| Date | Mon, 14 Aug 2017 16:05:22 +1000 | From | Nicholas Piggin <> | Subject | Re: [PATCH v6 01/17] powerpc/vas: Define macros, register fields and structures |
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On Mon, 14 Aug 2017 15:21:48 +1000 Michael Ellerman <mpe@ellerman.id.au> wrote:
> Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> writes:
> > arch/powerpc/include/asm/vas.h | 35 ++++ > > arch/powerpc/include/uapi/asm/vas.h | 25 +++ > > I thought we weren't exposing VAS to userspace yet? > > If we are then we need to get things straight WRT copy/paste abort.
No we should not be. This might be just a leftover hunk that should be moved to a future series.
At the moment (as far as I understand) it should be limited to preempt-disabled, process context, kernel users which avoids any concern for switch_to.
Thanks, Nick
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