Re: [PATCH v5 1/5] kexec_file: Include the purgatory segment in the kexec image checksum.

From: Thiago Jung Bauermann
Date: Wed Sep 14 2016 - 21:51:51 EST


Hello Stephen,

Am Donnerstag, 15 September 2016, 11:43:08 schrieb Stephen Rothwell:
> Hi Thiago,
>
> > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> > index 2a1f0ce7c59a..dcd1679f3005 100644
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -1792,6 +1792,11 @@ config SECCOMP
> >
> > source kernel/Kconfig.hz
> >
> > +# x86 needs to relocate the purgatory after the checksum is calculated,
> > +# therefore the purgatory cannot be part of the kexec image checksum.
> > +config ARCH_MODIFIES_KEXEC_PURGATORY
> > + bool
> > +
>
> The above should probably be in arch/Kconfig (with an appropriately
> changed comment) since it is used in generic code.

Thanks for your quick response! I'll make that change tomorrow and send an
updated version of just this patch.

--
[]'s
Thiago Jung Bauermann
IBM Linux Technology Center