From patchwork Mon Jul 1 22:44:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Edgar E. Iglesias" X-Patchwork-Id: 1954961 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=Cku4se9W; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4WCh2v0CP1z1xqb for ; Tue, 2 Jul 2024 08:45:42 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sOPlA-0005Uz-FH; Mon, 01 Jul 2024 18:44:32 -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 1sOPl7-0005UW-L9 for qemu-devel@nongnu.org; Mon, 01 Jul 2024 18:44:30 -0400 Received: from mail-lf1-x12c.google.com ([2a00:1450:4864:20::12c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sOPl5-00031o-IF for qemu-devel@nongnu.org; Mon, 01 Jul 2024 18:44:28 -0400 Received: by mail-lf1-x12c.google.com with SMTP id 2adb3069b0e04-52cdf9f934fso3653899e87.1 for ; Mon, 01 Jul 2024 15:44:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1719873864; x=1720478664; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=P5PrX7Mf/uUnupEbVW+b7PDHyiggb6/C3MHTxe8hmSs=; b=Cku4se9W+D5Q2PcxdzbuMLbAzzip9sflmqT7e4jI8MCK+ahxdQG4xuiR7Dhv1Xh7Pi 8M3tODjic0J/koYfVnv7NHQVAJtenK8SylzCBZTYoDuSfVcVVLSS+gzOIV47DVf+QE0G Tv6xGv4wjnyXHiZ9oPZcyH1mrMj9TONjBLis06+KbX3/YkI9bd8qlKWSXU3vO4+cvY5g C3c/GcRXWewOx2pFA0s3O598NRuVUPRsYCrd9ue17wUfpbma6I7llLWPYAG+KNuTGPh3 Vip4U8X3J/aUY6SuipdzBTiTDtwUFfcXC8GqJeNtzFhVSw8KhCwAmPV52/FqxpX192hd fs5A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719873864; x=1720478664; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=P5PrX7Mf/uUnupEbVW+b7PDHyiggb6/C3MHTxe8hmSs=; b=QT5baxwp46cH65E21K/KiXWZyozwZOPqJcJQeviLhcBDusV8I37DWzFmoqgZ/FqIfx PnEN84gCdW8XQw1FKYmAYh/ha6QmbAqASNz6vxEY4lfAN4lLzRXlzrcBCVoF4ZHDtBSj 6pqn4CplU/3FK7wsyPcUskoRWrq7Xnkh+Qh/ow01aotbKlrEWUZUed9cMqaHCcIqngHj mxM9AvYWqSUa02AjDfTk+xYJy78Z9RtNAcvAEjqW+wQkONB4ut+se4E/ufHxWt8EOVTF fwqz3Z/kJsDgjjYJHZNbqZ/ZKeRydUXqRruDR/pJBJnihCEeOt+1m4HjUONKeS/RttMr Bgkw== X-Gm-Message-State: AOJu0YxPKkwYscf3ZLx7ruxaaWSv5HXW91xK0ERyjKcWOBWzVlArk5j1 MaoSAYlzawxuHIy94AJrKbjfwpDfayxfaJ73Vro140uxigH057pI33muX1Aq X-Google-Smtp-Source: AGHT+IGCO1KLkxlsTsh8WUidlGFP1OF4KX+DPy6pH829DSJkzsU8858klanFcWRr8vEYi1+YHzFmuQ== X-Received: by 2002:a05:6512:2315:b0:52c:db75:9640 with SMTP id 2adb3069b0e04-52e82701721mr4566344e87.48.1719873864067; Mon, 01 Jul 2024 15:44:24 -0700 (PDT) Received: from gmail.com (213-67-3-247-no600.tbcn.telia.com. [213.67.3.247]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-52e7ab3b154sm1590903e87.259.2024.07.01.15.44.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Jul 2024 15:44:23 -0700 (PDT) From: "Edgar E. Iglesias" To: qemu-devel@nongnu.org Cc: sstabellini@kernel.org, anthony@xenproject.org, paul@xen.org, edgar.iglesias@amd.com, xen-devel@lists.xenproject.org Subject: [PATCH v1 0/2] xen: mapcache: Fix unmapping of first the entry in a bucket Date: Tue, 2 Jul 2024 00:44:19 +0200 Message-ID: <20240701224421.1432654-1-edgar.iglesias@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::12c; envelope-from=edgar.iglesias@gmail.com; helo=mail-lf1-x12c.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: "Edgar E. Iglesias" This fixes the unmapping of the first mapping in a bucket of a mapcache. We also add error handling to qemu_ram_block_from_host() to bail out when xen_ram_addr_from_mapcache() doesn't find an existing mapping. Cheers, Edgar Edgar E. Iglesias (2): physmem: Bail out qemu_ram_block_from_host() for invalid ram addrs xen: mapcache: Fix unmapping of first entries in buckets hw/xen/xen-mapcache.c | 12 +++++++++++- system/physmem.c | 4 ++++ 2 files changed, 15 insertions(+), 1 deletion(-)