diff options
| author | Christoph Hellwig <hch@lst.de> | 2010-03-11 00:21:13 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-13 00:52:32 +0100 |
| commit | 5d0e52830e9ae09b872567f4aca3dfb5b5918079 (patch) | |
| tree | 55a199575058da551ccc837ab35a1f4826a8c5b4 /arch/arm | |
| parent | drivers/block/floppy.c: remove unnecessary casting in fd_ioctl (diff) | |
| download | linux-5d0e52830e9ae09b872567f4aca3dfb5b5918079.tar.xz linux-5d0e52830e9ae09b872567f4aca3dfb5b5918079.zip | |
Add generic sys_old_select()
Add a generic implementation of the old select() syscall, which expects
its argument in a memory block and switch all architectures over to use
it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: James Morris <jmorris@namei.org>
Acked-by: Andreas Schwab <schwab@linux-m68k.org>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/include/asm/unistd.h | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/calls.S | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/sys_arm.c | 21 |
3 files changed, 2 insertions, 22 deletions
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index cf9cdaa2d4d4..e18500d305ba 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -443,6 +443,7 @@ #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND +#define __ARCH_WANT_SYS_OLD_SELECT #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) #define __ARCH_WANT_SYS_TIME diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 9314a2d681f1..7671e9a75449 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -91,7 +91,7 @@ CALL(sys_settimeofday) /* 80 */ CALL(sys_getgroups16) CALL(sys_setgroups16) - CALL(OBSOLETE(old_select)) /* used by libc4 */ + CALL(OBSOLETE(sys_old_select)) /* used by libc4 */ CALL(sys_symlink) CALL(sys_ni_syscall) /* was sys_lstat */ /* 85 */ CALL(sys_readlink) diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index ae4027bd01bd..e59cddedcbba 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -54,27 +54,6 @@ out: return error; } -/* - * Perform the select(nd, in, out, ex, tv) and mmap() system - * calls. - */ - -struct sel_arg_struct { - unsigned long n; - fd_set __user *inp, *outp, *exp; - struct timeval __user *tvp; -}; - -asmlinkage int old_select(struct sel_arg_struct __user *arg) -{ - struct sel_arg_struct a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - /* sys_select() does the appropriate kernel locking */ - return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); -} - #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) /* * sys_ipc() is the de-multiplexer for the SysV IPC calls.. |