arm64: Expose DC CVADP to userspace
mainline inclusion from v5.2-rc1 commit 671db581 category: feature bugzilla: 30110 CVE: NA ------------------------------------------------- ARMv8.5 builds upon the ARMv8.2 DC CVAP instruction by introducing a DC CVADP instruction which cleans the data cache to the point of deep persistence. Let's expose this support via the arm64 ELF hwcaps. Signed-off-by: NAndrew Murray <andrew.murray@arm.com> Reviewed-by: NDave Martin <Dave.Martin@arm.com> Signed-off-by: NWill Deacon <will.deacon@arm.com> Signed-off-by: NHongbo Yao <yaohongbo@huawei.com> Signed-off-by: NWang Wensheng <wangwensheng4@huawei.com> Reviewed-by: NXie XiuQi <xiexiuqi@huawei.com> Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>
Showing
想要评论请 注册 或 登录