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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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