linux-kernel - Re: [PATCH v3] ftrace: Consolidate ftrace_regs accessor functions for archs using pt

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Message-ID: <Zwj9QocrEVtgraHp@arm.com>
Date: Fri, 11 Oct 2024 11:26:10 +0100
From: Catalin Marinas <catalin.marinas@....com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, loongarch@...ts.linux.dev,
	linuxppc-dev@...ts.ozlabs.org, linux-riscv@...ts.infradead.org,
	linux-s390@...r.kernel.org,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Mark Rutland <mark.rutland@....com>, Will Deacon <will@...nel.org>,
	Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Michael Ellerman <mpe@...erman.id.au>,
	Nicholas Piggin <npiggin@...il.com>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Naveen N Rao <naveen@...nel.org>,
	Madhavan Srinivasan <maddy@...ux.ibm.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Heiko Carstens <hca@...ux.ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Sven Schnelle <svens@...ux.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>
Subject: Re: [PATCH v3] ftrace: Consolidate ftrace_regs accessor functions
 for archs using pt_regs

On Thu, Oct 10, 2024 at 08:21:14PM -0400, Steven Rostedt wrote:
> diff --git a/arch/arm64/include/asm/ftrace.h b/arch/arm64/include/asm/ftrace.h
> index bbb69c7751b9..5ccff4de7f09 100644
> --- a/arch/arm64/include/asm/ftrace.h
> +++ b/arch/arm64/include/asm/ftrace.h
> @@ -54,6 +54,7 @@ extern void return_to_handler(void);
>  unsigned long ftrace_call_adjust(unsigned long addr);
>  
>  #ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
> +#define HAVE_ARCH_FTRACE_REGS
>  struct dyn_ftrace;
>  struct ftrace_ops;
>  struct ftrace_regs;

In case you need an ack for the arm64 change

Acked-by: Catalin Marinas <catalin.marinas@....com>