From patchwork Fri May 31 15:10:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michal Privoznik X-Patchwork-Id: 13681819 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 5CBBAC25B75 for ; Fri, 31 May 2024 15:11:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sD3uP-000072-RU; Fri, 31 May 2024 11:11:09 -0400 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 1sD3uI-00005S-UU for qemu-devel@nongnu.org; Fri, 31 May 2024 11:11:04 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sD3uD-0005WY-M9 for qemu-devel@nongnu.org; Fri, 31 May 2024 11:10:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1717168251; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=K4oEwtUX0pMFdgjjI7HtiL04Z8IgZg383kucjqMhKJk=; b=FUJEwVjDkRZjdnjt6ami09ICdbz4XOBsizvcCBij7XeJXjHCVmvyZQx1awfFtgyq0omres BK5sqrAwQP3DTGg9GAb4MJ/9AonraVuYmMCrFr7NgicnbsGB8O7p0aR1TLgSi+w1nUz9XV 0N95qiTkHp9nD/vHgyFJqWlIrbtft1I= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-102-oPiUVEzGPWiXpBRRMf0cNA-1; Fri, 31 May 2024 11:10:49 -0400 X-MC-Unique: oPiUVEzGPWiXpBRRMf0cNA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8A4E9185A780 for ; Fri, 31 May 2024 15:10:49 +0000 (UTC) Received: from maggie.brq.redhat.com (unknown [10.43.3.102]) by smtp.corp.redhat.com (Postfix) with ESMTP id 364BC3C27 for ; Fri, 31 May 2024 15:10:49 +0000 (UTC) From: Michal Privoznik To: qemu-devel@nongnu.org Subject: [PATCH v3 0/4] backends/hostmem: Report more errors on failures Date: Fri, 31 May 2024 17:10:43 +0200 Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.133.124; envelope-from=mprivozn@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.085, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org v3 of: diff to v2: - In 1/4 I've reworked setting errno because of how posix_madvise() behaves on Darwin, - In 4/4 I'm now using size_to_str() to print the page size, oh, and the error message now contains the backend name too. Michal Privoznik (4): osdep: Make qemu_madvise() to set errno in all cases osdep: Make qemu_madvise() return ENOSYS on unsupported OSes backends/hostmem: Report error on qemu_madvise() failures backends/hostmem: Report error when memory size is unaligned backends/hostmem.c | 46 ++++++++++++++++++++++++++++++++++++++-------- util/osdep.c | 16 ++++++++++++++-- 2 files changed, 52 insertions(+), 10 deletions(-)