[RFC PATCH 03/11] powerpc/svm: Add memory conversion (shared/secure) helper functions

From: Anshuman Khandual Add the following helper functions to convert PAGE_SIZE aligned memory buffers as shared or secure (i.e., accessible to the hypervisor or not) via Ultravisor calls. 1. mem_convert_shared(unsigned long pfn, unsigned long npages) 2. mem_convert_secure(unsigned long pfn,

[RFC PATCH 03/11] powerpc/svm: Add memory conversion (shared/secure) helper functions

From: Anshuman Khandual Add the following helper functions to convert PAGE_SIZE aligned memory buffers as shared or secure (i.e., accessible to the hypervisor or not) via Ultravisor calls. 1. mem_convert_shared(unsigned long pfn, unsigned long npages) 2. mem_convert_secure(unsigned long pfn,