[PATCH v7 3/3 RESEND] powerpc/pseries: PLPKS SED Opal keystore support

[Greg Joyce]

On Wed, 2023-09-13 at 13:15 -0600, Jens Axboe wrote:
> On 9/13/23 12:59 PM, Nathan Chancellor wrote:
> > Hi Greg,
> > 
> > On Fri, Sep 08, 2023 at 10:30:56AM -0500, gjoyce at linux.vnet.ibm.com
> >  wrote:
> > > From: Greg Joyce <gjoyce at linux.vnet.ibm.com>
> > > 
> > > Define operations for SED Opal to read/write keys
> > > from POWER LPAR Platform KeyStore(PLPKS). This allows
> > > non-volatile storage of SED Opal keys.
> > > 
> > > Signed-off-by: Greg Joyce <gjoyce at linux.vnet.ibm.com>
> > > Reviewed-by: Jonathan Derrick <jonathan.derrick at linux.dev>
> > > Reviewed-by: Hannes Reinecke <hare at suse.de>
> > 
> > After this change in -next as commit 9f2c7411ada9
> > ("powerpc/pseries:
> > PLPKS SED Opal keystore support"), I see the following crash when
> > booting some distribution configurations, such as OpenSUSE's [1]
> > (the
> > rootfs is available at [2] if necessary):
> 
> I'll drop the series for now - I didn't push out the main branch just
> yet as I don't publish the block next tree until at least at -rc2
> time,
> so it's just in a private branch for now.
> 

Agreed. I need to figure out:

1) best place to use plpks_is_available() to prevent a crash when PLPKS
is not present in pseries.

2) Resolve issues compiling with clang

3) declare plpks_init_var() as static

Greg