From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E59D13DDAA; Mon, 14 Oct 2024 09:35:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728898505; cv=none; b=rpcT6hWd2KipAqZaOQOUcytO5u1SbLvycb176OWGh3FXhl9CN6cNAbq0PqSReTWVAcwjPofIUsTYOipLqPhpz0iaGA6Us8he06PtsFBpKczC+EiKBKry40uxrYER9537IHXv+cp8WA7aJgRSUARWcq9J8ZboLqguEq4ZNSmOsKE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728898505; c=relaxed/simple; bh=x+/ck9aSh/7gVu837hFafgBrqLRUSUaV7ySbBYzEog4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=dapbfAsPnst0WLZ0uRboa85LtLnt5OgSendgRtSIvD2GpmCNcF13T9LBDiy+k7PDPEbyaKBu1a3EOSaMkrIRSokE1aeVFRIDUoO9BMsMKpiHkNw/eMBVEDHTZ8l+WanjZWTkdp4gSVaL+Y5QrcnZ53cOkAvKtn27XacUQnDO5EQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au; spf=pass smtp.mailfrom=ellerman.id.au; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b=PGxm1Fmp; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ellerman.id.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="PGxm1Fmp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ellerman.id.au; s=201909; t=1728898499; bh=8yoW/bMMuUhsNoIY+v03cV8Q96rOm7zzVNxOIEq8g1Y=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=PGxm1FmpnYKCOYZYldJbve93zPeip8NT8lNVexJfj88C+KlBtt0XdbTEYrHZAvz1V B58uehx94E4sgjuY+XEpn1IQkx2SpdYJYY8wEggF7xP7T61kW/caf4yiV0lILKw2N4 zf0K5Y/DT4AOlxmLmzEuk5LbAdMKnnuNzcWmXR9apHO6VnEimT+ogxzj7+oH0wa6Bw Qe4k2nuLx8KTUYrwqFQklRQpchinn74TXgmmfA49qZjxGaBgbOpdS99PsfNJE+tZd9 UwvwBS/y3GB3Sa+tSx5O/DCEXvnzt/v0ppfakLsbIZdZ1O4OUB2NOFWKYA0/Cq8JGr 5m5WbVOeW3dIg== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4XRsWz6R99z4wbr; Mon, 14 Oct 2024 20:34:55 +1100 (AEDT) From: Michael Ellerman To: Steven Rostedt , linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , linux-arch@vger.kernel.org, "x86@kernel.org" , Will Deacon , Huacai Chen , WANG Xuerui , Nicholas Piggin , Christophe Leroy , Naveen N Rao , Madhavan Srinivasan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Catalin Marinas Subject: Re: [for-next][PATCH 4/4] ftrace: Consolidate ftrace_regs accessor functions for archs using pt_regs In-Reply-To: <20241011132956.899228335@goodmis.org> References: <20241011132941.339392460@goodmis.org> <20241011132956.899228335@goodmis.org> Date: Mon, 14 Oct 2024 20:34:52 +1100 Message-ID: <87iktv58oz.fsf@mail.lhotse> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Steven Rostedt writes: > From: Steven Rostedt > > Most architectures use pt_regs within ftrace_regs making a lot of the > accessor functions just calls to the pt_regs internally. Instead of > duplication this effort, use a HAVE_ARCH_FTRACE_REGS for architectures > that have their own ftrace_regs that is not based on pt_regs and will > define all the accessor functions, and for the architectures that just use > pt_regs, it will leave it undefined, and the default accessor functions > will be used. > > Note, this will also make it easier to add new accessor functions to > ftrace_regs as it will mean having to touch less architectures. > > Cc: > Cc: "x86@kernel.org" > Cc: Mathieu Desnoyers > Cc: Mark Rutland > Cc: Will Deacon > Cc: Huacai Chen > Cc: WANG Xuerui > Cc: Michael Ellerman > Cc: Nicholas Piggin > Cc: Christophe Leroy > Cc: Naveen N Rao > Cc: Madhavan Srinivasan > Cc: Paul Walmsley > Cc: Palmer Dabbelt > Cc: Albert Ou > Cc: Heiko Carstens > Cc: Vasily Gorbik > Cc: Alexander Gordeev > Cc: Christian Borntraeger > Cc: Sven Schnelle > Cc: Thomas Gleixner > Cc: Ingo Molnar > Cc: Borislav Petkov > Cc: Dave Hansen > Link: https://lore.kernel.org/20241010202114.2289f6fd@gandalf.local.home > Acked-by: Masami Hiramatsu (Google) > Acked-by: Heiko Carstens # s390 > Acked-by: Catalin Marinas > Suggested-by: Masami Hiramatsu (Google) > Signed-off-by: Steven Rostedt (Google) > --- > arch/arm64/include/asm/ftrace.h | 1 + > arch/loongarch/include/asm/ftrace.h | 25 +------------------- > arch/powerpc/include/asm/ftrace.h | 26 +-------------------- Acked-by: Michael Ellerman (powerpc) cheers > arch/riscv/include/asm/ftrace.h | 1 + > arch/s390/include/asm/ftrace.h | 26 +-------------------- > arch/x86/include/asm/ftrace.h | 21 +---------------- > include/linux/ftrace.h | 32 ++++++------------------- > include/linux/ftrace_regs.h | 36 +++++++++++++++++++++++++++++ > 8 files changed, 49 insertions(+), 119 deletions(-) > create mode 100644 include/linux/ftrace_regs.h