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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7FCD5CC6B00 for ; Thu, 2 Apr 2026 04:35:49 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A447D6B0088; Thu, 2 Apr 2026 00:35:48 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9CE816B0089; Thu, 2 Apr 2026 00:35:48 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 896216B008C; Thu, 2 Apr 2026 00:35:48 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 7474A6B0088 for ; Thu, 2 Apr 2026 00:35:48 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 23BB6E093E for ; Thu, 2 Apr 2026 04:35:48 +0000 (UTC) X-FDA: 84612352776.09.A900336 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf14.hostedemail.com (Postfix) with ESMTP id 742BB100007 for ; Thu, 2 Apr 2026 04:35:46 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=MsBLavZG; spf=pass (imf14.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1775104546; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Ex4olADDsDS+O0/vImpsTSMTpTa6qEYgLRsG4Oh7d2g=; b=Ke0P61uGNU3LRAo2j5fTavNyQnUynemxrpcSVES77H/J+HiWEqTlr4fMwZ0pgYDxWc20/l livbNMMbJXrYDtx9DA9OX2NTGc8k7BJYgOt0x5kNb29kfrOf7JENVgSGhra9inBVEwKirc d1ui740QMQVzizGRpNyVht2ywOT3cEI= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=MsBLavZG; spf=pass (imf14.hostedemail.com: domain of akpm@linux-foundation.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org; dmarc=none ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1775104546; a=rsa-sha256; cv=none; b=3/JH8U+J4fCZJClHm4cc8pEkMYLX6k+PicmBCwlZnKIfOOZHwsW0ccaAY4Nj6sG57pBlQe CHhxZ5nHowQlf3b7vNAFRNYxKHZ8z2RHcYhvD4n/qCcDSCHIGYoWnP3Ae0gXv8Z26vVf+/ O/B/8kpaLBkiMaa826BtCXW660BBUWc= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id BC37B61855; Thu, 2 Apr 2026 04:35:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FDF6C19423; Thu, 2 Apr 2026 04:35:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1775104545; bh=dyZDLpwSsmiWGdb3XAQ9uOEMQCQcXcrQwT6RziiKjgY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=MsBLavZGgHjshyBlG8mt6tKnxV58eRjuTojZ1d8BmLYcH1n3CvEag5AO02cMVTNiG qrcmaaQURV3BbbqlFFOkv7nHrtoDI0hT2GX4WND/7w9xvKnHAqiXW7ISCywcrPMXHy DzL2TZIUEBg/JDaTU3QbfSNO2UI7qhc3xxPLijIM= Date: Wed, 1 Apr 2026 21:35:44 -0700 From: Andrew Morton To: Mike Rapoport Cc: Andrea Arcangeli , Andrei Vagin , Axel Rasmussen , Baolin Wang , David Hildenbrand , Harry Yoo , Hugh Dickins , James Houghton , "Liam R. Howlett" , "Lorenzo Stoakes (Oracle)" , "Matthew Wilcox (Oracle)" , Michal Hocko , Muchun Song , Nikita Kalyazin , Oscar Salvador , Paolo Bonzini , Peter Xu , Sean Christopherson , Shuah Khan , Suren Baghdasaryan , Vlastimil Babka , kvm@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v4 00/15] mm, kvm: allow uffd support in guest_memfd Message-Id: <20260401213544.fe69a9a20e0ab052c8fa8b24@linux-foundation.org> In-Reply-To: <20260402041156.1377214-1-rppt@kernel.org> References: <20260402041156.1377214-1-rppt@kernel.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 742BB100007 X-Stat-Signature: dyfu3dwm19y6fzdp4ja4bdggu46baoc7 X-Rspam-User: X-HE-Tag: 1775104546-725268 X-HE-Meta: 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 BTDNCaP9 KRnk9eWLGnvjH13p/qCWdeu3GMWoMlzqrQlzsAayYAc6u+ER7SKJaIFfhQ3LGhCmWvpuf0352B9poYJCKvT8Zck/Fis7dYddPPxGGcrrihDGfC/CWhh4CwnukngMmt0RVH86jrDLV05JI+I4CQK2OHLHGXRmApGY/Mtq2WJ3hUDJLvmWyuxXFD11MLw2LxTCLXgEuh4yzIEgvEIEy8javrDl6IsYksakQv8VaVuDhAC6eb/CAhThj6sCVlH+aWEBm91WW1ODaX7P/2WVaSwWEjU6klv4f3fFEHhD8f8JckJUXA2wED1+shkHnWlezT5fpVCDp Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 2 Apr 2026 07:11:41 +0300 Mike Rapoport wrote: > These patches enable support for userfaultfd in guest_memfd. Thanks, I updated mm.git to this version. > v4 changes: > * fix lock leak not only in patch 4, but also in patch 2, thanks Harry And.... this resulted in no overall alteration to mm.git, which broke my very surprised script! iirc, this series was to fix a little bisection hole, so this is to be expected?