Messages in this thread | | | Date | Sat, 14 Aug 2021 17:25:03 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v2 01/12] x86/ioremap: Selectively build arch override encryption functions |
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On Fri, Aug 13, 2021 at 11:59:20AM -0500, Tom Lendacky wrote: > In prep for other uses of the prot_guest_has() function besides AMD's > memory encryption support, selectively build the AMD memory encryption > architecture override functions only when CONFIG_AMD_MEM_ENCRYPT=y. These > functions are: > - early_memremap_pgprot_adjust() > - arch_memremap_can_ram_remap() > > Additionally, routines that are only invoked by these architecture > override functions can also be conditionally built. These functions are: > - memremap_should_map_decrypted() > - memremap_is_efi_data() > - memremap_is_setup_data() > - early_memremap_is_setup_data() > > And finally, phys_mem_access_encrypted() is conditionally built as well, > but requires a static inline version of it when CONFIG_AMD_MEM_ENCRYPT is > not set. > > Cc: Thomas Gleixner <tglx@linutronix.de> > Cc: Ingo Molnar <mingo@redhat.com> > Cc: Borislav Petkov <bp@alien8.de> > Cc: Dave Hansen <dave.hansen@linux.intel.com> > Cc: Andy Lutomirski <luto@kernel.org> > Cc: Peter Zijlstra <peterz@infradead.org> > Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> > --- > arch/x86/include/asm/io.h | 8 ++++++++ > arch/x86/mm/ioremap.c | 2 +- > 2 files changed, 9 insertions(+), 1 deletion(-)
LGTM.
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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