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authorMichael Kerrisk <mtk.manpages@gmail.com>2012-07-17 19:37:27 (GMT)
committerRafael J. Wysocki <rjw@sisk.pl>2012-07-17 19:37:27 (GMT)
commitd9914cf66181b8aa0929775f5c6f675c6ebc3eb5 (patch)
tree60665bc18212e1bf4dd45d811c49f561234ddbd4 /include
parent84a1caf1453c3d44050bd22db958af4a7f99315c (diff)
downloadlinux-d9914cf66181b8aa0929775f5c6f675c6ebc3eb5.tar.xz
PM: Rename CAP_EPOLLWAKEUP to CAP_BLOCK_SUSPEND
As discussed in http://thread.gmane.org/gmane.linux.kernel/1249726/focus=1288990, the capability introduced in 4d7e30d98939a0340022ccd49325a3d70f7e0238 to govern EPOLLWAKEUP seems misnamed: this capability is about governing the ability to suspend the system, not using a particular API flag (EPOLLWAKEUP). We should make the name of the capability more general to encourage reuse in related cases. (Whether or not this capability should also be used to govern the use of /sys/power/wake_lock is a question that needs to be separately resolved.) This patch renames the capability to CAP_BLOCK_SUSPEND. In order to ensure that the old capability name doesn't make it out into the wild, could you please apply and push up the tree to ensure that it is incorporated for the 3.5 release. Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'include')
-rw-r--r--include/linux/capability.h6
-rw-r--r--include/linux/eventpoll.h2
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/capability.h b/include/linux/capability.h
index 68d56ef..d10b7ed 100644
--- a/include/linux/capability.h
+++ b/include/linux/capability.h
@@ -360,11 +360,11 @@ struct cpu_vfs_cap_data {
#define CAP_WAKE_ALARM 35
-/* Allow preventing system suspends while epoll events are pending */
+/* Allow preventing system suspends */
-#define CAP_EPOLLWAKEUP 36
+#define CAP_BLOCK_SUSPEND 36
-#define CAP_LAST_CAP CAP_EPOLLWAKEUP
+#define CAP_LAST_CAP CAP_BLOCK_SUSPEND
#define cap_valid(x) ((x) >= 0 && (x) <= CAP_LAST_CAP)
diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h
index 6f8be32..f4bb378 100644
--- a/include/linux/eventpoll.h
+++ b/include/linux/eventpoll.h
@@ -34,7 +34,7 @@
* re-allowed until epoll_wait is called again after consuming the wakeup
* event(s).
*
- * Requires CAP_EPOLLWAKEUP
+ * Requires CAP_BLOCK_SUSPEND
*/
#define EPOLLWAKEUP (1 << 29)