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From: guoren@kernel.org
To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com,
	tglx@linutronix.de, peterz@infradead.org, luto@kernel.org,
	conor.dooley@microchip.com, heiko@sntech.de, jszhang@kernel.org,
	lazyparser@gmail.com, falcon@tinylab.org, chenhuacai@kernel.org,
	apatel@ventanamicro.com, atishp@atishpatra.org,
	palmer@dabbelt.com, paul.walmsley@sifive.com
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org,
	Guo Ren <guoren@linux.alibaba.com>,
	Oleg Nesterov <oleg@redhat.com>
Subject: [PATCH V2 1/6] riscv: ptrace: Remove duplicate operation
Date: Sun,  4 Sep 2022 03:26:32 -0400	[thread overview]
Message-ID: <20220904072637.8619-2-guoren@kernel.org> (raw)
In-Reply-To: <20220904072637.8619-1-guoren@kernel.org>

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(-)

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,
-- 
2.36.1


WARNING: multiple messages have this Message-ID (diff)
From: guoren@kernel.org
To: arnd@arndb.de, guoren@kernel.org, palmer@rivosinc.com,
	tglx@linutronix.de, peterz@infradead.org, luto@kernel.org,
	conor.dooley@microchip.com, heiko@sntech.de, jszhang@kernel.org,
	lazyparser@gmail.com, falcon@tinylab.org, chenhuacai@kernel.org,
	apatel@ventanamicro.com, atishp@atishpatra.org,
	palmer@dabbelt.com, paul.walmsley@sifive.com
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org,
	Guo Ren <guoren@linux.alibaba.com>,
	Oleg Nesterov <oleg@redhat.com>
Subject: [PATCH V2 1/6] riscv: ptrace: Remove duplicate operation
Date: Sun,  4 Sep 2022 03:26:32 -0400	[thread overview]
Message-ID: <20220904072637.8619-2-guoren@kernel.org> (raw)
In-Reply-To: <20220904072637.8619-1-guoren@kernel.org>

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(-)

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,
-- 
2.36.1


_______________________________________________
linux-riscv mailing list
linux-riscv@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-riscv

  reply	other threads:[~2022-09-04  7:27 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-04  7:26 [PATCH V2 0/6] riscv: Add GENERIC_ENTRY, IRQ_STACKS support guoren
2022-09-04  7:26 ` guoren
2022-09-04  7:26 ` guoren [this message]
2022-09-04  7:26   ` [PATCH V2 1/6] riscv: ptrace: Remove duplicate operation guoren
2022-09-04  7:26 ` [PATCH V2 2/6] riscv: convert to generic entry guoren
2022-09-04  7:26   ` guoren
2022-09-04  7:26 ` [PATCH V2 3/6] riscv: Support HAVE_IRQ_EXIT_ON_IRQ_STACK guoren
2022-09-04  7:26   ` guoren
2022-09-04  7:26 ` [PATCH V2 4/6] riscv: Support HAVE_SOFTIRQ_ON_OWN_STACK guoren
2022-09-04  7:26   ` guoren
2022-09-04  7:26 ` [PATCH V2 5/6] riscv: elf_kexec: Fixup compile warning guoren
2022-09-04  7:26   ` guoren
2022-09-04 10:36   ` Conor.Dooley
2022-09-04 10:36     ` Conor.Dooley
2022-09-04 10:56     ` Guo Ren
2022-09-04 10:56       ` Guo Ren
2022-09-04 11:13       ` Conor.Dooley
2022-09-04 11:13         ` Conor.Dooley
2022-09-04 11:55         ` Guo Ren
2022-09-04 11:55           ` Guo Ren
2022-09-04  7:26 ` [PATCH V2 6/6] riscv: compat_syscall_table: " guoren
2022-09-04  7:26   ` guoren
2022-09-04 10:08   ` Conor.Dooley
2022-09-04 10:08     ` Conor.Dooley
2022-09-04 10:17 ` [PATCH V2 0/6] riscv: Add GENERIC_ENTRY, IRQ_STACKS support Conor.Dooley
2022-09-04 10:17   ` Conor.Dooley
2022-09-04 10:40   ` Guo Ren
2022-09-04 10:40     ` Guo Ren
2022-09-04 11:05   ` Guo Ren
2022-09-04 11:05     ` Guo Ren
2022-09-05 13:18 ` Jisheng Zhang
2022-09-05 13:18   ` Jisheng Zhang
2022-09-06  1:55   ` Guo Ren
2022-09-06  1:55     ` Guo Ren

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