From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 23332C433EF for ; Thu, 12 May 2022 13:51:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3VIpsvknAtAmUtRXMC9pZDgtw+Pr9HUfX9e4zriEyfg=; b=WNF3cnHZvVYyUA xCQR8uVu/hGhRsA+qToCvJX2pp+lm9dJkq5J90rh84nEtyE8wcMt+dTaVFW/2+n5LZDyX7gpFzKCO GzjB0azJ0XRXSwmTE4XETprWWDjdFyirQqnO+6GmiPtzJ6gqUEUuKStivm2+A2raE9aOQqVwWwTwK aLwJYTtMCPe8hJar1n83EWyoTnilxcbBCkjfnMIVeU1WU/m3CEJ081PEx+jBBB1c+DcujTujutmIM EbaUHmG7kgIjJPxLYg4o1WKqALZcWUwcg2rcyuOoqyTQcfooljLgBNupNpa83z7NTzfJX69a8gOWC I7DLlTTr1Aj4wf4wtziA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1np9Cr-00CBF8-PC; Thu, 12 May 2022 13:50:17 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1np9Co-00CBEM-Vg for linux-arm-kernel@lists.infradead.org; Thu, 12 May 2022 13:50:16 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id CF46E616CC; Thu, 12 May 2022 13:50:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49A66C385B8; Thu, 12 May 2022 13:50:12 +0000 (UTC) Date: Thu, 12 May 2022 09:50:10 -0400 From: Steven Rostedt To: Masami Hiramatsu Cc: Mark Rutland , Wang ShaoBo , cj.chengjian@huawei.com, huawei.libin@huawei.com, xiexiuqi@huawei.com, liwei391@huawei.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com, will@kernel.org, zengshun.wu@outlook.com, Jiri Olsa Subject: Re: [RFC PATCH -next v2 3/4] arm64/ftrace: support dynamically allocated trampolines Message-ID: <20220512095010.7b34fc78@gandalf.local.home> In-Reply-To: <20220512210231.f9178a98f20a37981b1e89e3@kernel.org> References: <20220421100639.03c0d123@gandalf.local.home> <20220421114201.21228eeb@gandalf.local.home> <20220421130648.56b21951@gandalf.local.home> <20220422114541.34d71ad9@gandalf.local.home> <20220426174749.b5372c5769af7bf901649a05@kernel.org> <20220505121538.04773ac98e2a8ba17f675d39@kernel.org> <20220509142203.6c4f2913@gandalf.local.home> <20220510181012.d5cba23a2547f14d14f016b9@kernel.org> <20220510104446.6d23b596@gandalf.local.home> <20220511233450.40136cdf6a53eb32cd825be8@kernel.org> <20220511111207.25d1a693@gandalf.local.home> <20220512210231.f9178a98f20a37981b1e89e3@kernel.org> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220512_065015_106371_110F6F05 X-CRM114-Status: GOOD ( 12.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 12 May 2022 21:02:31 +0900 Masami Hiramatsu wrote: > BTW, "what register is saved" can be determined statically, thus I think > we just need the offset for checking (for fprobe usecase, since it will > set the ftrace_ops flag by itself.) I'm not against that API, but I guess it would be useful to see how it would be used. -- Steve _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel