From patchwork Thu Sep 21 20:14:33 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Isaku Yamahata X-Patchwork-Id: 13394560 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E05E3E7D0A2 for ; Thu, 21 Sep 2023 20:41:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232218AbjIUUlO (ORCPT ); Thu, 21 Sep 2023 16:41:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232037AbjIUUlD (ORCPT ); Thu, 21 Sep 2023 16:41:03 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 184B526B6; Thu, 21 Sep 2023 13:14:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695327286; x=1726863286; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=uUCSLp/kd/xQmu6AYVH2w6xDmJBkRdaL5zkVvNRUtpE=; b=G0qelphJrhk5QH+VHZuifkUQPKf6mbNVaIZb7Hji7rOaSxFhTUqn57Fq R0JVXDBIeYH/00um5ed92sGVTi9RUkWC8LT7ApAQRUOcTL6bMnzoX+YU4 oGksFPFcraqlRMtZtUKi4b0fSJ2lny2Vb8+hhBjD6lwaeIZvbYXQadL+2 iVe6FN7cY0ZvQ0H7rRBIYF16YFj2pDTk/lx/quD4X2USUR1hL5enAzG6U 78X3IjDo3T9Xk2lI+BkQwpQFroeINLHBCuwSNHCP4k0T63xILOdOYGPWM hUyr7V21yUFlZHNT5r3pKWJ/GGQdX/emx3ZHYuhaiMitvmsDH9OFWOrpK g==; X-IronPort-AV: E=McAfee;i="6600,9927,10840"; a="383401581" X-IronPort-AV: E=Sophos;i="6.03,166,1694761200"; d="scan'208";a="383401581" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Sep 2023 13:14:45 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10840"; a="696897775" X-IronPort-AV: E=Sophos;i="6.03,166,1694761200"; d="scan'208";a="696897775" Received: from ls.sc.intel.com (HELO localhost) ([172.25.112.31]) by orsmga003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Sep 2023 13:14:44 -0700 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Michael Roth , Paolo Bonzini , Sean Christopherson , erdemaktas@google.com, Sagi Shahar , David Matlack , Kai Huang , Zhi Wang , chen.bo@intel.com, linux-coco@lists.linux.dev, Chao Peng , Ackerley Tng , Vishal Annapurve , Yuan Yao , Jarkko Sakkinen , Xu Yilun , Quentin Perret , wei.w.wang@intel.com, Fuad Tabba Subject: [RFC PATCH v2 0/6] KVM: gmem: Implement test cases for error_remove_page Date: Thu, 21 Sep 2023 13:14:33 -0700 Message-Id: X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Mailer: git-send-email 2.25.1 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Isaku Yamahata This patch series is to implement test cases for the KVM gmem error_remove_page method. - Update punch hole method to truncate pages - Add a new ioctl KVM_GUEST_MEMORY_FAILURE to inject memory failure on offset of gmem TODO: - Update TDX KVM to handle it and Add test cases for TDX. This will be done by its own patch series. Changes: v2: - rebased to [RFC PATCH v12 00/33] KVM: guest_memfd() and per-page attributes https://lore.kernel.org/all/20230914015531.1419405-1-seanjc@google.com/ - introduce new ioctl to inject memory fault on gmem and drop FIBMAP hack - Implement test cases v1: https://lore.kernel.org/all/cover.1694599703.git.isaku.yamahata@intel.com/ Isaku Yamahata (6): KVM: gmem: Truncate pages on punch hole KVM: selftests: Add negative test cases for punch hole for guest_memfd() KVM: selftests: Add tests for punch hole on guest_memfd KVM: gmem: Add ioctl to inject memory failure on guest memfd KVM: selftests: Add test cases for KVM_GUEST_MEMORY_FAILURE KVM: guest_memfd: selftest: Add test case for error_remove_page method include/uapi/linux/kvm.h | 6 + tools/testing/selftests/kvm/Makefile | 1 + .../testing/selftests/kvm/guest_memfd_test.c | 80 ++++ .../kvm/x86_64/private_mem_conversions_test.c | 26 +- .../kvm/x86_64/private_mem_hwpoison_test.c | 367 ++++++++++++++++++ virt/kvm/guest_mem.c | 82 +++- 6 files changed, 554 insertions(+), 8 deletions(-) create mode 100644 tools/testing/selftests/kvm/x86_64/private_mem_hwpoison_test.c base-commit: 42dc814987c1feb6410904e58cfd4c36c4146150 prerequisite-patch-id: 3c646922da088ceebe447974a90217f377b76e4a prerequisite-patch-id: 635c4dca26af8d105a4fd8f603e4a9cf830395c7 prerequisite-patch-id: eede5382aa76c0602a853fc93a1450995c651345 prerequisite-patch-id: 5549aad02248eb5a0c2853058dc7c102044c7a9d prerequisite-patch-id: ab6557f79edb77246ee1e9955be81a10841e65fd prerequisite-patch-id: bf75388851ee37a83b37bfa7cb0084f27301f6bc prerequisite-patch-id: cecffe9a2445f2ea01b9fdb1356b1c87eb6b8fe7 prerequisite-patch-id: e1692d657690f974d836ba3efdd277ea82e675ca prerequisite-patch-id: 747debe72334ef0cd12bbb42d1acb281eb59cd98 prerequisite-patch-id: 2d1df1bad8af51577ec15a37510ea8bf018b0d4f prerequisite-patch-id: d05f7429ca893fe0fe3beb460bba1400379cd0d1 prerequisite-patch-id: 9916b6553a61beb9a5435bc0b1fcacf0a87165ea prerequisite-patch-id: 313219882d617e4d4cb226760d1f071f52b3f882 prerequisite-patch-id: 5412c4037793bc0999377f9732290b9944257b7c prerequisite-patch-id: b737a534d8da531f6d030be5e864a3097ca97384 prerequisite-patch-id: cafe1f6964532d261b950e1879e091dc8c0b4386 prerequisite-patch-id: 20a5d5b1f853828061ccb07ed08459b9922e5214 prerequisite-patch-id: 756402fa0914a86ac7db59aa54e36a7bca9d0770 prerequisite-patch-id: 0e93d19cb59f3a052a377a56ff0a4399046818aa prerequisite-patch-id: 8576bf7ec9f786870e72b78299dcab5dd4eb0d23 prerequisite-patch-id: 0693f3aa65226ff9ffa1f70b6f6da2410ebd0588 prerequisite-patch-id: 301dbdf8448175ea609664c890a3694750ecf740 prerequisite-patch-id: 8f67d4366ca5c9875c4ef7f445941e3ad3162c75 prerequisite-patch-id: 2d62d84b4f9db4148af35495ce1b188c6b46f421 prerequisite-patch-id: b4526dee5b5a95da0a13116ae0c73d4e69efa3c6 prerequisite-patch-id: 8a2b4167ea632413ba8f6d39788ddf19eb928ab0 prerequisite-patch-id: 5618d2414a1ef641b4c247b5e28076f67a765b24 prerequisite-patch-id: 4415e2df6492fbb64746e3503deba6e991a0e08b prerequisite-patch-id: ba50138fe73e9a5f58e19eebaab2c17a2dc231e3 prerequisite-patch-id: 1225df90aeae430a74354bc5ad0ddf508d0707db prerequisite-patch-id: 4c0e6ab89b9a3ed3a2cb236e942b5842926bf868 prerequisite-patch-id: 59f78d417ca58088e336f8e2a9540d1c95bd2f6c prerequisite-patch-id: b6a6a8916fe89e7da1fadefb7d311960732e0faf