On 6/20/2017 3:49 PM, Thomas Gleixner wrote: > On Fri, 16 Jun 2017, Tom Lendacky wrote: >> >> +config ARCH_HAS_MEM_ENCRYPT >> + def_bool y >> + depends on X86 > > That one is silly. The config switch is in the x86 KConfig file, so X86 is > on. If you intended to move this to some generic place outside of > x86/Kconfig then this should be > > config ARCH_HAS_MEM_ENCRYPT > bool > > and x86/Kconfig should have > > select ARCH_HAS_MEM_ENCRYPT > > and that should be selected by AMD_MEM_ENCRYPT This is used for deciding whether to include the asm/mem_encrypt.h file so it needs to be on whether AMD_MEM_ENCRYPT is configured or not. I'll leave it in the x86/Kconfig file and remove the depends on line. Thanks, Tom > >> +config AMD_MEM_ENCRYPT >> + bool "AMD Secure Memory Encryption (SME) support" >> + depends on X86_64 && CPU_SUP_AMD >> + ---help--- >> + Say yes to enable support for the encryption of system memory. >> + This requires an AMD processor that supports Secure Memory >> + Encryption (SME). > > Thanks, > > tglx >
