Messages in this thread Patch in this message | | | From | Peter Xu <> | Subject | [PATCH v2 3/4] ioctl_userfaultfd.2: Add UFFD_FEATURE_THREAD_ID docs | Date | Thu, 4 Mar 2021 11:31:39 -0500 |
| |
UFFD_FEATURE_THREAD_ID is supported in Linux 4.14.
Signed-off-by: Peter Xu <peterx@redhat.com> --- man2/ioctl_userfaultfd.2 | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2 index 47ae5f473..b58983fe7 100644 --- a/man2/ioctl_userfaultfd.2 +++ b/man2/ioctl_userfaultfd.2 @@ -208,6 +208,11 @@ signal will be sent to the faulting process. Applications using this feature will not require the use of a userfaultfd monitor for processing memory accesses to the regions registered with userfaultfd. +.TP +.BR UFFD_FEATURE_THREAD_ID " (since Linux 4.14)" +If this feature bit is set, +.I uffd_msg.pagefault.feat.ptid +Will be set to the faulted thread ID for each page fault message. .PP The returned .I ioctls -- 2.26.2
| |