Hi Yi,
On 03/14/2018 05:34 AM, Li Yi (Adam) wrote:
So set it in the DT CPU features code also.
This results in eg:
$ LD_SHOW_AUXV=1 /bin/true | grep "AT_.*PLATFORM"
AT_PLATFORM: power9
AT_BASE_PLATFORM:power9
Is this issue related with DD2.2 CPU?
I tested on a Boston system with
> Date: Wed, 14 Mar 2018 10:14:11 +1100
> From: Michael Ellerman
> To: linuxppc-...@ozlabs.org
> Cc: suka...@linux.vnet.ibm.com, npig...@gmail.com
> Subject: [PATCH] powerpc/64s: Fix NULL AT_BASE_PLATFORM when using DT
> CPU features
> Message-ID: <20180313231411.9
On Wed, 14 Mar 2018 10:14:11 +1100
Michael Ellerman wrote:
> When running virtualised the powerpc kernel is able to run the system
> in "compat mode" - which means the kernel and hardware are pretending
> to userspace that the CPU is an older version than it actually is.
>
> AT_BASE_PLATFORM is
When running virtualised the powerpc kernel is able to run the system
in "compat mode" - which means the kernel and hardware are pretending
to userspace that the CPU is an older version than it actually is.
AT_BASE_PLATFORM is an AUXV entry that we export to userspace for use
when we're running in
