[PATCH v5 02/10] powerpc/powernv/idle: Restore AMR/UAMOR/AMOR after idle
akshay.adiga at linux.vnet.ibm.com
Wed Mar 13 19:16:30 AEDT 2019
On Fri, Mar 08, 2019 at 12:16:11PM +1100, Michael Ellerman wrote:
> In order to implement KUAP (Kernel Userspace Access Protection) on
> Power9 we will be using the AMR, and therefore indirectly the
> So save/restore these regs in the idle code.
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
> v5: Unchanged.
> v4: New.
> arch/powerpc/kernel/idle_book3s.S | 27 +++++++++++++++++++++++----
> 1 file changed, 23 insertions(+), 4 deletions(-)
Opps.. i posted a comment on the v4.
It would be good if we can make AMOR/UAMOR/AMR save-restore
code power9 only.
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