From 530550651fdfd548d25b6bd5ff4607803540508b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sat, 20 Oct 2012 13:14:08 -0400 Subject: tile: switch to generic sys_execve() Acked-by: Chris Metcalf Signed-off-by: Al Viro --- arch/tile/kernel/sys.c | 1 - 1 file changed, 1 deletion(-) (limited to 'arch/tile/kernel/sys.c') diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c index b08095b402d6..359e76f68838 100644 --- a/arch/tile/kernel/sys.c +++ b/arch/tile/kernel/sys.c @@ -107,7 +107,6 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, #endif /* Call the trampolines to manage pt_regs where necessary. */ -#define sys_execve _sys_execve #define sys_sigaltstack _sys_sigaltstack #define sys_rt_sigreturn _sys_rt_sigreturn #define sys_clone _sys_clone -- cgit v1.2.1 From 6b14e4198c729b748a7f6d22059e6a101d2b241a Mon Sep 17 00:00:00 2001 From: Chris Metcalf Date: Tue, 23 Oct 2012 13:30:54 -0400 Subject: arch/tile: eliminate pt_regs trampolines for syscalls Using the new current_pt_regs() model, we can remove some trampolines from assembly code and call directly to the C syscall implementations. rt_sigreturn() and clone() still need some assembly wrapping, but no longer are passed a pt_regs pointer. sigaltstack() and the tilepro-specific cmpxchg_badaddr() syscalls are now just straight C. Signed-off-by: Chris Metcalf --- arch/tile/kernel/sys.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'arch/tile/kernel/sys.c') diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c index 359e76f68838..02ff5c0ef775 100644 --- a/arch/tile/kernel/sys.c +++ b/arch/tile/kernel/sys.c @@ -106,13 +106,11 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, #define sys_readahead sys32_readahead #endif -/* Call the trampolines to manage pt_regs where necessary. */ -#define sys_sigaltstack _sys_sigaltstack +/* Call the assembly trampolines where necessary. */ +#undef sys_rt_sigreturn #define sys_rt_sigreturn _sys_rt_sigreturn +#undef sys_clone #define sys_clone _sys_clone -#ifndef __tilegx__ -#define sys_cmpxchg_badaddr _sys_cmpxchg_badaddr -#endif /* * Note that we can't include here since the header -- cgit v1.2.1 From 24465a40ba452bd81fdc9eecb2d75bb903aafdf6 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Wed, 28 Nov 2012 23:04:26 -0500 Subject: take sys_fork/sys_vfork/sys_clone prototypes to linux/syscalls.h now it can be done... Signed-off-by: Al Viro --- arch/tile/kernel/sys.c | 1 - 1 file changed, 1 deletion(-) (limited to 'arch/tile/kernel/sys.c') diff --git a/arch/tile/kernel/sys.c b/arch/tile/kernel/sys.c index 02ff5c0ef775..b881a7be24bd 100644 --- a/arch/tile/kernel/sys.c +++ b/arch/tile/kernel/sys.c @@ -109,7 +109,6 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len, /* Call the assembly trampolines where necessary. */ #undef sys_rt_sigreturn #define sys_rt_sigreturn _sys_rt_sigreturn -#undef sys_clone #define sys_clone _sys_clone /* -- cgit v1.2.1