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From: Alejandro Colomar <alx.manpages@gmail.com>
To: mtk.manpages@gmail.com
Cc: Alejandro Colomar <alx.manpages@gmail.com>, linux-man@vger.kernel.org
Subject: [PATCH 5/8] s390_runtime_instr.2: Use syscall(SYS_...); for system calls without a wrapper
Date: Sat, 15 May 2021 20:20:25 +0200	[thread overview]
Message-ID: <20210515182027.186403-5-alx.manpages@gmail.com> (raw)
In-Reply-To: <20210515182027.186403-1-alx.manpages@gmail.com>

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man2/s390_runtime_instr.2 | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/man2/s390_runtime_instr.2 b/man2/s390_runtime_instr.2
index 2ec6e7d25..0685fde6c 100644
--- a/man2/s390_runtime_instr.2
+++ b/man2/s390_runtime_instr.2
@@ -27,13 +27,18 @@
 s390_runtime_instr \- enable/disable s390 CPU run-time instrumentation
 .SH SYNOPSIS
 .nf
-.B #include <asm/runtime_instr.h>
+.BR "#include <asm/runtime_instr.h>" " /* Definition of " S390_* " constants */"
+.BR "#include <sys/syscall.h>" "       /* Definition of " SYS_* " constants */"
+.B #include <unistd.h>
 .PP
-.BI "int s390_runtime_instr(int " command ", int " signum ");"
+.BI "int syscall(SYS_s390_runtime_instr, int " command ", int " signum );
 .fi
 .PP
 .IR Note :
-There is no glibc wrapper for this system call; see NOTES.
+glibc provides no wrapper for
+.BR s390_runtime_instr (2),
+necessitating the use of
+.BR syscall (2).
 .SH DESCRIPTION
 The
 .BR s390_runtime_instr ()
@@ -97,9 +102,6 @@ This Linux-specific system call is available only on the s390 architecture.
 The run-time instrumentation facility is available
 beginning with System z EC12.
 .SH NOTES
-Glibc does not provide a wrapper for this system call; call it using
-.BR syscall (2)
-.PP
 The
 .I asm/runtime_instr.h
 header file is available
-- 
2.31.1


  parent reply	other threads:[~2021-05-15 18:20 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-15 18:20 [PATCH 1/8] rename.2: ffix Alejandro Colomar
2021-05-15 18:20 ` [PATCH 2/8] rt_sigqueueinfo.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-15 18:20 ` [PATCH 3/8] s390_guarded_storage.2: " Alejandro Colomar
2021-05-15 18:20 ` [PATCH 4/8] s390_pci_mmio_write.2: Use syscall(SYS_...); for system calls without a wrapper; fix includes too Alejandro Colomar
2021-05-15 18:20 ` Alejandro Colomar [this message]
2021-05-15 18:20 ` [PATCH 6/8] s390_sthyi.2: Replace numeric constant by its name (macro) Alejandro Colomar
2021-05-15 18:20 ` [PATCH 7/8] s390_sthyi.2: Use syscall(SYS_...); for system calls without a wrapper Alejandro Colomar
2021-05-15 18:20 ` [PATCH 8/8] sched_setattr.2: " Alejandro Colomar
2021-05-17  4:55 ` [PATCH 1/8] rename.2: ffix Michael Kerrisk (man-pages)

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