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
prev parent reply other threads:[~2016-07-08 5:39 UTC|newest]
Thread overview: 13+ 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
2016-07-08 10:02 ` Michael Ellerman
[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
2016-07-21 10:57 ` Michael Ellerman
[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 8:26 ` Michael Ellerman
2016-07-08 5:39 ` Simon Guo [this message]
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