From: Russell King Date: Sun, 6 May 2007 12:56:26 +0000 (+0100) Subject: [ARM] Move syscall saving out of the way of utrace X-Git-Tag: firefly_0821_release~30159^2~1^6~1 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5ba6d3febd4978f31b2c523d64d381603923a709;p=firefly-linux-kernel-4.4.55.git [ARM] Move syscall saving out of the way of utrace utrace removes the ptrace_message field in task_struct. Move our use of this field into a new member in thread_info called "syscall" Signed-off-by: Russell King --- diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index e594b84cca83..13af4006a40f 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -779,8 +779,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_SET_SYSCALL: + task_thread_info(child)->syscall = data; ret = 0; - child->ptrace_message = data; break; #ifdef CONFIG_CRUNCH @@ -817,7 +817,7 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) ip = regs->ARM_ip; regs->ARM_ip = why; - current->ptrace_message = scno; + current_thread_info()->syscall = scno; /* the 0x80 provides a way for the tracing parent to distinguish between a syscall stop and SIGTRAP delivery */ @@ -834,5 +834,5 @@ asmlinkage int syscall_trace(int why, struct pt_regs *regs, int scno) } regs->ARM_ip = ip; - return current->ptrace_message; + return current_thread_info()->syscall; } diff --git a/include/asm-arm/thread_info.h b/include/asm-arm/thread_info.h index 5014794f9eb3..eae85b09db2e 100644 --- a/include/asm-arm/thread_info.h +++ b/include/asm-arm/thread_info.h @@ -57,6 +57,7 @@ struct thread_info { __u32 cpu; /* cpu */ __u32 cpu_domain; /* cpu domain */ struct cpu_context_save cpu_context; /* cpu context */ + __u32 syscall; /* syscall number */ __u8 used_cp[16]; /* thread used copro */ unsigned long tp_value; struct crunch_state crunchstate;