diff options
Diffstat (limited to 'arch/arm64/kernel/process.c')
| -rw-r--r-- | arch/arm64/kernel/process.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index a5ca15daeb8a..fc49f2b3ded1 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -849,10 +849,14 @@ long set_tagged_addr_ctrl(struct task_struct *task, unsigned long arg) if (is_compat_thread(ti)) return -EINVAL; - if (system_supports_mte()) + if (system_supports_mte()) { valid_mask |= PR_MTE_TCF_SYNC | PR_MTE_TCF_ASYNC \ | PR_MTE_TAG_MASK; + if (cpus_have_cap(ARM64_MTE_STORE_ONLY)) + valid_mask |= PR_MTE_STORE_ONLY; + } + if (arg & ~valid_mask) return -EINVAL; |