Per-KeyID direct mappings require changes into how we find the right virtual address for a page and virt-to-phys address translations. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> --- arch/x86/include/asm/mktme.h | 3 +++ arch/x86/include/asm/page_64.h | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/mktme.h b/arch/x86/include/asm/mktme.h index efc0d4bb3b35..d6edcabacfc7 100644 --- a/arch/x86/include/asm/mktme.h +++ b/arch/x86/include/asm/mktme.h @@ -43,6 +43,9 @@ void mktme_disable(void); void setup_direct_mapping_size(void); int sync_direct_mapping(void); +#define page_to_virt(x) \ + (__va(PFN_PHYS(page_to_pfn(x))) + page_keyid(x) * direct_mapping_size) + #else #define mktme_keyid_mask ((phys_addr_t)0) #define mktme_nr_keyids 0 diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h index 53c32af895ab..ffad496aadad 100644 --- a/arch/x86/include/asm/page_64.h +++ b/arch/x86/include/asm/page_64.h @@ -23,7 +23,7 @@ static inline unsigned long __phys_addr_nodebug(unsigned long x) /* use the carry flag to determine if x was < __START_KERNEL_map */ x = y + ((x > y) ? phys_base : (__START_KERNEL_map - PAGE_OFFSET)); - return x; + return x % direct_mapping_size; } #ifdef CONFIG_DEBUG_VIRTUAL -- 2.17.1
