Re: [PATCH v5 14/32] efi: Add an EFI table address match function

[Tom Lendacky]

On 5/15/2017 1:09 PM, Borislav Petkov wrote:
> On Tue, Apr 18, 2017 at 04:18:48PM -0500, Tom Lendacky wrote:
> > Add a function that will determine if a supplied physical address matches
> > the address of an EFI table.
> >
> > Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
> > ---
> >  drivers/firmware/efi/efi.c |   33 +++++++++++++++++++++++++++++++++
> >  include/linux/efi.h        |    7 +++++++
> >  2 files changed, 40 insertions(+)
> >
> > diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
> > index b372aad..8f606a3 100644
> > --- a/drivers/firmware/efi/efi.c
> > +++ b/drivers/firmware/efi/efi.c
> > @@ -55,6 +55,25 @@ struct efi __read_mostly efi = {
> >  };
> >  EXPORT_SYMBOL(efi);
> >
> > +static unsigned long *efi_tables[] = {
> > +	&efi.mps,
> > +	&efi.acpi,
> > +	&efi.acpi20,
> > +	&efi.smbios,
> > +	&efi.smbios3,
> > +	&efi.sal_systab,
> > +	&efi.boot_info,
> > +	&efi.hcdp,
> > +	&efi.uga,
> > +	&efi.uv_systab,
> > +	&efi.fw_vendor,
> > +	&efi.runtime,
> > +	&efi.config_table,
> > +	&efi.esrt,
> > +	&efi.properties_table,
> > +	&efi.mem_attr_table,
> > +};
> > +
> >  static bool disable_runtime;
> >  static int __init setup_noefi(char *arg)
> >  {
> > @@ -854,6 +873,20 @@ int efi_status_to_err(efi_status_t status)
> >  	return err;
> >  }
> >
> > +bool efi_table_address_match(unsigned long phys_addr)
>
> efi_is_table_address() reads easier/better in the code.

Will do.

Thanks,
Tom

>