From: Alejandro Colomar <alx.manpages@gmail.com>
To: mtk.manpages@gmail.com
Cc: Peter Xu <peterx@redhat.com>,
linux-man@vger.kernel.org,
Mike Rapoport <rppt@linux.vnet.ibm.com>,
Alejandro Colomar <alx.manpages@gmail.com>
Subject: [PATCH 4/5] ioctl_userfaultfd.2: Add UFFD_FEATURE_THREAD_ID docs
Date: Mon, 5 Apr 2021 15:13:07 +0200 [thread overview]
Message-ID: <20210405131307.2892-5-alx.manpages@gmail.com> (raw)
In-Reply-To: <20210405131307.2892-1-alx.manpages@gmail.com>
From: Peter Xu <peterx@redhat.com>
UFFD_FEATURE_THREAD_ID is supported in Linux 4.14.
Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
man2/ioctl_userfaultfd.2 | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/man2/ioctl_userfaultfd.2 b/man2/ioctl_userfaultfd.2
index 9120bdf40..014c0b5c1 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
--
2.31.0
next prev parent reply other threads:[~2021-04-05 13:13 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-05 13:13 [PATCH 0/5] Merged patches from others Alejandro Colomar
2021-04-05 13:13 ` [PATCH 1/5] scanf.3: clarify that %n supports type modifiers Alejandro Colomar
2021-04-05 19:48 ` Michael Kerrisk (man-pages)
2021-04-05 13:13 ` [PATCH 2/5] userfaultfd.2: Add UFFD_FEATURE_THREAD_ID docs Alejandro Colomar
2021-04-05 19:56 ` Michael Kerrisk (man-pages)
2021-04-05 20:01 ` Michael Kerrisk (man-pages)
2021-04-05 13:13 ` [PATCH 3/5] userfaultfd.2: Add write-protect mode Alejandro Colomar
2021-04-05 21:13 ` Michael Kerrisk (man-pages)
2021-04-06 16:36 ` Peter Xu
2021-04-05 13:13 ` Alejandro Colomar [this message]
2021-04-05 21:13 ` [PATCH 4/5] ioctl_userfaultfd.2: Add UFFD_FEATURE_THREAD_ID docs Michael Kerrisk (man-pages)
2021-04-05 13:13 ` [PATCH 5/5] ioctl_userfaultfd.2: Add write-protect mode docs Alejandro Colomar
2021-04-05 21:14 ` Michael Kerrisk (man-pages)
2021-04-06 8:10 ` [PATCH 0/5] Merged patches from others Michael Kerrisk (man-pages)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210405131307.2892-5-alx.manpages@gmail.com \
--to=alx.manpages@gmail.com \
--cc=linux-man@vger.kernel.org \
--cc=mtk.manpages@gmail.com \
--cc=peterx@redhat.com \
--cc=rppt@linux.vnet.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox