Re: [PATCH v6 24/26] powerpc/pseries: Implement secvars for dynamic secure boot

From: Andrew Donnellan
Date: Mon Feb 13 2023 - 02:07:00 EST


On Fri, 2023-02-10 at 16:23 -0500, Stefan Berger wrote:
> > +       memcpy(&flags, data, sizeof(flags));
>
> conversion from bytestream to integer: I think in this case it would
> be better to use
>
> flags = cpu_to_be64p((__u64*)data);
>
> so that the flags always in hypervisor/big endian format

Thanks for catching this - it turns out we weren't properly testing the
one flag that exists (append vs replace) in our test script, so I
didn't notice this.

--
Andrew Donnellan OzLabs, ADL Canberra
ajd@xxxxxxxxxxxxx IBM Australia Limited