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Message-Id: <20240620162316.3674955-13-arnd@kernel.org>
Date: Thu, 20 Jun 2024 18:23:13 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
linux-mips@...r.kernel.org,
Helge Deller <deller@....de>,
linux-parisc@...r.kernel.org,
"David S. Miller" <davem@...emloft.net>,
Andreas Larsson <andreas@...sler.com>,
sparclinux@...r.kernel.org,
Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
"Naveen N . Rao" <naveen.n.rao@...ux.ibm.com>,
linuxppc-dev@...ts.ozlabs.org,
Brian Cain <bcain@...cinc.com>,
linux-hexagon@...r.kernel.org,
Guo Ren <guoren@...nel.org>,
linux-csky@...r.kernel.org,
Heiko Carstens <hca@...ux.ibm.com>,
linux-s390@...r.kernel.org,
Rich Felker <dalias@...c.org>,
John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
linux-sh@...r.kernel.org,
"H. Peter Anvin" <hpa@...or.com>,
Alexander Viro <viro@...iv.linux.org.uk>,
Christian Brauner <brauner@...nel.org>,
linux-fsdevel@...r.kernel.org,
libc-alpha@...rceware.org,
musl@...ts.openwall.com,
ltp@...ts.linux.it
Subject: [PATCH 12/15] s390: remove native mmap2() syscall
From: Arnd Bergmann <arnd@...db.de>
The mmap2() syscall has never been used on 64-bit s390x and should
have been removed as part of 5a79859ae0f3 ("s390: remove 31 bit
support").
Remove it now.
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
arch/s390/kernel/syscall.c | 27 ---------------------------
1 file changed, 27 deletions(-)
diff --git a/arch/s390/kernel/syscall.c b/arch/s390/kernel/syscall.c
index dc2355c623d6..50cbcbbaa03d 100644
--- a/arch/s390/kernel/syscall.c
+++ b/arch/s390/kernel/syscall.c
@@ -38,33 +38,6 @@
#include "entry.h"
-/*
- * Perform the mmap() system call. Linux for S/390 isn't able to handle more
- * than 5 system call parameters, so this system call uses a memory block
- * for parameter passing.
- */
-
-struct s390_mmap_arg_struct {
- unsigned long addr;
- unsigned long len;
- unsigned long prot;
- unsigned long flags;
- unsigned long fd;
- unsigned long offset;
-};
-
-SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)
-{
- struct s390_mmap_arg_struct a;
- int error = -EFAULT;
-
- if (copy_from_user(&a, arg, sizeof(a)))
- goto out;
- error = ksys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
-out:
- return error;
-}
-
#ifdef CONFIG_SYSVIPC
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.
--
2.39.2
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