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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,
	chenzhongjin@huawei.com, greentime.hu@sifive.com,
	andy.chiu@sifive.com, ben@decadent.org.uk
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 -next V9 04/14] riscv: ptrace: Remove duplicate operation
Date: Tue, 29 Nov 2022 22:40:49 -0500	[thread overview]
Message-ID: <20221130034059.826599-5-guoren@kernel.org> (raw)
In-Reply-To: <20221130034059.826599-1-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);

Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Tested-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
---
 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,
	chenzhongjin@huawei.com, greentime.hu@sifive.com,
	andy.chiu@sifive.com, ben@decadent.org.uk
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 -next V9 04/14] riscv: ptrace: Remove duplicate operation
Date: Tue, 29 Nov 2022 22:40:49 -0500	[thread overview]
Message-ID: <20221130034059.826599-5-guoren@kernel.org> (raw)
In-Reply-To: <20221130034059.826599-1-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);

Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Tested-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
---
 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

  parent reply	other threads:[~2022-11-30  3:42 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-30  3:40 [PATCH -next V9 00/14] riscv: Add GENERIC_ENTRY support and related features guoren
2022-11-30  3:40 ` guoren
2022-11-30  3:40 ` [PATCH -next V9 01/14] compiler_types.h: Add __noinstr_section() for noinstr guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 02/14] riscv: elf_kexec: Fixup compile warning guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 03/14] riscv: compat_syscall_table: " guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` guoren [this message]
2022-11-30  3:40   ` [PATCH -next V9 04/14] riscv: ptrace: Remove duplicate operation guoren
2022-11-30  3:40 ` [PATCH -next V9 05/14] riscv: traps: Add noinstr to prevent instrumentation inserted guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 06/14] riscv: convert to generic entry guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 07/14] riscv: Support HAVE_IRQ_EXIT_ON_IRQ_STACK guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 08/14] riscv: Support HAVE_SOFTIRQ_ON_OWN_STACK guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 09/14] riscv: Add config of thread stack size guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 10/14] riscv: Typo fixup for addi -> andi in comment guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 11/14] riscv: Add support for STACKLEAK gcc plugin guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 12/14] riscv: remove extra level wrappers of trace_hardirqs_{on,off} guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 13/14] riscv: consolidate ret_from_kernel_thread into ret_from_fork guoren
2022-11-30  3:40   ` guoren
2022-11-30  3:40 ` [PATCH -next V9 14/14] riscv: entry: consolidate general regs saving/restoring guoren
2022-11-30  3:40   ` guoren

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