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| author | Catalin Marinas <catalin.marinas@arm.com> | 2025-07-24 16:03:34 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2025-07-24 16:03:34 +0100 |
| commit | 5b1ae9de71335865d06ff0e60eadcf368a735edf (patch) | |
| tree | ba90ccef6b9d755f51602c4358efb93e2d4bacfe /include | |
| parent | 3ae8cef210dd52ae95fd5a87f9bea0932bd4e470 (diff) | |
| parent | 1f488fb91378e923dd67870292dcc36df85a814e (diff) | |
Merge branch 'for-next/feat_mte_store_only' into for-next/core
* for-next/feat_mte_store_only:
: MTE feature to restrict tag checking to store only operations
kselftest/arm64/mte: Add MTE_STORE_ONLY testcases
kselftest/arm64/mte: Preparation for mte store only test
kselftest/arm64/abi: Add MTE_STORE_ONLY feature hwcap test
KVM: arm64: Expose MTE_STORE_ONLY feature to guest
arm64/hwcaps: Add MTE_STORE_ONLY hwcaps
arm64/kernel: Support store-only mte tag check
prctl: Introduce PR_MTE_STORE_ONLY
arm64/cpufeature: Add MTE_STORE_ONLY feature
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/prctl.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h index 43dec6eed559..f6fb137c407f 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) |