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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9BE3DC4332F for ; Thu, 31 Mar 2022 05:37:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id F346F6B0072; Thu, 31 Mar 2022 01:37:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EE4786B0073; Thu, 31 Mar 2022 01:37:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DD2948D0001; Thu, 31 Mar 2022 01:37:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.28]) by kanga.kvack.org (Postfix) with ESMTP id CE9906B0072 for ; Thu, 31 Mar 2022 01:37:08 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay11.hostedemail.com (Postfix) with ESMTP id 8E10D81AB4 for ; Thu, 31 Mar 2022 05:37:08 +0000 (UTC) X-FDA: 79303572936.04.1539C75 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf15.hostedemail.com (Postfix) with ESMTP id 9D520A000B for ; Thu, 31 Mar 2022 05:37:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=p29tzLs7zbArA80t2+AEJP2/7OfrWVSV/z0IMyFFAek=; b=vbhxdY5reNpcS8vZGSC9E30dLW 4FHTT4hxSaBUhQ0puWeb0LrMMPJmUY5xhzewVcyxHl1XmUZBLzi8u5jYxjvSnsqbtXori/uBk0uZO TAJk6D1FOMEmPH0m4u51QFSkYYUFRtkM6ks+r5gvy7nFK1U4mc0Kjf52ybRZzndG5KzmDTIrdCPz3 S1TxP0dBD1xRVN/itQ5OpMg08jHw280/1395Yh84f4SbTEH9jSVAZJbsPsFOmvF5UO4wCroxwSmhX oTYUIRLnw1fSGPQPc1UxeLBQ0c6zIgpaRUPLAfpMwEZvuqjOjzuvY83VtnvbQ+mewkNcmdDY/yZhp LVIgyCiw==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nZnUW-000iTg-Cq; Thu, 31 Mar 2022 05:37:04 +0000 Date: Wed, 30 Mar 2022 22:37:04 -0700 From: Christoph Hellwig To: Song Liu Cc: linux-mm@kvack.org, bpf@vger.kernel.org, netdev@vger.kernel.org, x86@kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, kernel-team@fb.com, akpm@linux-foundation.org, pmenzel@molgen.mpg.de, rick.p.edgecombe@intel.com Subject: Re: [PATCH bpf 0/4] introduce HAVE_ARCH_HUGE_VMALLOC_FLAG for bpf_prog_pack Message-ID: References: <20220330225642.1163897-1-song@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220330225642.1163897-1-song@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspam-User: X-Stat-Signature: xq1xr8xgs1f3oyygwpnw3ch7337uq6om Authentication-Results: imf15.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=vbhxdY5r; spf=none (imf15.hostedemail.com: domain of BATV+d35b8156291902ea7f6c+6794+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+d35b8156291902ea7f6c+6794+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 9D520A000B X-HE-Tag: 1648705027-386082 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Mar 30, 2022 at 03:56:38PM -0700, Song Liu wrote: > We prematurely enabled HAVE_ARCH_HUGE_VMALLOC for x86_64, which could cause > issues [1], [2]. > Please fix the underlying issues instead of papering over them and creating a huge maintainance burden for others.