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authorChristoph Hellwig <hch@lst.de>2010-03-10 18:21:13 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 18:52:32 -0500
commit5d0e52830e9ae09b872567f4aca3dfb5b5918079 (patch)
tree55a199575058da551ccc837ab35a1f4826a8c5b4 /arch/x86/kernel/sys_i386_32.c
parent724ee626f38feaea215a11790e1a0cb5d83b0628 (diff)
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/x86/kernel/sys_i386_32.c')
-rw-r--r--arch/x86/kernel/sys_i386_32.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c
index dee1ff7cba58..345dbd19a2b3 100644
--- a/arch/x86/kernel/sys_i386_32.c
+++ b/arch/x86/kernel/sys_i386_32.c
@@ -58,23 +58,6 @@ out:
58 return err; 58 return err;
59} 59}
60 60
61
62struct sel_arg_struct {
63 unsigned long n;
64 fd_set __user *inp, *outp, *exp;
65 struct timeval __user *tvp;
66};
67
68asmlinkage int old_select(struct sel_arg_struct __user *arg)
69{
70 struct sel_arg_struct a;
71
72 if (copy_from_user(&a, arg, sizeof(a)))
73 return -EFAULT;
74 /* sys_select() does the appropriate kernel locking */
75 return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
76}
77
78/* 61/*
79 * sys_ipc() is the de-multiplexer for the SysV IPC calls.. 62 * sys_ipc() is the de-multiplexer for the SysV IPC calls..
80 * 63 *