5 files changed, 13 insertions, 9 deletions

diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h
index 8e618fcf1f7c..6a77c63540f7 100644
--- a/arch/x86/include/asm/mem_encrypt.h
+++ b/arch/x86/include/asm/mem_encrypt.h
@@ -21,7 +21,7 @@
 
 #ifdef CONFIG_AMD_MEM_ENCRYPT
 
-extern unsigned long sme_me_mask;
+extern u64 sme_me_mask;
 
 void sme_encrypt_execute(unsigned long encrypted_kernel_vaddr,
                          unsigned long decrypted_kernel_vaddr,
@@ -49,7 +49,7 @@ void swiotlb_set_mem_attributes(void *vaddr, unsigned long size);
 
 #else   /* !CONFIG_AMD_MEM_ENCRYPT */
 
-#define sme_me_mask     0UL
+#define sme_me_mask     0ULL
 
 static inline void __init sme_early_encrypt(resource_size_t paddr,
                                             unsigned long size) { }
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index 831eb7895535..c471ca1f9412 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -86,7 +86,6 @@ static inline void e820__memblock_alloc_reserved_mpc_new(void) { }
 #endif
 
 int generic_processor_info(int apicid, int version);
-int __generic_processor_info(int apicid, int version, bool enabled);
 
 #define PHYSID_ARRAY_SIZE       BITS_TO_LONGS(MAX_LOCAL_APIC)
 
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 8315e2f517a7..d705c769f77d 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2130,7 +2130,7 @@ int generic_processor_info(int apicid, int version)
          * Since fixing handling of boot_cpu_physical_apicid requires
          * another discussion and tests on each platform, we leave it
          * for now and here we use read_apic_id() directly in this
-         * function, __generic_processor_info().
+         * function, generic_processor_info().
          */
         if (disabled_cpu_apicid != BAD_APICID &&
             disabled_cpu_apicid != read_apic_id() &&
diff --git a/arch/x86/mm/mem_encrypt.c b/arch/x86/mm/mem_encrypt.c
index 0fbd09269757..3fcc8e01683b 100644
--- a/arch/x86/mm/mem_encrypt.c
+++ b/arch/x86/mm/mem_encrypt.c
@@ -37,7 +37,7 @@ static char sme_cmdline_off[] __initdata = "off";
  * reside in the .data section so as not to be zeroed out when the .bss
  * section is later cleared.
  */
-unsigned long sme_me_mask __section(.data) = 0;
+u64 sme_me_mask __section(.data) = 0;
 EXPORT_SYMBOL_GPL(sme_me_mask);
 
 /* Buffer used for early in-place encryption by BSP, no locking needed */
diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h
index 1255f09f5e42..265a9cd21cb4 100644
--- a/include/linux/mem_encrypt.h
+++ b/include/linux/mem_encrypt.h
@@ -21,7 +21,7 @@
 
 #else   /* !CONFIG_ARCH_HAS_MEM_ENCRYPT */
 
-#define sme_me_mask     0UL
+#define sme_me_mask     0ULL
 
 #endif  /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
 
@@ -30,18 +30,23 @@ static inline bool sme_active(void)
         return !!sme_me_mask;
 }
 
-static inline unsigned long sme_get_me_mask(void)
+static inline u64 sme_get_me_mask(void)
 {
         return sme_me_mask;
 }
 
+#ifdef CONFIG_AMD_MEM_ENCRYPT
 /*
  * The __sme_set() and __sme_clr() macros are useful for adding or removing
  * the encryption mask from a value (e.g. when dealing with pagetable
  * entries).
  */
-#define __sme_set(x)            ((unsigned long)(x) | sme_me_mask)
-#define __sme_clr(x)            ((unsigned long)(x) & ~sme_me_mask)
+#define __sme_set(x)            ((x) | sme_me_mask)
+#define __sme_clr(x)            ((x) & ~sme_me_mask)
+#else
+#define __sme_set(x)            (x)
+#define __sme_clr(x)            (x)
+#endif
 
 #endif  /* __ASSEMBLY__ */