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 E9AF7C531CA for ; Thu, 23 Jul 2026 12:23:00 +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:MIME-Version: Content-Transfer-Encoding:Content-Type:References:In-Reply-To:Date:Cc:To:From :Subject:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HnYuyydajNOkyDo7yMJK3bEOrLzTKhCqSDD/DQcxFKM=; b=PYBLYAYr1XcqLlUGqEiHRuSRb9 gXdRXCJUl9aKd4HZWF7KTSMg4sNfOrKMq6pqlzum35rtneF9PB5yMYN4KEUR1ojWJ5hyYSJvIvSQN VRdIn73QfFwvCIp7P3jNATdOp2GyAHxPQPKtvCnfaMNpV++pgwXDyGxuPlNaqp48ds6HGobgL8kdC nn9dChP6n8xt+6DUcVYQCPYzzHi2qFNTTVCtnhFWZXw9L3HQlq/MtF7lDEkIGBhaVEAX+lGonf6Bn 99JRPzm2ihYjaFcoAazciFRzsRgziuWNQb56syHePPRCkRJZzeGmem4LWnI78GdJpNlPN4jwr/tK6 VjxjHzIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wmsS3-0000000EECh-1qBW; Thu, 23 Jul 2026 12:22:59 +0000 Received: from s3.sipsolutions.net ([2a01:4f8:242:246e::2] helo=sipsolutions.net) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wmsRz-0000000EEBs-127o for linux-um@lists.infradead.org; Thu, 23 Jul 2026 12:22:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sipsolutions.net; s=mail; h=MIME-Version:Content-Transfer-Encoding: Content-Type:References:In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-To: Resent-Cc:Resent-Message-ID; bh=HnYuyydajNOkyDo7yMJK3bEOrLzTKhCqSDD/DQcxFKM=; t=1784809375; x=1786018975; b=tHKkTxUAi9wSMC1OSnNoMN9mp0UWE/z9Pk/Lrh2t8pnAA2N 8RA1O5kOEgOoUSOgDGJz7U5R0KnPV9qVuHcyjTGXHFel0OhMuZT2m9AXLYsWcvOrHU866xdagWUiE 8af2btOi0c0PzZnahbMaMBh3p8Bq7Le4FLDMkAZAzRsK1TUJ03oc2XSDH1xJBb8CieUjYZ7brE6mg PR+qlmhEHmJAenc/ypgfXbYJmLv67deCim9/T506Te15EBMg0u62JDvrJ49LjNtw75w9gV67lD0wQ najGOe24c3ojH9OqZh9fNObOB4CSSTmnvD+QUUrrmEgz4cpnqjIZhKSNak4ufuZg==; Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_X25519__ECDSA_SECP256R1_SHA256__AES_256_GCM:256) (Exim 4.98.2) (envelope-from ) id 1wmsRu-0000000Bm69-3rKw; Thu, 23 Jul 2026 14:22:51 +0200 Message-ID: <07b3c945a5aeeb08fb25955fb072308e3744402e.camel@sipsolutions.net> Subject: Re: [PATCH v2 00/10] simplified UML/NOMMU approach From: Johannes Berg To: "Lorenzo Stoakes (ARM)" Cc: linux-um@lists.infradead.org, Hajime Tazaki , liam@infradead.org, Ricardo Koller Date: Thu, 23 Jul 2026 14:22:50 +0200 In-Reply-To: References: <20260723093633.140989-12-johannes@sipsolutions.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.58.3 (3.58.3-1.fc43) MIME-Version: 1.0 X-malware-bazaar: not-scanned X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260723_052255_795234_F44EC7CE X-CRM114-Status: GOOD ( 13.47 ) X-BeenThere: linux-um@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-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Thu, 2026-07-23 at 12:50 +0100, Lorenzo Stoakes (ARM) wrote: > On Thu, Jul 23, 2026 at 11:35:41AM +0200, Johannes Berg wrote: > > Prior RFC/v1 was here: > > https://lore.kernel.org/linux-um/20260720185103.530603-11-johannes@sips= olutions.net/ >=20 > Thanks for this! I really really want a nommu UML mode for testing purpos= es so > I'm very happy you're doing this :) :) > One mildly annoying note though - it'd be good for the cover letter to su= mmarise > what the series is about, what it achieves, how it compares for instance = to > Hajime's original approach ([0]). >=20 > I guess how cover letters are used varies by subsystem somewhat but I fin= d it > really actively useful to see a summary in the cover letter. >=20 > Anyway reading thorugh the RFC which already covers this seems that this > achieves nommu UML with less changes needed which sounds really interesti= ng! Right, sorry, I got lazy and didn't copy/paste the RFC cover letter but only put the link to it instead. Is there something beyond what I wrote there that you were looking for? > I may pull this series locally and have a play... :) If you do, let us know how it goes :) johannes