From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3z6v9M4q4kzDqMZ for ; Fri, 29 Dec 2017 02:42:15 +1100 (AEDT) Date: Thu, 28 Dec 2017 10:42:07 -0500 From: Steven Rostedt To: Ard Biesheuvel Cc: linux-kernel@vger.kernel.org, "H. Peter Anvin" , Ralf Baechle , Arnd Bergmann , Heiko Carstens , Kees Cook , Will Deacon , Michael Ellerman , Thomas Garnier , Thomas Gleixner , "Serge E. Hallyn" , Bjorn Helgaas , Benjamin Herrenschmidt , Russell King , Paul Mackerras , Catalin Marinas , "David S. Miller" , Petr Mladek , Ingo Molnar , James Morris , Andrew Morton , Nicolas Pitre , Josh Poimboeuf , Martin Schwidefsky , Sergey Senozhatsky , Linus Torvalds , Jessica Yu , linux-arm-kernel@lists.infradead.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v6 5/8] kernel: tracepoints: add support for relative references Message-ID: <20171228104207.117ee0ff@gandalf.local.home> In-Reply-To: <20171227085033.22389-6-ard.biesheuvel@linaro.org> References: <20171227085033.22389-1-ard.biesheuvel@linaro.org> <20171227085033.22389-6-ard.biesheuvel@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 27 Dec 2017 08:50:30 +0000 Ard Biesheuvel wrote: > To avoid the need for relocating absolute references to tracepoint > structures at boot time when running relocatable kernels (which may > take a disproportionate amount of space), add the option to emit > these tables as relative references instead. > I gave this patch a quick skim over. It appears to not modify anything when CONFIG_HAVE_PREL32_RELOCATIONS is not defined. I haven't thoroughly reviewed it or tested it. But if it doesn't break anything, I'm fine giving you an ack. Acked-by: Steven Rostedt (VMware) -- Steve