From nobody Thu Nov 20 14:05:12 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1763573433; cv=none; d=zohomail.com; s=zohoarc; b=ZQYEFaiTglJwHftPHUwuAh2yQeuHWBjBu5irSoZj8h49IpcIx2VGZHpUMHf6wzk45p1kOc212qk+6Wmlk7mSI6GOhN+PpL/gXIDaTrpcYn90syTjF4SLTszzaGU1wHgZKyNQQHHW+Gg03m9j8tKyjLIREZC4PFS87RcUfUDV150= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1763573433; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=ZCO99HltQYka+mV4Zl2jwDQO4MyhCZa7p2lWRxsiyeA=; b=Nj2TqGyXcj5OVMQubwPcihKphcd4qwwqNaguJrb4uqPxtg5VJ4WTVRZ8gHc3AvK8fsxtUXZ9hCaLzDUU8dKycfprEhtWagjPwSgBIHbykTr0mEbhAwontlsPk56LEi05ub03upJ2dGppYlADIuLPtfKWwMfsBthzohH/SiyvXv0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 176357343355891.18289771705611; Wed, 19 Nov 2025 09:30:33 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vLlzx-00033k-V1; Wed, 19 Nov 2025 12:29:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vLlzn-00031S-PE for qemu-devel@nongnu.org; Wed, 19 Nov 2025 12:29:34 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vLlzl-0004Pf-MK for qemu-devel@nongnu.org; Wed, 19 Nov 2025 12:29:30 -0500 Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-645-bs9vcGruNr208jAqxS782Q-1; Wed, 19 Nov 2025 12:29:27 -0500 Received: by mail-qk1-f197.google.com with SMTP id af79cd13be357-8b26bc4984bso1317420185a.1 for ; Wed, 19 Nov 2025 09:29:24 -0800 (PST) Received: from x1.com ([142.188.210.156]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8b2af042c9csm1444759485a.46.2025.11.19.09.29.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Nov 2025 09:29:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1763573368; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ZCO99HltQYka+mV4Zl2jwDQO4MyhCZa7p2lWRxsiyeA=; b=dYgE3Pf76K/10qBKiWae9LGhSzcq1v4XeEyuXi9PmiCtVrELJCu6ahcJcv/gUPmbkrt+4t D1PeGlBHvtPbWW76XX5lk4g/c19d7TypIHbkBFzyjTJLqFhit59InQhBW3MVlalN3UhPXt l85pf0t9dUfrBGcX0BhxeWkCucwp2Pg= X-MC-Unique: bs9vcGruNr208jAqxS782Q-1 X-Mimecast-MFC-AGG-ID: bs9vcGruNr208jAqxS782Q_1763573364 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1763573363; x=1764178163; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ZCO99HltQYka+mV4Zl2jwDQO4MyhCZa7p2lWRxsiyeA=; b=Pq1bEFUDldCblrb2bb5DN7kpNxG0DpEgW9P3CIbBq27CsRh90/mD8Y4O+alxYXRljs KRfM59cWELSV3QovjEJx3UWbBwtseyoPZO4Qc5S4wnJgrURPFT7nH7fqpev+XS/yFihL rgZK5I6pLBc9VebNOZKazrgZwDVk6OZt6RTZg9sBMaVaUgVpXGVQ8c0b6cXUR+06HHBr 6Oi7Qni5A5mZe/gn0Al8OR+lwZGgXzU7qnJMyMF2yyYVdumSo14/+bTyU3cJQMpTm7w6 0NpNPnPuVtNFH2RICtZCwJmUGZXE0Q9o++zaOqbOVA3jA8JMjLiRMH1eGhUkmNpgwURO dg2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763573363; x=1764178163; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=ZCO99HltQYka+mV4Zl2jwDQO4MyhCZa7p2lWRxsiyeA=; b=C27CKZa0p+zMeJt3x5Y6gSo8iEWtzQ2OiDXJ+o3rK2BBBmearbryrY/eQX13V664nc 1+kzKmHP1RIq1wFcBpcBoYz+1nN/blERrfEEI/SlvK8x4TP3t0NzoCC0zI9ZqbA9iOfZ i/fhonq+IdztJgTkyq0HwTd7ZqkMh55SWMlBdKYBXPfWugB/Cji8VdaZm51we/aeUD65 mbIoNpGdNmyHnSzLxIE1EMGxbT7lz81W2ETjjzWBDpkG2sq1T2nzhDWONcwZCaY5WQMQ BAEM2AmyYmyX3JRsBmZqdG4WOgT5k+D4tkYRrE1iTjjJFzWDcb42t4Ud4XhSR2wEN14j F/Yw== X-Gm-Message-State: AOJu0YxzdZxLGT0fRBJkCWRhWzxr9VZcsBmSTqHY8OiRZr7cRvzQca0R LOZUY+CpcdNMOWeH8ivSlzWyzU2F1G2UKspcihMRoGqdL+u5M/Wg7ET17sDwoF7HfsCvJiWPs98 0h3P3/HHSYKoU8x9ooSFiE30fHDvZVJdWIuqmtAWNn60P9sEnxE1Uf6YMt3yhLOdlrynVpa5FIP z2KdB3hMpXgvHlVJPBhUXglGXLutMW35PS0civHg== X-Gm-Gg: ASbGnctVjR5cSG7yN3jjSsA/yxGVGqsD6X6+rbOII9361WAqaNHkyR/QIAbvWb/7cSw ZZC7gZrf7vwHpelp2XWUXaJRaAFO9M2b7eN3OoDcqVwch+vmEBfFmHX2P28yl5FmIvfP2X3qGlE C+zcuf0l11YCyISWge3jm4SR3fzJuCjAScpZeuaH0k3cGhepvRVCxf6UkXl9+pw/Mrx7ePHue6+ TTCuV8A1ZOjEhI/JFOjpn0cFp/aCd5L2t9VQPO1fCFI3PwqQkNL5+FDXpnweDvB24++KdmAwlE1 ocA/uG2LQNEXwlxNPnW4tF/q98Oac3Hme0/DmKp4dvKIn9fVJRiCDGIdOJipHZiN4JcvCSOsR4j t X-Received: by 2002:a05:620a:191c:b0:8b2:6251:64f9 with SMTP id af79cd13be357-8b32737594emr22731985a.58.1763573363463; Wed, 19 Nov 2025 09:29:23 -0800 (PST) X-Google-Smtp-Source: AGHT+IHaLfiXPwF0B+4rN0sSmDRr8joTXvVQMV5x3HZejv2uLMsMQj1cWNvdnmWxsEd6YDXvOAa5ew== X-Received: by 2002:a05:620a:191c:b0:8b2:6251:64f9 with SMTP id af79cd13be357-8b32737594emr22725985a.58.1763573362757; Wed, 19 Nov 2025 09:29:22 -0800 (PST) From: Peter Xu To: qemu-devel@nongnu.org Cc: Paolo Bonzini , David Hildenbrand , Alexey Kardashevskiy , peterx@redhat.com, Chenyi Qiang , Juraj Marcin , Li Xiaoyao , Fabiano Rosas Subject: [PATCH v2 6/9] hostmem: Rename guest_memfd to guest_memfd_private Date: Wed, 19 Nov 2025 12:29:10 -0500 Message-ID: <20251119172913.577392-7-peterx@redhat.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20251119172913.577392-1-peterx@redhat.com> References: <20251119172913.577392-1-peterx@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1763573434978018900 Content-Type: text/plain; charset="utf-8" Rename the HostMemoryBackend.guest_memfd field to reflect what it really means, on whether it needs guest_memfd to back its private portion of mapping. This will help on clearance when we introduce in-place guest_memfd for hostmem. Signed-off-by: Peter Xu --- include/system/hostmem.h | 2 +- backends/hostmem-file.c | 2 +- backends/hostmem-memfd.c | 2 +- backends/hostmem-ram.c | 2 +- backends/hostmem-shm.c | 2 +- backends/hostmem.c | 2 +- 6 files changed, 6 insertions(+), 6 deletions(-) diff --git a/include/system/hostmem.h b/include/system/hostmem.h index 88fa791ac7..dcbf81aeae 100644 --- a/include/system/hostmem.h +++ b/include/system/hostmem.h @@ -76,7 +76,7 @@ struct HostMemoryBackend { uint64_t size; bool merge, dump, use_canonical_path; bool prealloc, is_mapped, share, reserve; - bool guest_memfd, aligned; + bool guest_memfd_private, aligned; uint32_t prealloc_threads; ThreadContext *prealloc_context; DECLARE_BITMAP(host_nodes, MAX_NODES + 1); diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c index 1f20cd8fd6..0e4cfd6dc6 100644 --- a/backends/hostmem-file.c +++ b/backends/hostmem-file.c @@ -86,7 +86,7 @@ file_backend_memory_alloc(HostMemoryBackend *backend, Err= or **errp) ram_flags |=3D fb->readonly ? RAM_READONLY_FD : 0; ram_flags |=3D fb->rom =3D=3D ON_OFF_AUTO_ON ? RAM_READONLY : 0; ram_flags |=3D backend->reserve ? 0 : RAM_NORESERVE; - ram_flags |=3D backend->guest_memfd ? RAM_GUEST_MEMFD_PRIVATE : 0; + ram_flags |=3D backend->guest_memfd_private ? RAM_GUEST_MEMFD_PRIVATE = : 0; ram_flags |=3D fb->is_pmem ? RAM_PMEM : 0; ram_flags |=3D RAM_NAMED_FILE; return memory_region_init_ram_from_file(&backend->mr, OBJECT(backend),= name, diff --git a/backends/hostmem-memfd.c b/backends/hostmem-memfd.c index 3f3e485709..ea93f034e4 100644 --- a/backends/hostmem-memfd.c +++ b/backends/hostmem-memfd.c @@ -60,7 +60,7 @@ have_fd: backend->aligned =3D true; ram_flags =3D backend->share ? RAM_SHARED : RAM_PRIVATE; ram_flags |=3D backend->reserve ? 0 : RAM_NORESERVE; - ram_flags |=3D backend->guest_memfd ? RAM_GUEST_MEMFD_PRIVATE : 0; + ram_flags |=3D backend->guest_memfd_private ? RAM_GUEST_MEMFD_PRIVATE = : 0; return memory_region_init_ram_from_fd(&backend->mr, OBJECT(backend), n= ame, backend->size, ram_flags, fd, 0,= errp); } diff --git a/backends/hostmem-ram.c b/backends/hostmem-ram.c index 96ad29112d..6a507fad77 100644 --- a/backends/hostmem-ram.c +++ b/backends/hostmem-ram.c @@ -30,7 +30,7 @@ ram_backend_memory_alloc(HostMemoryBackend *backend, Erro= r **errp) name =3D host_memory_backend_get_name(backend); ram_flags =3D backend->share ? RAM_SHARED : RAM_PRIVATE; ram_flags |=3D backend->reserve ? 0 : RAM_NORESERVE; - ram_flags |=3D backend->guest_memfd ? RAM_GUEST_MEMFD_PRIVATE : 0; + ram_flags |=3D backend->guest_memfd_private ? RAM_GUEST_MEMFD_PRIVATE = : 0; return memory_region_init_ram_flags_nomigrate(&backend->mr, OBJECT(bac= kend), name, backend->size, ram_flags, errp); diff --git a/backends/hostmem-shm.c b/backends/hostmem-shm.c index e86fb2e0aa..4766db6aad 100644 --- a/backends/hostmem-shm.c +++ b/backends/hostmem-shm.c @@ -54,7 +54,7 @@ have_fd: /* Let's do the same as memory-backend-ram,share=3Don would do. */ ram_flags =3D RAM_SHARED; ram_flags |=3D backend->reserve ? 0 : RAM_NORESERVE; - ram_flags |=3D backend->guest_memfd ? RAM_GUEST_MEMFD_PRIVATE : 0; + ram_flags |=3D backend->guest_memfd_private ? RAM_GUEST_MEMFD_PRIVATE = : 0; =20 return memory_region_init_ram_from_fd(&backend->mr, OBJECT(backend), backend_name, backend->size, diff --git a/backends/hostmem.c b/backends/hostmem.c index 35734d6f4d..70450733db 100644 --- a/backends/hostmem.c +++ b/backends/hostmem.c @@ -288,7 +288,7 @@ static void host_memory_backend_init(Object *obj) /* TODO: convert access to globals to compat properties */ backend->merge =3D machine_mem_merge(machine); backend->dump =3D machine_dump_guest_core(machine); - backend->guest_memfd =3D machine_require_guest_memfd(machine); + backend->guest_memfd_private =3D machine_require_guest_memfd(machine); backend->reserve =3D true; backend->prealloc_threads =3D machine->smp.cpus; } --=20 2.50.1