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[V2,1/3] riscv: ptrace: Remove duplicate operation

Message ID 20220903162328.1952477-2-guoren@kernel.org (mailing list archive)
State New, archived
Headers show
Series arch: Cleanup ptrace_disable | expand

Commit Message

Guo Ren Sept. 3, 2022, 4:23 p.m. UTC 
From: Guo Ren <guoren@linux.alibaba.com>

The TIF_SYSCALL_TRACE is controlled by a common code, see
kernel/ptrace.c and include/linux/thread.h.

clear_task_syscall_work(child, SYSCALL_TRACE);

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
---
 arch/riscv/kernel/ptrace.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
index 2ae8280ae475..44f4b1ca315d 100644
--- a/arch/riscv/kernel/ptrace.c
+++ b/arch/riscv/kernel/ptrace.c
@@ -212,7 +212,6 @@  unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs, unsigned int n)
 
 void ptrace_disable(struct task_struct *child)
 {
-	clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
 }
 
 long arch_ptrace(struct task_struct *child, long request,