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 X-Spam-Level: X-Spam-Status: No, score=-1.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, UPPERCASE_50_75,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ED003C4321D for ; Fri, 17 Aug 2018 22:27:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7B9042199E for ; Fri, 17 Aug 2018 22:27:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="E32UGrgX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7B9042199E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=roeck-us.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727863AbeHRBcr (ORCPT ); Fri, 17 Aug 2018 21:32:47 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:43427 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726712AbeHRBcr (ORCPT ); Fri, 17 Aug 2018 21:32:47 -0400 Received: by mail-pf1-f194.google.com with SMTP id j26-v6so4059383pfi.10 for ; Fri, 17 Aug 2018 15:27:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=VFfDhWbVS5e+GcXg/1QosHbwhqNZCPItRpza38XzhM8=; b=E32UGrgXUHQIx4Aac/EXl8xN/bX5qhoXeDMIOHBCzPTcx16JAWmq7Ib3qGDnFKbVUg rkCa4MSxYlJZ/PP1JKty4LYg/Ce4Pg9r64sAxyUTMdMDj5ztJYJpyqrWgX1i9ILexzih gPfdlvnMBxt4tuivS9FkCB3Qb3K7qThoSE5cmHs5sXZ5qsxNzLPji4BHnnqDy+0amSuM 9YiSipurJAH7IZBcEI5XC600Sa1O0zH7i/Ycr+9r+GKiIsBaqqXSojM6298QnEJedme2 pbBopFuoDHkuygf/kKMiC6VN5CpWgEp6i0JqDKIhCaBCCcamYb5Qlv9OnA9cXpQZJqL8 semg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :mime-version:content-disposition:user-agent; bh=VFfDhWbVS5e+GcXg/1QosHbwhqNZCPItRpza38XzhM8=; b=niEjm2iyWyMbc+GKAzCbL07sgO4v26/c1FRAnFnJ3aK4FoezMDhnsSKfb1jhVZHLqI pYZoLno8vYOGmI3aMpKkxZ26xKeojKuETY4sLsS2HAt286WRqTG9Rkolx5xfBxsiVnRu y4GrCSIBhe43qrqJExBXQ8KgTaXtEIe1jJCZ/B9ClUBsSKXCzyb1GcE9ZowxVckyp6MD YS+ChXvVhNHN4Agd0q9+sG0kzXeKF7kfxDAafjPvIfI2BKuedDWilFYt6iUokSoT4zJx wDNf02U6o/CfB0ER8hv0Xbz3b4i3dFOlleqDN76VhYQn4Jq9sJ2+qqMGwmD+AH1H1p5p 0dGA== X-Gm-Message-State: AOUpUlFo8t11AfdK0UbW2IiIgtzrk5THuxhZWLLS8txmvFcLBYHPDzN7 sBijXp3Bwa1sLJfSiTKVyLqSrz9o X-Google-Smtp-Source: AA+uWPxTjT8X/fo646OhOhttYqcnb12+qPdciIZJOZzZCkAMw2OThjVbn02CS3kwfkfmej7Qrk0liw== X-Received: by 2002:a62:c288:: with SMTP id w8-v6mr38159190pfk.92.1534544855431; Fri, 17 Aug 2018 15:27:35 -0700 (PDT) Received: from localhost (108-223-40-66.lightspeed.sntcca.sbcglobal.net. [108.223.40.66]) by smtp.gmail.com with ESMTPSA id a77-v6sm6290687pfj.38.2018.08.17.15.27.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 17 Aug 2018 15:27:34 -0700 (PDT) Date: Fri, 17 Aug 2018 15:27:33 -0700 From: Guenter Roeck To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , Linus Torvalds , Andi Kleen , Thomas Gleixner , Josh Poimboeuf , Dave Hansen , David Woodhouse , x86@kernel.org, dvyukov@google.com, hughd@google.com, "Kirill A. Shutemov" , Andrea Arcangeli Subject: Crash in MM code in v4.4.y, v4.9.y with TRANSPARENT_HUGEPAGE enabled Message-ID: <20180817222733.GA18575@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, the following crash is seen in v4.4.148, v4.4.149, v4.9.120, and v4.9.121 with CONFIG_TRANSPARENT_HUGEPAGE=y, CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y. [ 6.649970] random: crng init done [ 6.689002] BUG: unable to handle kernel paging request at ffffeafffa1a0020 [ 6.689082] IP: [] page_remove_rmap+0x10/0x230 [ 6.689082] PGD 0 [ 6.689082] [ 6.689082] Oops: 0000 [#1] SMP [ 6.689082] Modules linked in: [ 6.689082] CPU: 3 PID: 1132 Comm: mmtest Not tainted 4.9.121 #16 [ 6.689082] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.11.1-0-g0551a4be2c-prebuilt.qemu-project.org 04/01/204 [ 6.689082] task: ffff88017a558c40 task.stack: ffffc900007a8000 [ 6.689082] RIP: 0010:[] [] page_remove_rmap+0x10/0x230 [ 6.689082] RSP: 0018:ffffc900007abc18 EFLAGS: 00000296 [ 6.689082] RAX: ffffea0005e58000 RBX: ffffeafffa1a0000 RCX: 0000000020200000 [ 6.689082] RDX: 00003fffffe00000 RSI: 0000000000000001 RDI: ffffeafffa1a0000 [ 6.689082] RBP: ffffc900007abc38 R08: 0000000000000000 R09: 0000000020800000 [ 6.689082] R10: ffffea0005e51ec0 R11: 0000000000000000 R12: ffffeafffa1a0000 [ 6.689082] R13: ffffc900007abdc0 R14: ffff880179426808 R15: ffffc900007abdc0 [ 6.689082] FS: 0000000000000000(0000) GS:ffff88017fd80000(0000) knlGS:0000000000000000 [ 6.689082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.689082] CR2: ffffeafffa1a0020 CR3: 000000017a3f8000 CR4: 0000000000340670 [ 6.689082] Stack: [ 6.689082] ffffffff81138517 ffffea0005e50980 ffffeafffa1a0000 ffffc900007abdc0 [ 6.689082] ffffc900007abc68 ffffffff8118d52c ffff880179426808 0000000020200000 [ 6.689082] ffffc900007abdc0 ffffc900007abdc0 ffffc900007abd40 ffffffff8115e270 [ 6.689082] Call Trace: [ 6.689082] [] ? __alloc_pages_nodemask+0xd7/0x210 [ 6.689082] [] zap_huge_pmd+0xec/0x2a0 [ 6.689082] [] unmap_page_range+0x7d0/0x8d0 [ 6.689082] [] unmap_single_vma+0x54/0xd0 [ 6.689082] [] unmap_vmas+0x4c/0xa0 [ 6.689082] [] exit_mmap+0xa7/0x130 [ 6.689082] [] ? __khugepaged_exit+0x6f/0x100 [ 6.689082] [] mmput+0x38/0x100 [ 6.689082] [] do_exit+0x25c/0xb10 [ 6.689082] [] do_group_exit+0x3e/0xa0 [ 6.689082] [] SyS_exit_group+0xf/0x10 [ 6.689082] [] do_syscall_64+0x5c/0xc0 [ 6.689082] [] entry_SYSCALL_64_after_swapgs+0x58/0xc6 [ 6.689082] Code: 77 ff ff ff eb b8 be 13 00 00 00 4c 89 e7 e8 d8 40 fe ff 48 63 d3 eb b3 0f 1f 00 55 48 89 e5 41 55 41 54 53 48 [ 6.689082] RIP [] page_remove_rmap+0x10/0x230 [ 6.689082] RSP [ 6.689082] CR2: ffffeafffa1a0020 [ 6.689082] ---[ end trace 62ac9ace190510cd ]--- [ 6.689082] Fixing recursive fault but reboot is needed! A test program to trigger the crash is attached, as are bisect results and some additional information. Upstream commit 19f5c49bbc3 ("x86/speculation/l1tf: Exempt zeroed PTEs from inversion") does not fix the problem. Many thanks to the syzcaller team for finding the problem and for providing a reproducer. Any help to track down the problem would be appreciated. This is out of my league. Thanks, Guenter --- #define _GNU_SOURCE #include #include #include #include #include #include #include #include int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); syscall(__NR_madvise, 0x20a93000, 0x4000, 0xe); syscall(__NR_mremap, 0x20a96000, 0x1000, 0x800000, 3, 0x20130000); syscall(__NR_sigaltstack, 0x20341000, 0x20ef9ff8); syscall(__NR_mprotect, 0x20000000, 0x800000, 0); return 0; } --- # bad: [93e02ae4200184bab43ce29966e895826a756a37] Linux 4.9.120 # good: [8f21ecb4249a0914aea08bef1befca9019a3b44b] Linux 4.9.119 git bisect start 'v4.9.120' 'v4.9.119' # bad: [a0695af3406ae2a08184bd47a9e948fe6f9858b9] x86/KVM: Warn user if KVM is loaded SMT and L1TF CPU bug being present git bisect bad a0695af3406ae2a08184bd47a9e948fe6f9858b9 # good: [1a4922e0f01d08a4789b1e17b195bc30bf234a3b] mm: x86: move _PAGE_SWP_SOFT_DIRTY from bit 7 to bit 1 git bisect good 1a4922e0f01d08a4789b1e17b195bc30bf234a3b # bad: [e0439285c628dea71517a1e77cab805d9134f898] x86/cpu: Remove the pointless CPU printout git bisect bad e0439285c628dea71517a1e77cab805d9134f898 # bad: [e3923475ebb1b503668dfdb3ba90e2ebd46931e6] x86/speculation/l1tf: Limit swap file size to MAX_PA/2 git bisect bad e3923475ebb1b503668dfdb3ba90e2ebd46931e6 # bad: [33182fe97add6e83c195e9d0f7297a6499563b52] x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation git bisect bad 33182fe97add6e83c195e9d0f7297a6499563b52 # good: [60712274887fcd4ad5eb8e01796022b6b202143c] x86/speculation/l1tf: Protect swap entries against L1TF git bisect good 60712274887fcd4ad5eb8e01796022b6b202143c # first bad commit: [33182fe97add6e83c195e9d0f7297a6499563b52] # x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation --- qemu command line: qemu-system-x86_64 \ -kernel arch/x86/boot/bzImage -M q35 -cpu Broadwell-noTSX \ -no-reboot -m 4G -smp 4 \ -drive file=rootfs.ext2.l1tf,format=raw,if=ide \ -nographic -monitor none \ --append "root=/dev/sda rw console=ttyS0 console=tty" CPU and machine don't really matter. I'll be happy to provide the root file system if needed. --- Configuration file: # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y CONFIG_AUDIT=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_TASKSTATS=y CONFIG_TASK_DELAY_ACCT=y CONFIG_TASK_XACCT=y CONFIG_TASK_IO_ACCOUNTING=y CONFIG_LOG_BUF_SHIFT=18 CONFIG_CGROUPS=y CONFIG_CGROUP_SCHED=y CONFIG_CGROUP_FREEZER=y CONFIG_CPUSETS=y CONFIG_CGROUP_CPUACCT=y CONFIG_BLK_DEV_INITRD=y # CONFIG_COMPAT_BRK is not set CONFIG_PROFILING=y CONFIG_KPROBES=y CONFIG_JUMP_LABEL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_PARTITION_ADVANCED=y CONFIG_OSF_PARTITION=y CONFIG_AMIGA_PARTITION=y CONFIG_MAC_PARTITION=y CONFIG_BSD_DISKLABEL=y CONFIG_MINIX_SUBPARTITION=y CONFIG_SOLARIS_X86_PARTITION=y CONFIG_UNIXWARE_DISKLABEL=y CONFIG_SGI_PARTITION=y CONFIG_SUN_PARTITION=y CONFIG_KARMA_PARTITION=y CONFIG_SMP=y CONFIG_CALGARY_IOMMU=y CONFIG_SCHED_SMT=y CONFIG_PREEMPT_VOLUNTARY=y CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y CONFIG_MICROCODE_AMD=y CONFIG_X86_MSR=y CONFIG_X86_CPUID=y CONFIG_NUMA=y CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y CONFIG_X86_CHECK_BIOS_CORRUPTION=y # CONFIG_MTRR_SANITIZER is not set CONFIG_EFI=y CONFIG_HZ_1000=y CONFIG_KEXEC=y CONFIG_CRASH_DUMP=y CONFIG_HIBERNATION=y CONFIG_PM_DEBUG=y CONFIG_PM_TRACE_RTC=y CONFIG_ACPI_DOCK=y CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y CONFIG_CPU_FREQ_GOV_PERFORMANCE=y CONFIG_CPU_FREQ_GOV_ONDEMAND=y CONFIG_X86_ACPI_CPUFREQ=y CONFIG_PCI_MMCONFIG=y CONFIG_PCIEPORTBUS=y CONFIG_HOTPLUG_PCI=y CONFIG_PCCARD=y CONFIG_YENTA=y CONFIG_BINFMT_MISC=y CONFIG_IA32_EMULATION=y CONFIG_NET=y CONFIG_PACKET=y CONFIG_UNIX=y CONFIG_XFRM_USER=y CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y CONFIG_IP_MULTIPLE_TABLES=y CONFIG_IP_ROUTE_MULTIPATH=y CONFIG_IP_ROUTE_VERBOSE=y CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y CONFIG_IP_MROUTE=y CONFIG_IP_PIMSM_V1=y CONFIG_IP_PIMSM_V2=y CONFIG_SYN_COOKIES=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set # CONFIG_INET_DIAG is not set CONFIG_TCP_CONG_ADVANCED=y # CONFIG_TCP_CONG_BIC is not set # CONFIG_TCP_CONG_WESTWOOD is not set # CONFIG_TCP_CONG_HTCP is not set CONFIG_TCP_MD5SIG=y CONFIG_INET6_AH=y CONFIG_INET6_ESP=y CONFIG_NETLABEL=y CONFIG_NETFILTER=y # CONFIG_NETFILTER_ADVANCED is not set CONFIG_NF_CONNTRACK=y CONFIG_NF_CONNTRACK_FTP=y CONFIG_NF_CONNTRACK_IRC=y CONFIG_NF_CONNTRACK_SIP=y CONFIG_NF_CT_NETLINK=y CONFIG_NETFILTER_XT_TARGET_CONNSECMARK=y CONFIG_NETFILTER_XT_TARGET_NFLOG=y CONFIG_NETFILTER_XT_TARGET_SECMARK=y CONFIG_NETFILTER_XT_TARGET_TCPMSS=y CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y CONFIG_NETFILTER_XT_MATCH_POLICY=y CONFIG_NETFILTER_XT_MATCH_STATE=y CONFIG_NF_CONNTRACK_IPV4=y CONFIG_IP_NF_IPTABLES=y CONFIG_IP_NF_FILTER=y CONFIG_IP_NF_TARGET_REJECT=y CONFIG_IP_NF_MANGLE=y CONFIG_NF_CONNTRACK_IPV6=y CONFIG_IP6_NF_IPTABLES=y CONFIG_IP6_NF_MATCH_IPV6HEADER=y CONFIG_IP6_NF_FILTER=y CONFIG_IP6_NF_TARGET_REJECT=y CONFIG_IP6_NF_MANGLE=y CONFIG_NET_SCHED=y CONFIG_NET_EMATCH=y CONFIG_NET_CLS_ACT=y CONFIG_HAMRADIO=y CONFIG_CFG80211=y CONFIG_MAC80211=y CONFIG_MAC80211_LEDS=y CONFIG_RFKILL=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_DEBUG_DEVRES=y CONFIG_CONNECTOR=y CONFIG_BLK_DEV_LOOP=y CONFIG_VIRTIO_BLK=y CONFIG_BLK_DEV_NVME=y CONFIG_BLK_DEV_SD=y CONFIG_BLK_DEV_SR=y CONFIG_BLK_DEV_SR_VENDOR=y CONFIG_CHR_DEV_SG=y CONFIG_SCSI_CONSTANTS=y CONFIG_MEGARAID_SAS=y CONFIG_SCSI_SYM53C8XX_2=y CONFIG_SCSI_DC395x=y CONFIG_SCSI_AM53C974=y CONFIG_SCSI_VIRTIO=y CONFIG_ATA=y CONFIG_SATA_AHCI=y CONFIG_ATA_PIIX=y CONFIG_PATA_AMD=y CONFIG_PATA_OLDPIIX=y CONFIG_PATA_SCH=y CONFIG_MD=y CONFIG_BLK_DEV_MD=y CONFIG_BLK_DEV_DM=y CONFIG_DM_MIRROR=y CONFIG_DM_ZERO=y CONFIG_FUSION=y CONFIG_FUSION_SAS=y CONFIG_MACINTOSH_DRIVERS=y CONFIG_MAC_EMUMOUSEBTN=y CONFIG_NETDEVICES=y CONFIG_NETCONSOLE=y CONFIG_TIGON3=y CONFIG_NET_TULIP=y CONFIG_E100=y CONFIG_E1000=y CONFIG_E1000E=y CONFIG_SKY2=y CONFIG_FORCEDETH=y CONFIG_8139TOO=y CONFIG_FDDI=y CONFIG_INPUT_POLLDEV=y # CONFIG_INPUT_MOUSEDEV_PSAUX is not set CONFIG_INPUT_EVDEV=y CONFIG_INPUT_JOYSTICK=y CONFIG_INPUT_TABLET=y CONFIG_INPUT_TOUCHSCREEN=y CONFIG_INPUT_MISC=y # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_NONSTANDARD=y CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y CONFIG_SERIAL_8250_NR_UARTS=32 CONFIG_SERIAL_8250_EXTENDED=y CONFIG_SERIAL_8250_MANY_PORTS=y CONFIG_SERIAL_8250_SHARE_IRQ=y CONFIG_SERIAL_8250_DETECT_IRQ=y CONFIG_SERIAL_8250_RSA=y CONFIG_HW_RANDOM=y # CONFIG_HW_RANDOM_INTEL is not set # CONFIG_HW_RANDOM_AMD is not set CONFIG_NVRAM=y CONFIG_HPET=y # CONFIG_HPET_MMAP is not set CONFIG_I2C_I801=y CONFIG_WATCHDOG=y CONFIG_AGP=y CONFIG_AGP_AMD64=y CONFIG_AGP_INTEL=y CONFIG_DRM=y CONFIG_DRM_I915=y CONFIG_FB_MODE_HELPERS=y CONFIG_FB_TILEBLITTING=y CONFIG_FB_EFI=y # CONFIG_LCD_CLASS_DEVICE is not set CONFIG_VGACON_SOFT_SCROLLBACK=y CONFIG_LOGO=y # CONFIG_LOGO_LINUX_MONO is not set # CONFIG_LOGO_LINUX_VGA16 is not set CONFIG_SOUND=y CONFIG_SND=y CONFIG_SND_SEQUENCER=y CONFIG_SND_SEQ_DUMMY=y CONFIG_SND_MIXER_OSS=y CONFIG_SND_PCM_OSS=y CONFIG_SND_SEQUENCER_OSS=y CONFIG_SND_HRTIMER=y CONFIG_SND_HDA_INTEL=y CONFIG_SND_HDA_HWDEP=y CONFIG_HIDRAW=y CONFIG_HID_GYRATION=y CONFIG_LOGITECH_FF=y CONFIG_HID_NTRIG=y CONFIG_HID_PANTHERLORD=y CONFIG_PANTHERLORD_FF=y CONFIG_HID_PETALYNX=y CONFIG_HID_SAMSUNG=y CONFIG_HID_SONY=y CONFIG_HID_SUNPLUS=y CONFIG_HID_TOPSEED=y CONFIG_HID_PID=y CONFIG_USB_HIDDEV=y CONFIG_USB=y CONFIG_USB_ANNOUNCE_NEW_DEVICES=y CONFIG_USB_MON=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_OHCI_HCD=y CONFIG_USB_UHCI_HCD=y CONFIG_USB_PRINTER=y CONFIG_USB_STORAGE=y CONFIG_USB_UAS=y CONFIG_MMC=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PCI=y CONFIG_EDAC=y CONFIG_RTC_CLASS=y # CONFIG_RTC_HCTOSYS is not set CONFIG_DMADEVICES=y CONFIG_VIRTIO_PCI=y CONFIG_VIRTIO_BALLOON=y CONFIG_VIRTIO_MMIO=y CONFIG_EEEPC_LAPTOP=y CONFIG_AMD_IOMMU=y CONFIG_INTEL_IOMMU=y # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set CONFIG_EFI_VARS=y CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y CONFIG_EXT4_FS_SECURITY=y CONFIG_QUOTA=y CONFIG_QUOTA_NETLINK_INTERFACE=y # CONFIG_PRINT_QUOTA_WARNING is not set CONFIG_QFMT_V2=y CONFIG_AUTOFS4_FS=y CONFIG_ISO9660_FS=y CONFIG_JOLIET=y CONFIG_ZISOFS=y CONFIG_MSDOS_FS=y CONFIG_VFAT_FS=y CONFIG_PROC_KCORE=y CONFIG_TMPFS_POSIX_ACL=y CONFIG_HUGETLBFS=y CONFIG_NFS_FS=y CONFIG_NFS_V3_ACL=y CONFIG_NFS_V4=y CONFIG_ROOT_NFS=y CONFIG_NLS_DEFAULT="utf8" CONFIG_NLS_CODEPAGE_437=y CONFIG_NLS_ASCII=y CONFIG_NLS_ISO8859_1=y CONFIG_NLS_UTF8=y CONFIG_PRINTK_TIME=y # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_UNUSED_SYMBOLS is not set CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_STACK_USAGE=y CONFIG_DEBUG_STACKOVERFLOW=y # CONFIG_SCHED_DEBUG is not set CONFIG_SCHEDSTATS=y CONFIG_TIMER_STATS=y CONFIG_BLK_DEV_IO_TRACE=y CONFIG_PROVIDE_OHCI1394_DMA_INIT=y CONFIG_EARLY_PRINTK_DBGP=y # CONFIG_DEBUG_RODATA_TEST is not set CONFIG_DEBUG_BOOT_PARAMS=y CONFIG_OPTIMIZE_INLINING=y CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_DISABLE=y