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| author | Takashi Iwai <tiwai@suse.de> | 2022-04-13 10:43:03 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-04-13 10:43:28 +0200 |
| commit | 651a88798412e216f337d70181127e847f00a4b7 (patch) | |
| tree | 5fefb107fa9b3fa74dcc3e7ce410c5a1d571549d /include/uapi/linux/userfaultfd.h | |
| parent | 1b6a6fc5280e97559287b61eade2d4b363e836f2 (diff) | |
| parent | bb06c203f86766fc2c37cbce0e20e9daae786f6e (diff) | |
| download | cachepc-linux-651a88798412e216f337d70181127e847f00a4b7.tar.gz cachepc-linux-651a88798412e216f337d70181127e847f00a4b7.zip | |
Merge branch 'topic/cs35l41' into for-next
Pull CS35L41 codec updates
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi/linux/userfaultfd.h')
| -rw-r--r-- | include/uapi/linux/userfaultfd.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/uapi/linux/userfaultfd.h b/include/uapi/linux/userfaultfd.h index 05b31d60acf6..ef739054cb1c 100644 --- a/include/uapi/linux/userfaultfd.h +++ b/include/uapi/linux/userfaultfd.h @@ -32,7 +32,8 @@ UFFD_FEATURE_SIGBUS | \ UFFD_FEATURE_THREAD_ID | \ UFFD_FEATURE_MINOR_HUGETLBFS | \ - UFFD_FEATURE_MINOR_SHMEM) + UFFD_FEATURE_MINOR_SHMEM | \ + UFFD_FEATURE_EXACT_ADDRESS) #define UFFD_API_IOCTLS \ ((__u64)1 << _UFFDIO_REGISTER | \ (__u64)1 << _UFFDIO_UNREGISTER | \ @@ -189,6 +190,10 @@ struct uffdio_api { * * UFFD_FEATURE_MINOR_SHMEM indicates the same support as * UFFD_FEATURE_MINOR_HUGETLBFS, but for shmem-backed pages instead. + * + * 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. */ #define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1<<0) #define UFFD_FEATURE_EVENT_FORK (1<<1) @@ -201,6 +206,7 @@ struct uffdio_api { #define UFFD_FEATURE_THREAD_ID (1<<8) #define UFFD_FEATURE_MINOR_HUGETLBFS (1<<9) #define UFFD_FEATURE_MINOR_SHMEM (1<<10) +#define UFFD_FEATURE_EXACT_ADDRESS (1<<11) __u64 features; __u64 ioctls; |