diff options
| author | Chenyi Qiang <chenyi.qiang@intel.com> | 2022-09-15 17:10:35 +0800 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2022-09-26 17:23:47 +0200 |
| commit | d525f73f9186a5bc641b8caf0b2c9bb94e5aa963 (patch) | |
| tree | 97bf687812bc54f7d809c043b3ab37461cf8fd3e /linux-headers/linux/userfaultfd.h | |
| parent | 28d01b1d69e947a50b9ab9b45113fda1c4f96ac9 (diff) | |
Update linux headers to v6.0-rc4
commit 7e18e42e4b280c85b76967a9106a13ca61c16179
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20220915091035.3897-3-chenyi.qiang@intel.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'linux-headers/linux/userfaultfd.h')
| -rw-r--r-- | linux-headers/linux/userfaultfd.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/linux-headers/linux/userfaultfd.h b/linux-headers/linux/userfaultfd.h index 769b8379e4..a3a377cd44 100644 --- a/linux-headers/linux/userfaultfd.h +++ b/linux-headers/linux/userfaultfd.h @@ -33,7 +33,8 @@ UFFD_FEATURE_THREAD_ID | \ UFFD_FEATURE_MINOR_HUGETLBFS | \ UFFD_FEATURE_MINOR_SHMEM | \ - UFFD_FEATURE_EXACT_ADDRESS) + UFFD_FEATURE_EXACT_ADDRESS | \ + UFFD_FEATURE_WP_HUGETLBFS_SHMEM) #define UFFD_API_IOCTLS \ ((__u64)1 << _UFFDIO_REGISTER | \ (__u64)1 << _UFFDIO_UNREGISTER | \ @@ -47,7 +48,8 @@ #define UFFD_API_RANGE_IOCTLS_BASIC \ ((__u64)1 << _UFFDIO_WAKE | \ (__u64)1 << _UFFDIO_COPY | \ - (__u64)1 << _UFFDIO_CONTINUE) + (__u64)1 << _UFFDIO_CONTINUE | \ + (__u64)1 << _UFFDIO_WRITEPROTECT) /* * Valid ioctl command number range with this API is from 0x00 to @@ -194,6 +196,9 @@ struct uffdio_api { * UFFD_FEATURE_EXACT_ADDRESS indicates that the exact address of page * faults would be provided and the offset within the page would not be * masked. + * + * UFFD_FEATURE_WP_HUGETLBFS_SHMEM indicates that userfaultfd + * write-protection mode is supported on both shmem and hugetlbfs. */ #define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0) #define UFFD_FEATURE_EVENT_FORK (1<<1) @@ -207,6 +212,7 @@ struct uffdio_api { #define UFFD_FEATURE_MINOR_HUGETLBFS (1<<9) #define UFFD_FEATURE_MINOR_SHMEM (1<<10) #define UFFD_FEATURE_EXACT_ADDRESS (1<<11) +#define UFFD_FEATURE_WP_HUGETLBFS_SHMEM (1<<12) __u64 features; __u64 ioctls; |