__ppc_yield.3: Minor tweaks

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man3/__ppc_yield.3 b/man3/__ppc_yield.3
index 6a06cc9f12dd6e134647a19b7842eac47376e191..9f84bbde9028bdb289cc551b75ff62eb59ca510e 100644 (file)
--- a/man3/__ppc_yield.3
+++ b/man3/__ppc_yield.3
@@ -22,9 +22,6 @@
 .\" the source, must acknowledge the copyright and authors of this work.
 .\" %%%LICENSE_END
 .\"
-.\" Process this file with
-.\" groff -man -Tascii foo.1
-.\"
 .TH __PPC_YIELD 3 2015-08-05 "GNU C Library" "Linux Programmer's\
 Manual"
 .SH NAME
@@ -39,17 +36,11 @@ Hint the processor to release shared resources
 .br
 .B void __ppc_mdoom(void);
 .SH DESCRIPTION
-The functions
-.BR __ppc_yield (),
-.BR __ppc_mdoio ()
-and
-.BR __ppc_mdoom ()
+These functions
 provide hints about the usage of resources that are shared with other
-processors.
+processors on the Power architecture.
 They can be used, for example, if a program waiting on a lock intends
 to divert the shared resources to be used by other processors.
-More information is available in Power ISA 2.06b - Book II - Section
-3.2.
 .P
 .BR __ppc_yield ()
 provides a hint that performance will probably be improved if shared
@@ -68,19 +59,14 @@ resources dedicated to the executing processor are released until all
 outstanding storage accesses to cacheable storage for which the data
 is not in the cache have been completed.
 .SH VERSIONS
-GNU C Library added support for
-.BR __ppc_yield (),
-.BR __ppc_mdoio ()
-and
-.BR __ppc_mdoom ()
-in version 2.18.
+These functions first appeared in glibc in version 2.18.
 .SH ATTRIBUTES
 For an explanation of the terms used in this section, see
 .BR attributes (7).
 .ad l
 .TS
 allbox;
-lb lb lb
+lbw29 lb lb
 l l l.
 Interface      Attribute       Value
 T{
@@ -94,3 +80,5 @@ T}    Thread safety   MT-Safe
 These functions are nonstandard GNU extensions.
 .SH SEE ALSO
 .BR __ppc_set_ppr_med (3)
+
+.IR "Power ISA, Book\ II - Section\ 3.2 (""or"" architecture)"