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 138C8CF11DF for ; Thu, 10 Oct 2024 12:16:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=DYvkZ2vUGSAZbVyOfVMNm2kuUZQ1E+txfCU8aXfYNEM=; b=CkQMDfVqbCOfPEMRGYrnb8riq5 hvXWV7kLvSPj8Ngw28WXVolq3iuNQ/5OTkiZdCVZU9306n2UdYORUnnF0XoRtrvkxmPsOrWeJETU8 vx7afZyvu80inBP3lnwWo94g5H2XvWT1Jrpk/Emh9LhDIstdYvxpiOrsDK2VLfsrbLpbX//bT26tM fHKMefKjCoPOO0cc/XVTkWuhBpn2mYyklAU4VPcMe0w/JjDZ/1eA4IFoEDkuX7V47ZoxJea73sqi2 pCy0gnJjXh87s8jnbgT0IcPlIKj8Lx78D6o/N8AVMvB32xzlRAqVgG94cyWOTpANs6CsjSsmE5rVI AkUosU9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1sys5S-0000000Cfum-28WB; Thu, 10 Oct 2024 12:16:10 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1syqxR-0000000CUVa-04TW; Thu, 10 Oct 2024 11:03:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=DYvkZ2vUGSAZbVyOfVMNm2kuUZQ1E+txfCU8aXfYNEM=; b=jhJjvP3DbEkCBmzUl3hpIVmzms mpT9IUEnM1KI0iW40ApHc531hjmlNo1agLYtYU4xcixTpF6gQDomNRgHE+yawTHq/xkfw5odBa1fN S2VFTgh1mobq7kXEeJmBtA//bFrJr8e4A34lOx3NsVJh0Z6Dfn35ypEXXUVlwJhdCS/rCJSxAiB5b d0fpFO94SMjQ2YSvxxsSX/6BssJA2eB4T0OFebLSENQoo7EOu/fE5A0cWXCBONata2FTBvM+4TT5T G5New8Zv7CWIOjCyrn8REp8vgM9wcPk/HRlzt3L2O8VWFON7CGqkHCbmpRAIBfOUGvCK9+Rtk+/pN 2RBO6UnA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1syqxM-00000007S3m-2zmd; Thu, 10 Oct 2024 11:03:45 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 4DF9930088D; Thu, 10 Oct 2024 13:03:44 +0200 (CEST) Date: Thu, 10 Oct 2024 13:03:44 +0200 From: Peter Zijlstra To: Mark Rutland Cc: Alice Ryhl , Matthew Maurer , Sami Tolvanen , Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Paul Walmsley , Palmer Dabbelt , Albert Ou , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?iso-8859-1?Q?Bj=F6rn?= Roy Baron , Benno Lossin , Andreas Hindborg , Trevor Gross , Kees Cook , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, rust-for-linux@vger.kernel.org Subject: Re: [PATCH] cfi: rust: pass -Zpatchable-function-entry on all architectures Message-ID: <20241010110344.GL14587@noisy.programming.kicks-ass.net> References: <20241008-cfi-patchable-all-v1-1-512481fd731d@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Oct 10, 2024 at 11:45:07AM +0100, Mark Rutland wrote: > What happens on x86 for ftrace and rust? I can't seem to enable CONFIG_RUST, so I can't tell you :/