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powerpc/syscalls: kill ppc32_select() 

it had always been pointless - compat_sys_select() sign-extends
the first argument just fine on its own.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[mpe: Use COMPAT_SPU_NEW() to keep systbl_chk.sh happy]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Al Viro 2018-05-02 23:20:50 +10:00 committed by Michael Ellerman
parent 454d7ef81a
commit 28b9c34aa6
2 changed files with 1 additions and 10 deletions
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2
arch/powerpc/include/asm/systbl.h
View File

@ -147,7 +147,7 @@ SYSCALL_SPU(setfsuid)
SYSCALL_SPU(setfsgid)
SYSCALL_SPU(llseek)
COMPAT_SYS_SPU(getdents)
SYSX_SPU(sys_select,ppc32_select,sys_select)
COMPAT_SPU_NEW(select)
SYSCALL_SPU(flock)
SYSCALL_SPU(msync)
COMPAT_SYS_SPU(readv)

9
arch/powerpc/kernel/sys_ppc32.c
View File

@ -52,15 +52,6 @@
#include <asm/syscalls.h>
#include <asm/switch_to.h>
asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp, compat_ulong_t __user *exp,
compat_uptr_t tvp_x)
{
/* sign extend n */
return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x));
}
unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)