From ae903caae267154de7cf8576b130ff474630596b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 14 Dec 2012 12:44:11 -0500 Subject: Bury the conditionals from kernel_thread/kernel_execve series All architectures have CONFIG_GENERIC_KERNEL_THREAD CONFIG_GENERIC_KERNEL_EXECVE __ARCH_WANT_SYS_EXECVE None of them have __ARCH_WANT_KERNEL_EXECVE and there are only two callers of kernel_execve() (which is a trivial wrapper for do_execve() now) left. Kill the conditionals and make both callers use do_execve(). Signed-off-by: Al Viro --- arch/unicore32/Kconfig | 2 -- arch/unicore32/include/uapi/asm/unistd.h | 1 - 2 files changed, 3 deletions(-) (limited to 'arch/unicore32') diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index c4fbb21e802b..60651df5f952 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -16,8 +16,6 @@ config UNICORE32 select ARCH_WANT_FRAME_POINTERS select GENERIC_IOMAP select MODULES_USE_ELF_REL - select GENERIC_KERNEL_THREAD - select GENERIC_KERNEL_EXECVE help UniCore-32 is 32-bit Instruction Set Architecture, including a series of low-power-consumption RISC chip diff --git a/arch/unicore32/include/uapi/asm/unistd.h b/arch/unicore32/include/uapi/asm/unistd.h index 00cf5e286fca..d4cc4559d848 100644 --- a/arch/unicore32/include/uapi/asm/unistd.h +++ b/arch/unicore32/include/uapi/asm/unistd.h @@ -12,5 +12,4 @@ /* Use the standard ABI for syscalls. */ #include -#define __ARCH_WANT_SYS_EXECVE #define __ARCH_WANT_SYS_CLONE -- cgit v1.2.3 From 5208ba24e7826519d310474dedaed2f84b0ab6a0 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 14 Dec 2012 01:50:19 -0500 Subject: missing user_stack_pointer() instances for the architectures that have usp in pt_regs and do not have user_stack_pointer() already defined. Signed-off-by: Al Viro --- arch/avr32/include/asm/ptrace.h | 1 + arch/m32r/include/asm/ptrace.h | 1 + arch/microblaze/include/asm/ptrace.h | 1 + arch/mips/include/asm/ptrace.h | 1 + arch/score/include/asm/ptrace.h | 1 + arch/tile/include/asm/ptrace.h | 1 + arch/unicore32/include/asm/ptrace.h | 1 + arch/x86/um/asm/ptrace.h | 1 + arch/xtensa/include/asm/ptrace.h | 2 ++ 9 files changed, 10 insertions(+) (limited to 'arch/unicore32') diff --git a/arch/avr32/include/asm/ptrace.h b/arch/avr32/include/asm/ptrace.h index 8d3c412fc65f..630e4f9bf5f0 100644 --- a/arch/avr32/include/asm/ptrace.h +++ b/arch/avr32/include/asm/ptrace.h @@ -21,6 +21,7 @@ #define user_mode(regs) (((regs)->sr & MODE_MASK) == MODE_USER) #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(regs) ((regs)->sp) static __inline__ int valid_user_regs(struct pt_regs *regs) { diff --git a/arch/m32r/include/asm/ptrace.h b/arch/m32r/include/asm/ptrace.h index c4432f1fb2cf..56795d6cab4c 100644 --- a/arch/m32r/include/asm/ptrace.h +++ b/arch/m32r/include/asm/ptrace.h @@ -134,6 +134,7 @@ extern void init_debug_traps(struct task_struct *); #define instruction_pointer(regs) ((regs)->bpc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(regs) ((regs)->spu) extern void withdraw_debug_trap(struct pt_regs *regs); diff --git a/arch/microblaze/include/asm/ptrace.h b/arch/microblaze/include/asm/ptrace.h index 94e92c805859..fa791e218140 100644 --- a/arch/microblaze/include/asm/ptrace.h +++ b/arch/microblaze/include/asm/ptrace.h @@ -60,6 +60,7 @@ struct pt_regs { #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(regs) ((regs)->r1) static inline long regs_return_value(struct pt_regs *regs) { diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index cec5e125f7e4..a3186f2bb8a0 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -49,6 +49,7 @@ static inline long regs_return_value(struct pt_regs *regs) #define instruction_pointer(regs) ((regs)->cp0_epc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(r) ((r)->regs[29]) extern asmlinkage void syscall_trace_enter(struct pt_regs *regs); extern asmlinkage void syscall_trace_leave(struct pt_regs *regs); diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h index e89dc9b1ef49..99cd4efa918e 100644 --- a/arch/score/include/asm/ptrace.h +++ b/arch/score/include/asm/ptrace.h @@ -83,6 +83,7 @@ struct task_struct; #define instruction_pointer(regs) ((unsigned long)(regs)->cp0_epc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(r) ((unsigned long)(r)->regs[0]) extern void do_syscall_trace(struct pt_regs *regs, int entryexit); extern int read_tsk_long(struct task_struct *, unsigned long, unsigned long *); diff --git a/arch/tile/include/asm/ptrace.h b/arch/tile/include/asm/ptrace.h index 1a4fd9ab0ee1..3f792b6d60d5 100644 --- a/arch/tile/include/asm/ptrace.h +++ b/arch/tile/include/asm/ptrace.h @@ -36,6 +36,7 @@ typedef unsigned long pt_reg_t; #define instruction_pointer(regs) ((regs)->pc) #define profile_pc(regs) instruction_pointer(regs) +#define user_stack_pointer(regs) ((regs)->sp) /* Does the process account for user or for system time? */ #define user_mode(regs) (EX1_PL((regs)->ex1) == USER_PL) diff --git a/arch/unicore32/include/asm/ptrace.h b/arch/unicore32/include/asm/ptrace.h index 726749dab52f..9df53d991c78 100644 --- a/arch/unicore32/include/asm/ptrace.h +++ b/arch/unicore32/include/asm/ptrace.h @@ -54,6 +54,7 @@ static inline int valid_user_regs(struct pt_regs *regs) } #define instruction_pointer(regs) ((regs)->UCreg_pc) +#define user_stack_pointer(regs) ((regs)->UCreg_sp) #endif /* __ASSEMBLY__ */ #endif diff --git a/arch/x86/um/asm/ptrace.h b/arch/x86/um/asm/ptrace.h index 755133258c45..54f8102ccde5 100644 --- a/arch/x86/um/asm/ptrace.h +++ b/arch/x86/um/asm/ptrace.h @@ -86,4 +86,5 @@ extern long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr); #endif +#define user_stack_pointer(regs) PT_REGS_SP(regs) #endif /* __UM_X86_PTRACE_H */ diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h index da21c17f23aa..43d0d5d7c8a0 100644 --- a/arch/xtensa/include/asm/ptrace.h +++ b/arch/xtensa/include/asm/ptrace.h @@ -63,6 +63,8 @@ struct pt_regs { # define profile_pc(regs) instruction_pointer(regs) # endif +#define user_stack_pointer(regs) ((regs)->areg[1]) + #else /* __ASSEMBLY__ */ # include -- cgit v1.2.3