From 3d08cd331c1adcf0d917392f7e527b3f00511748 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 24 May 2024 06:52:22 +0200 Subject: Merging upstream version 6.8. Signed-off-by: Daniel Baumann --- man/man3/__ppc_yield.3 | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 man/man3/__ppc_yield.3 (limited to 'man/man3/__ppc_yield.3') diff --git a/man/man3/__ppc_yield.3 b/man/man3/__ppc_yield.3 new file mode 100644 index 0000000..55f3701 --- /dev/null +++ b/man/man3/__ppc_yield.3 @@ -0,0 +1,67 @@ +'\" t +.\" Copyright (c) 2015, IBM Corporation. +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH __ppc_yield 3 2024-05-02 "Linux man-pages (unreleased)" +.SH NAME +__ppc_yield, __ppc_mdoio, __ppc_mdoom \- +Hint the processor to release shared resources +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include +.P +.B void __ppc_yield(void); +.B void __ppc_mdoio(void); +.B void __ppc_mdoom(void); +.fi +.SH DESCRIPTION +These functions +provide hints about the usage of resources that are shared with other +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. +.P +.BR __ppc_yield () +provides a hint that performance will probably be improved if shared +resources dedicated to the executing processor are released for use by +other processors. +.P +.BR __ppc_mdoio () +provides a hint that performance will probably be improved if shared +resources dedicated to the executing processor are released until all +outstanding storage accesses to caching-inhibited storage have been +completed. +.P +.BR __ppc_mdoom () +provides a hint that performance will probably be improved if shared +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 ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR __ppc_yield (), +.BR __ppc_mdoio (), +.BR __ppc_mdoom () +T} Thread safety MT-Safe +.TE +.SH STANDARDS +GNU. +.SH HISTORY +glibc 2.18. +.SH SEE ALSO +.BR __ppc_set_ppr_med (3) +.P +.I Power ISA, Book\~II - Section\~3.2 ("or" architecture) -- cgit v1.2.3