diff mbox series

[-tip,v11,20/27] ARC: Add instruction_pointer_set() API

Message ID	163163050148.489837.15187799269793560256.stgit@devnote2 (mailing list archive)
State	Not Applicable
Delegated to:	BPF
Headers	show Return-Path: <bpf-owner@kernel.org> From: Masami Hiramatsu <mhiramat@kernel.org> To: Steven Rostedt <rostedt@goodmis.org>, Josh Poimboeuf <jpoimboe@redhat.com>, Ingo Molnar <mingo@kernel.org> Cc: X86 ML <x86@kernel.org>, Masami Hiramatsu <mhiramat@kernel.org>, Daniel Xu <dxu@dxuuu.xyz>, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, kuba@kernel.org, mingo@redhat.com, ast@kernel.org, Thomas Gleixner <tglx@linutronix.de>, Borislav Petkov <bp@alien8.de>, Peter Zijlstra <peterz@infradead.org>, kernel-team@fb.com, yhs@fb.com, linux-ia64@vger.kernel.org, Abhishek Sagar <sagar.abhishek@gmail.com>, Andrii Nakryiko <andrii.nakryiko@gmail.com>, Paul McKenney <paulmck@kernel.org> Subject: [PATCH -tip v11 20/27] ARC: Add instruction_pointer_set() API Date: Tue, 14 Sep 2021 23:41:41 +0900 Message-Id: <163163050148.489837.15187799269793560256.stgit@devnote2> In-Reply-To: <163163030719.489837.2236069935502195491.stgit@devnote2> References: <163163030719.489837.2236069935502195491.stgit@devnote2> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk
Series	kprobes: Fix stacktrace with kretprobes on x86 \| expand [-tip,v11,00/27] kprobes: Fix stacktrace with kretprobes on x86 [-tip,v11,01/27] kprobes: Do not use local variable when creating debugfs file [-tip,v11,02/27] kprobes: Use helper to parse boolean input from userspace [-tip,v11,03/27] kprobe: Simplify prepare_kprobe() by dropping redundant version [-tip,v11,04/27] csky: ftrace: Drop duplicate implementation of arch_check_ftrace_location() [-tip,v11,05/27] kprobes: Make arch_check_ftrace_location static [-tip,v11,06/27] kprobes: treewide: Cleanup the error messages for kprobes [-tip,v11,07/27] kprobes: Fix coding style issues [-tip,v11,08/27] kprobes: Use IS_ENABLED() instead of kprobes_built_in() [-tip,v11,09/27] kprobes: Add assertions for required lock [-tip,v11,10/27] kprobes: treewide: Use 'kprobe_opcode_t *' for the code address in get_optimized_k… [-tip,v11,11/27] kprobes: Use bool type for functions which returns boolean value [-tip,v11,12/27] ia64: kprobes: Fix to pass correct trampoline address to the handler [-tip,v11,13/27] kprobes: treewide: Replace arch_deref_entry_point() with dereference_symbol_descri… [-tip,v11,14/27] kprobes: treewide: Remove trampoline_address from kretprobe_trampoline_handler() [-tip,v11,15/27] kprobes: treewide: Make it harder to refer kretprobe_trampoline directly [-tip,v11,16/27] kprobes: Add kretprobe_find_ret_addr() for searching return address [-tip,v11,17/27] objtool: Add frame-pointer-specific function ignore [-tip,v11,18/27] objtool: Ignore unwind hints for ignored functions [-tip,v11,19/27] x86/kprobes: Add UNWIND_HINT_FUNC on kretprobe_trampoline() [-tip,v11,20/27] ARC: Add instruction_pointer_set() API [-tip,v11,21/27] ia64: Add instruction_pointer_set() API [-tip,v11,22/27] arm: kprobes: Make space for instruction pointer on stack [-tip,v11,23/27] kprobes: Enable stacktrace from pt_regs in kretprobe handler [-tip,v11,24/27] x86/kprobes: Push a fake return address at kretprobe_trampoline [-tip,v11,25/27] x86/unwind: Recover kretprobe trampoline entry [-tip,v11,26/27] tracing: Show kretprobe unknown indicator only for kretprobe_trampoline [-tip,v11,27/27] x86/kprobes: Fixup return address in generic trampoline handler

Checks

Context	Check	Description
netdev/tree_selection	success	Not a local patch

Commit Message

Masami Hiramatsu (Google) Sept. 14, 2021, 2:41 p.m. UTC

Add instruction_pointer_set() API for arc.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
---
 arch/arc/include/asm/ptrace.h |    5 +++++
 1 file changed, 5 insertions(+)

diff mbox series

Patch

diff --git a/arch/arc/include/asm/ptrace.h b/arch/arc/include/asm/ptrace.h
index 4c3c9be5bd16..cca8d6583e31 100644
--- a/arch/arc/include/asm/ptrace.h
+++ b/arch/arc/include/asm/ptrace.h
@@ -149,6 +149,11 @@  static inline long regs_return_value(struct pt_regs *regs)
 	return (long)regs->r0;
 }
 
+static inline void instruction_pointer_set(struct pt_regs *regs,
+					   unsigned long val)
+{
+	instruction_pointer(regs) = val;
+}
 #endif /* !__ASSEMBLY__ */
 
 #endif /* __ASM_PTRACE_H */