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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n9-20020a056402514900b00504b647149csi2322063edd.550.2023.04.12.04.51.14; Wed, 12 Apr 2023 04:51:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=abopWZ9K; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230208AbjDLLoV (ORCPT + 99 others); Wed, 12 Apr 2023 07:44:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230020AbjDLLoT (ORCPT ); Wed, 12 Apr 2023 07:44:19 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D43C661AC; Wed, 12 Apr 2023 04:44:09 -0700 (PDT) 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=+6YsTkN/VzKPkSPgi2ZGWTjCgSAEzfaFQ+F263UxWaU=; b=abopWZ9KoHUCraZKggm31zSdEW burOcAVmE5Tajg5pq/7c+bWr1uUzUZ/olnv9YWZhhP/VelOkbQiLT0AzyzfosFaCnymv+ATaI3AV8 j5truGbCMdaFHBNrkTYxHi86AcsN/bb7HTXHJJOc+TuImvIXDZh3eYEHWelV58E/4nBOf6Qbss4aa luZbGiOmDgNTeeUT9D9z58HgIABJwJFQPy/wxG0ZZ1acimn+KVT171gfsFS6hVwwpfAzwuy0AacMg eRKuLCoAebheTmOpzKuQMDTu+z8Vrbypq9zUpKjEFCTbmx1DahZFudcbOq/UIu6T6s0/OclrzqShY aZ3MgbEQ==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pmYtO-006pO5-7a; Wed, 12 Apr 2023 11:44:02 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id BF8403002A6; Wed, 12 Apr 2023 13:44:00 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id C84212CB2B462; Wed, 12 Apr 2023 13:44:00 +0200 (CEST) Date: Wed, 12 Apr 2023 13:44:00 +0200 From: Peter Zijlstra To: Josh Poimboeuf Cc: Jens Axboe , Stephen Rothwell , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build warnings after merge of the block tree Message-ID: <20230412114400.GB628377@hirez.programming.kicks-ass.net> References: <20230327120017.6bb826d7@canb.auug.org.au> <20230327162630.wmxpycxhllt4clpt@treble> <20230328104719.65133586@canb.auug.org.au> <20230412073416.73a8ea1a@canb.auug.org.au> <20230411215518.u2fgi7napfcwyuce@treble> <4959d0b8-96fe-7fe5-8b36-7e0a266d1d17@kernel.dk> <20230412001400.yraku5fwsjdchxvk@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230412001400.yraku5fwsjdchxvk@treble> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 11, 2023 at 05:14:00PM -0700, Josh Poimboeuf wrote: > Peter, what do you think, should we make track uaccess state across > function boundaries? So IIRC the goal was to explicitly dis-allow that. You want minimal code executed with STAC and hence disallow calling stuff.