simon Guo [this message]

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