summaryrefslogtreecommitdiff
path: root/arch/arm64/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/mmu.h4
-rw-r--r--arch/arm64/include/asm/pgtable-prot.h6
-rw-r--r--arch/arm64/include/asm/unistd.h2
3 files changed, 6 insertions, 6 deletions
diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index e4d862420bb4..d79ce6df9e12 100644
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -29,11 +29,9 @@ typedef struct {
*/
#define ASID(mm) ((mm)->context.id.counter & 0xffff)
-extern bool arm64_use_ng_mappings;
-
static inline bool arm64_kernel_unmapped_at_el0(void)
{
- return arm64_use_ng_mappings;
+ return cpus_have_const_cap(ARM64_UNMAP_KERNEL_AT_EL0);
}
typedef void (*bp_hardening_cb_t)(void);
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 6f87839f0249..1305e28225fc 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -23,11 +23,13 @@
#include <asm/pgtable-types.h>
+extern bool arm64_use_ng_mappings;
+
#define _PROT_DEFAULT (PTE_TYPE_PAGE | PTE_AF | PTE_SHARED)
#define _PROT_SECT_DEFAULT (PMD_TYPE_SECT | PMD_SECT_AF | PMD_SECT_S)
-#define PTE_MAYBE_NG (arm64_kernel_unmapped_at_el0() ? PTE_NG : 0)
-#define PMD_MAYBE_NG (arm64_kernel_unmapped_at_el0() ? PMD_SECT_NG : 0)
+#define PTE_MAYBE_NG (arm64_use_ng_mappings ? PTE_NG : 0)
+#define PMD_MAYBE_NG (arm64_use_ng_mappings ? PMD_SECT_NG : 0)
#define PROT_DEFAULT (_PROT_DEFAULT | PTE_MAYBE_NG)
#define PROT_SECT_DEFAULT (_PROT_SECT_DEFAULT | PMD_MAYBE_NG)
diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h
index 1dd22da1c3a9..803039d504de 100644
--- a/arch/arm64/include/asm/unistd.h
+++ b/arch/arm64/include/asm/unistd.h
@@ -25,8 +25,8 @@
#define __NR_compat_gettimeofday 78
#define __NR_compat_sigreturn 119
#define __NR_compat_rt_sigreturn 173
-#define __NR_compat_clock_getres 247
#define __NR_compat_clock_gettime 263
+#define __NR_compat_clock_getres 264
#define __NR_compat_clock_gettime64 403
#define __NR_compat_clock_getres_time64 406