diff options
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 77 | ||||
| -rw-r--r-- | arch/powerpc/kernel/entry_64.S | 13 | ||||
| -rw-r--r-- | arch/powerpc/kernel/syscalls.c | 14 |
3 files changed, 0 insertions, 104 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index da6379550fd2..46fc0f4d8982 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -33,9 +33,6 @@ #include <asm/ftrace.h> #include <asm/ptrace.h> -#undef SHOW_SYSCALLS -#undef SHOW_SYSCALLS_TASK - /* * MSR_KERNEL is > 0x10000 on 4xx/Book-E since it include MSR_CE. */ @@ -307,9 +304,6 @@ _GLOBAL(DoSyscall) lwz r11,_CCR(r1) /* Clear SO bit in CR */ rlwinm r11,r11,0,4,2 stw r11,_CCR(r1) -#ifdef SHOW_SYSCALLS - bl do_show_syscall -#endif /* SHOW_SYSCALLS */ #ifdef CONFIG_TRACE_IRQFLAGS /* Return from syscalls can (and generally will) hard enable * interrupts. You aren't supposed to call a syscall with @@ -352,9 +346,6 @@ syscall_dotrace_cont: blrl /* Call handler */ .globl ret_from_syscall ret_from_syscall: -#ifdef SHOW_SYSCALLS - bl do_show_syscall_exit -#endif mr r6,r3 CURRENT_THREAD_INFO(r12, r1) /* disable interrupts so current_thread_info()->flags can't change */ @@ -523,74 +514,6 @@ syscall_exit_work: bl do_syscall_trace_leave b ret_from_except_full -#ifdef SHOW_SYSCALLS -do_show_syscall: -#ifdef SHOW_SYSCALLS_TASK - lis r11,show_syscalls_task@ha - lwz r11,show_syscalls_task@l(r11) - cmp 0,r2,r11 - bnelr -#endif - stw r31,GPR31(r1) - mflr r31 - lis r3,7f@ha - addi r3,r3,7f@l - lwz r4,GPR0(r1) - lwz r5,GPR3(r1) - lwz r6,GPR4(r1) - lwz r7,GPR5(r1) - lwz r8,GPR6(r1) - lwz r9,GPR7(r1) - bl printk - lis r3,77f@ha - addi r3,r3,77f@l - lwz r4,GPR8(r1) - mr r5,r2 - bl printk - lwz r0,GPR0(r1) - lwz r3,GPR3(r1) - lwz r4,GPR4(r1) - lwz r5,GPR5(r1) - lwz r6,GPR6(r1) - lwz r7,GPR7(r1) - lwz r8,GPR8(r1) - mtlr r31 - lwz r31,GPR31(r1) - blr - -do_show_syscall_exit: -#ifdef SHOW_SYSCALLS_TASK - lis r11,show_syscalls_task@ha - lwz r11,show_syscalls_task@l(r11) - cmp 0,r2,r11 - bnelr -#endif - stw r31,GPR31(r1) - mflr r31 - stw r3,RESULT(r1) /* Save result */ - mr r4,r3 - lis r3,79f@ha - addi r3,r3,79f@l - bl printk - lwz r3,RESULT(r1) - mtlr r31 - lwz r31,GPR31(r1) - blr - -7: .string "syscall %d(%x, %x, %x, %x, %x, " -77: .string "%x), current=%p\n" -79: .string " -> %x\n" - .align 2,0 - -#ifdef SHOW_SYSCALLS_TASK - .data - .globl show_syscalls_task -show_syscalls_task: - .long -1 - .text -#endif -#endif /* SHOW_SYSCALLS */ - /* * The fork/clone functions need to copy the full register set into * the child process. Therefore we need to save all the nonvolatile diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index fefaa1485bd3..d180caf2d6de 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -49,8 +49,6 @@ exception_marker: .section ".text" .align 7 -#undef SHOW_SYSCALLS - .globl system_call_common system_call_common: andi. r10,r12,MSR_PR @@ -142,13 +140,6 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) li r10,1 std r10,SOFTE(r1) -#ifdef SHOW_SYSCALLS - bl do_show_syscall - REST_GPR(0,r1) - REST_4GPRS(3,r1) - REST_2GPRS(7,r1) - addi r9,r1,STACK_FRAME_OVERHEAD -#endif CURRENT_THREAD_INFO(r11, r1) ld r10,TI_FLAGS(r11) andi. r11,r10,_TIF_SYSCALL_DOTRACE @@ -180,10 +171,6 @@ system_call: /* label this so stack traces look sane */ .Lsyscall_exit: std r3,RESULT(r1) -#ifdef SHOW_SYSCALLS - bl do_show_syscall_exit - ld r3,RESULT(r1) -#endif CURRENT_THREAD_INFO(r12, r1) ld r8,_MSR(r1) diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index cd9be9aa016d..b2702e87db0d 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -121,17 +121,3 @@ long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low, return sys_fadvise64(fd, (u64)offset_high << 32 | offset_low, (u64)len_high << 32 | len_low, advice); } - -void do_show_syscall(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, unsigned long r8, - struct pt_regs *regs) -{ - printk("syscall %ld(%lx, %lx, %lx, %lx, %lx, %lx) regs=%p current=%p" - " cpu=%d\n", regs->gpr[0], r3, r4, r5, r6, r7, r8, regs, - current, smp_processor_id()); -} - -void do_show_syscall_exit(unsigned long r3) -{ - printk(" -> %lx, current=%p cpu=%d\n", r3, current, smp_processor_id()); -} |