diff options
Diffstat (limited to 'arch/arm64/kernel/cpufeature.c')
| -rw-r--r-- | arch/arm64/kernel/cpufeature.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 646591c67e7a..91d2d6714969 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1839,6 +1839,10 @@ static int __init __kpti_install_ng_mappings(void *__unused) static void __init kpti_install_ng_mappings(void) { + /* Check whether KPTI is going to be used */ + if (!cpus_have_cap(ARM64_UNMAP_KERNEL_AT_EL0)) + return; + /* * We don't need to rewrite the page-tables if either we've done * it already or we have KASLR enabled and therefore have not |