| Message ID | 20250410080723.953525-3-yeoreum.yun@arm.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | support FEAT_MTE_STORE_ONLY feature | expand |
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h index 15c18ef4eb11..83ac566251d8 100644 --- a/include/uapi/linux/prctl.h +++ b/include/uapi/linux/prctl.h @@ -244,6 +244,8 @@ struct prctl_mm_map { # define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT) /* Unused; kept only for source compatibility */ # define PR_MTE_TCF_SHIFT 1 +/* MTE tag check store only */ +# define PR_MTE_STORE_ONLY (1UL << 19) /* RISC-V pointer masking tag length */ # define PR_PMLEN_SHIFT 24 # define PR_PMLEN_MASK (0x7fUL << PR_PMLEN_SHIFT)
PR_MTE_STORE_ONLY is used to restrict the MTE tag check for store opeartion only. Signed-off-by: Yeoreum Yun <yeoreum.yun@arm.com> --- include/uapi/linux/prctl.h | 2 ++ 1 file changed, 2 insertions(+)