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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,
	mark.rutland@arm.com, zouyipeng@huawei.com,
	bigeasy@linutronix.de, David.Laight@aculab.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 V5 03/11] riscv: ptrace: Remove duplicate operation
Date: Sun, 18 Sep 2022 11:52:38 -0400	[thread overview]
Message-ID: <20220918155246.1203293-4-guoren@kernel.org> (raw)
In-Reply-To: <20220918155246.1203293-1-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,
	mark.rutland@arm.com, zouyipeng@huawei.com,
	bigeasy@linutronix.de, David.Laight@aculab.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 V5 03/11] riscv: ptrace: Remove duplicate operation
Date: Sun, 18 Sep 2022 11:52:38 -0400	[thread overview]
Message-ID: <20220918155246.1203293-4-guoren@kernel.org> (raw)
In-Reply-To: <20220918155246.1203293-1-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


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http://lists.infradead.org/mailman/listinfo/linux-riscv

  parent reply	other threads:[~2022-09-18 15:53 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-18 15:52 [PATCH V5 00/11] riscv: Add GENERIC_ENTRY support and related features guoren
2022-09-18 15:52 ` guoren
2022-09-18 15:52 ` [PATCH V5 01/11] riscv: elf_kexec: Fixup compile warning guoren
2022-09-18 15:52   ` guoren
2022-09-18 15:52 ` [PATCH V5 02/11] riscv: compat_syscall_table: " guoren
2022-09-18 15:52   ` guoren
2022-09-18 15:52 ` guoren [this message]
2022-09-18 15:52   ` [PATCH V5 03/11] riscv: ptrace: Remove duplicate operation guoren
2022-09-18 15:52 ` [PATCH V5 04/11] compiler_types.h: Add __noinstr_section() for noinstr guoren
2022-09-18 15:52   ` guoren
2022-09-18 15:52 ` [PATCH V5 05/11] riscv: traps: Add noinstr to prevent instrumentation inserted guoren
2022-09-18 15:52   ` guoren
2022-09-18 15:52 ` [PATCH V5 06/11] entry: Prevent DEBUG_PREEMPT warning guoren
2022-09-18 15:52   ` guoren
2022-09-19 11:58   ` Peter Zijlstra
2022-09-19 11:58     ` Peter Zijlstra
2022-09-20  1:45     ` Guo Ren
2022-09-20  1:45       ` Guo Ren
2022-09-30 12:27       ` Guo Ren
2022-09-30 12:27         ` Guo Ren
2022-09-18 15:52 ` [PATCH V5 07/11] riscv: convert to generic entry guoren
2022-09-18 15:52   ` guoren
2022-09-19 13:34   ` Peter Zijlstra
2022-09-19 13:34     ` Peter Zijlstra
2022-09-20  6:36     ` Guo Ren
2022-09-20  6:36       ` Guo Ren
2022-09-20  7:22       ` Peter Zijlstra
2022-09-20  7:22         ` Peter Zijlstra
2022-09-30 11:28         ` Guo Ren
2022-09-30 11:28           ` Guo Ren
2022-09-18 15:52 ` [PATCH V5 08/11] riscv: Support HAVE_IRQ_EXIT_ON_IRQ_STACK guoren
2022-09-18 15:52   ` guoren
2022-09-19 13:45   ` Peter Zijlstra
2022-09-19 13:45     ` Peter Zijlstra
2022-09-20  6:08     ` Guo Ren
2022-09-20  6:08       ` Guo Ren
2022-09-20  7:27       ` Peter Zijlstra
2022-09-20  7:27         ` Peter Zijlstra
2022-09-20  7:34         ` Peter Zijlstra
2022-09-20  7:34           ` Peter Zijlstra
2022-09-21  6:16           ` Guo Ren
2022-09-21  6:16             ` Guo Ren
2022-09-21  8:34   ` Chen Zhongjin
2022-09-21  8:34     ` Chen Zhongjin
2022-09-21  9:53     ` Guo Ren
2022-09-21  9:53       ` Guo Ren
2022-09-21 11:56       ` Chen Zhongjin
2022-09-21 11:56         ` Chen Zhongjin
2022-09-22  1:26         ` Guo Ren
2022-09-22  1:26           ` Guo Ren
2022-09-18 15:52 ` [PATCH V5 09/11] riscv: Support HAVE_SOFTIRQ_ON_OWN_STACK guoren
2022-09-18 15:52   ` guoren
2022-09-20  0:11   ` Guo Ren
2022-09-20  0:11     ` Guo Ren
2022-09-18 15:52 ` [PATCH V5 10/11] riscv: Add config of thread stack size guoren
2022-09-18 15:52   ` guoren
2022-09-18 15:52 ` [PATCH V5 11/11] riscv: Add support for STACKLEAK gcc plugin guoren
2022-09-18 15:52   ` guoren

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