On 8/17/21 3:35 AM, Borislav Petkov wrote: > On Fri, Aug 13, 2021 at 11:59:23AM -0500, Tom Lendacky wrote: >> Introduce a powerpc version of the prot_guest_has() function. This will >> be used to replace the powerpc mem_encrypt_active() implementation, so >> the implementation will initially only support the PATTR_MEM_ENCRYPT >> attribute. >> >> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx> >> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> >> Cc: Paul Mackerras <paulus@xxxxxxxxx> >> Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx> >> --- >> arch/powerpc/include/asm/protected_guest.h | 30 ++++++++++++++++++++++ >> arch/powerpc/platforms/pseries/Kconfig | 1 + >> 2 files changed, 31 insertions(+) >> create mode 100644 arch/powerpc/include/asm/protected_guest.h >> >> diff --git a/arch/powerpc/include/asm/protected_guest.h b/arch/powerpc/include/asm/protected_guest.h >> new file mode 100644 >> index 000000000000..ce55c2c7e534 >> --- /dev/null >> +++ b/arch/powerpc/include/asm/protected_guest.h >> @@ -0,0 +1,30 @@ >> +/* SPDX-License-Identifier: GPL-2.0-only */ >> +/* >> + * Protected Guest (and Host) Capability checks >> + * >> + * Copyright (C) 2021 Advanced Micro Devices, Inc. >> + * >> + * Author: Tom Lendacky <thomas.lendacky@xxxxxxx> >> + */ >> + >> +#ifndef _POWERPC_PROTECTED_GUEST_H >> +#define _POWERPC_PROTECTED_GUEST_H >> + >> +#include <asm/svm.h> >> + >> +#ifndef __ASSEMBLY__ > > Same thing here. Pls audit the whole set whether those __ASSEMBLY__ > guards are really needed and remove them if not. Will do. Thanks, Tom > > Thx. >