Merge tag 'docs-5.6-2' of git://git.lwn.net/linux

Pull Documentation fixes from Jonathan Corbet:
 "A handful of small documentation fixes that wandered in"

* tag 'docs-5.6-2' of git://git.lwn.net/linux:
  Allow git builds of Sphinx
  Documentation: changes.rst: update several outdated project URLs
  Documentation: build warnings related to missing blank lines after explicit markups has been fixed
  mailmap: add entry for Tiezhu Yang
  Documentation/ko_KR/howto: Update a broken link
  Documentation/ko_KR/howto: Update broken web addresses
  docs/locking: Fix outdated section names

9 files changed, 27 insertions, 17 deletions

diff --git a/.mailmap b/.mailmap
index a675b6759985..ffb8f28290c7 100644
--- a/.mailmap
+++ b/.mailmap
@@ -262,6 +262,7 @@ Sumit Semwal <sumit.semwal@ti.com>
 Tejun Heo <htejun@gmail.com>
 Thomas Graf <tgraf@suug.ch>
 Thomas Pedersen <twp@codeaurora.org>
+Tiezhu Yang <yangtiezhu@loongson.cn> <kernelpatch@126.com>
 Todor Tomov <todor.too@gmail.com> <todor.tomov@linaro.org>
 Tony Luck <tony.luck@intel.com>
 TripleX Chung <xxx.phy@gmail.com> <zhongyu@18mail.cn>
diff --git a/Documentation/doc-guide/contributing.rst b/Documentation/doc-guide/contributing.rst
index 10956583d22e..67ee3691f91f 100644
--- a/Documentation/doc-guide/contributing.rst
+++ b/Documentation/doc-guide/contributing.rst
@@ -1,4 +1,5 @@
 .. SPDX-License-Identifier: GPL-2.0
+
 How to help improve kernel documentation
 ========================================
 
diff --git a/Documentation/doc-guide/maintainer-profile.rst b/Documentation/doc-guide/maintainer-profile.rst
index aee2f508cc89..5afc0ddba40a 100644
--- a/Documentation/doc-guide/maintainer-profile.rst
+++ b/Documentation/doc-guide/maintainer-profile.rst
@@ -1,4 +1,5 @@
 .. SPDX-License-Identifier: GPL-2.0
+
 Documentation subsystem maintainer entry profile
 ================================================
 
diff --git a/Documentation/locking/spinlocks.rst b/Documentation/locking/spinlocks.rst
index 66e3792f8a36..bec96f7a9f2d 100644
--- a/Documentation/locking/spinlocks.rst
+++ b/Documentation/locking/spinlocks.rst
@@ -25,9 +25,9 @@ worry about UP vs SMP issues: the spinlocks work correctly under both.
 
      Documentation/memory-barriers.txt
 
-       (5) LOCK operations.
+       (5) ACQUIRE operations.
 
-       (6) UNLOCK operations.
+       (6) RELEASE operations.
 
 The above is usually pretty simple (you usually need and want only one
 spinlock for most things - using more than one spinlock can make things a
diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst
index 2284f2221f02..e47863575917 100644
--- a/Documentation/process/changes.rst
+++ b/Documentation/process/changes.rst
@@ -383,7 +383,8 @@ Mkinitrd
 E2fsprogs
 ---------
 
-- <http://prdownloads.sourceforge.net/e2fsprogs/e2fsprogs-1.29.tar.gz>
+- <https://www.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/>
+- <https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/>
 
 JFSutils
 --------
@@ -393,12 +394,13 @@ JFSutils
 Reiserfsprogs
 -------------
 
-- <http://www.kernel.org/pub/linux/utils/fs/reiserfs/>
+- <https://git.kernel.org/pub/scm/linux/kernel/git/jeffm/reiserfsprogs.git/>
 
 Xfsprogs
 --------
 
-- <ftp://oss.sgi.com/projects/xfs/>
+- <https://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git>
+- <https://www.kernel.org/pub/linux/utils/fs/xfs/xfsprogs/>
 
 Pcmciautils
 -----------
@@ -437,7 +439,9 @@ Networking
 PPP
 ---
 
-- <ftp://ftp.samba.org/pub/ppp/>
+- <https://download.samba.org/pub/ppp/>
+- <https://git.ozlabs.org/?p=ppp.git>
+- <https://github.com/paulusmack/ppp/>
 
 NFS-utils
 ---------
@@ -447,7 +451,7 @@ NFS-utils
 Iptables
 --------
 
-- <http://www.iptables.org/downloads.html>
+- <https://netfilter.org/projects/iptables/index.html>
 
 Ip-route2
 ---------
diff --git a/Documentation/trace/kprobetrace.rst b/Documentation/trace/kprobetrace.rst
index 705d73087099..cc4c5fc313df 100644
--- a/Documentation/trace/kprobetrace.rst
+++ b/Documentation/trace/kprobetrace.rst
@@ -253,4 +253,3 @@ And you can see the traced information via /sys/kernel/debug/tracing/trace.
 Each line shows when the kernel hits an event, and <- SYMBOL means kernel
 returns from SYMBOL(e.g. "sys_open+0x1b/0x1d <- do_sys_open" means kernel
 returns from do_sys_open to sys_open+0x1b).
-
diff --git a/Documentation/translations/it_IT/process/changes.rst b/Documentation/translations/it_IT/process/changes.rst
index 94a6499742ac..37da4447a40d 100644
--- a/Documentation/translations/it_IT/process/changes.rst
+++ b/Documentation/translations/it_IT/process/changes.rst
@@ -390,7 +390,8 @@ Mkinitrd
 E2fsprogs
 ---------
 
-- <http://prdownloads.sourceforge.net/e2fsprogs/e2fsprogs-1.29.tar.gz>
+- <https://www.kernel.org/pub/linux/kernel/people/tytso/e2fsprogs/>
+- <https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/>
 
 JFSutils
 --------
@@ -400,12 +401,13 @@ JFSutils
 Reiserfsprogs
 -------------
 
-- <http://www.kernel.org/pub/linux/utils/fs/reiserfs/>
+- <https://git.kernel.org/pub/scm/linux/kernel/git/jeffm/reiserfsprogs.git/>
 
 Xfsprogs
 --------
 
-- <ftp://oss.sgi.com/projects/xfs/>
+- <https://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git>
+- <https://www.kernel.org/pub/linux/utils/fs/xfs/xfsprogs/>
 
 Pcmciautils
 -----------
@@ -444,7 +446,9 @@ Rete
 PPP
 ---
 
-- <ftp://ftp.samba.org/pub/ppp/>
+- <https://download.samba.org/pub/ppp/>
+- <https://git.ozlabs.org/?p=ppp.git>
+- <https://github.com/paulusmack/ppp/>
 
 
 NFS-utils
@@ -455,7 +459,7 @@ NFS-utils
 Iptables
 --------
 
-- <http://www.iptables.org/downloads.html>
+- <https://netfilter.org/projects/iptables/index.html>
 
 Ip-route2
 ---------
diff --git a/Documentation/translations/ko_KR/howto.rst b/Documentation/translations/ko_KR/howto.rst
index ae3ad897d2ae..71d4823e41e1 100644
--- a/Documentation/translations/ko_KR/howto.rst
+++ b/Documentation/translations/ko_KR/howto.rst
@@ -318,8 +318,8 @@ Andrew Morton의 글이 있다.
 리뷰 프로세스는 patchwork라는 도구를 통해 추적된다. patchwork은 등록된 패치와
 패치에 대한 코멘트, 패치의 버전을 볼 수 있는 웹 인터페이스를 제공하고,
 메인테이너는 패치를 리뷰 중, 리뷰 통과, 또는 반려됨으로 표시할 수 있다.
-대부분의 이러한 patchwork 사이트는 https://patchwork.kernel.org/ 또는
-http://patchwork.ozlabs.org/ 에 나열되어 있다.
+대부분의 이러한 patchwork 사이트는 https://patchwork.kernel.org/ 에 나열되어
+있다.
 
 통합 테스트를 위한 linux-next 커널 트리
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -328,7 +328,7 @@ http://patchwork.ozlabs.org/ 에 나열되어 있다.
 거쳐야 한다. 이런 목적으로, 모든 서브시스템 트리의 변경사항을 거의 매일
 받아가는 특수한 테스트 저장소가 존재한다:
 
-       https://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git
+       https://git.kernel.org/?p=linux/kernel/git/next/linux-next.git
 
 이런 식으로, linux-next 커널을 통해 다음 머지 기간에 메인라인 커널에 어떤
 변경이 가해질 것인지 간략히 알 수 있다. 모험심 강한 테스터라면 linux-next
diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index 470ccfe678aa..a8f0c002a340 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -272,7 +272,7 @@ sub check_sphinx()
 
 	open IN, "$sphinx --version 2>&1 |" or die "$sphinx returned an error";
 	while (<IN>) {
-		if (m/^\s*sphinx-build\s+([\d\.]+)$/) {
+		if (m/^\s*sphinx-build\s+([\d\.]+)(\+\/[\da-f]+)?$/) {
 			$cur_version=$1;
 			last;
 		}