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Tue, 03 Mar 2020 10:01:38 -0800 (PST) X-Gm-Message-State: ANhLgQ1tJMjN8f/oU7vhgLUkYLKHNTXEeHMhOCQ/KqTYIiCLpoCTgLZV EPL5dh82WcIs1iqzzGtv1hxIs4LaBZgpHsQR0WNrFg== X-Google-Smtp-Source: ADFU+vtCh+tBWrTvRcAc/NH0JeRqkB01tuIpt1Bnu3LmZDWpVgJ/bX7HfAGeJP895OCyGjQV8HtajjRojSX0FCuXtVE= X-Received: by 2002:adf:e742:: with SMTP id c2mr6489330wrn.262.1583258494072; Tue, 03 Mar 2020 10:01:34 -0800 (PST) MIME-Version: 1.0 References: <20200216182334.8121-1-ardb@kernel.org> <20200216182334.8121-17-ardb@kernel.org> <20200303160353.GA20372@roeck-us.net> <20200303175355.GA14065@roeck-us.net> In-Reply-To: <20200303175355.GA14065@roeck-us.net> From: Ard Biesheuvel Date: Tue, 3 Mar 2020 19:01:23 +0100 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 16/18] efi: add 'runtime' pointer to struct efi To: Guenter Roeck X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200303_100139_026165_18707417 X-CRM114-Status: GOOD ( 26.84 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Arvind Sankar , linux-efi , the arch/x86 maintainers , linux-arm-kernel , Linux Kernel Mailing List Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 3 Mar 2020 at 18:54, Guenter Roeck wrote: > > On Tue, Mar 03, 2020 at 05:39:43PM +0100, Ard Biesheuvel wrote: > > On Tue, 3 Mar 2020 at 17:03, Guenter Roeck wrote: > > > > > > On Sun, Feb 16, 2020 at 07:23:32PM +0100, Ard Biesheuvel wrote: > > > > Instead of going through the EFI system table each time, just copy the > > > > runtime services table pointer into struct efi directly. This is the > > > > last use of the system table pointer in struct efi, allowing us to > > > > drop it in a future patch, along with a fair amount of quirky handling > > > > of the translated address. > > > > > > > > Note that usually, the runtime services pointer changes value during > > > > the call to SetVirtualAddressMap(), so grab the updated value as soon > > > > as that call returns. (Mixed mode uses a 1:1 mapping, and kexec boot > > > > enters with the updated address in the system table, so in those cases, > > > > we don't need to do anything here) > > > > > > > > Signed-off-by: Ard Biesheuvel > > > > > > This patch results in a crash with i386 efi boots if PAE (CONFIG_HIGHMEM64G=y) > > > is enabled. Bisect and crash logs attached. There is also a warning which > > > I don't recall seeing before, but it may not be caused by this patch > > > (I didn' bisect the warning). The warning is seen with all i386:efi boots, > > > not only when PAE is enabled. The warning log is also attached. > > > > > > Guenter > > > > > > --- > > > Qemu command line: > > > > > > qemu-system-i386 -kernel arch/x86/boot/bzImage -M pc -cpu Westmere \ > > > -no-reboot -m 256 -snapshot \ > > > -bios OVMF-pure-efi-32.fd \ > > > -usb -device usb-storage,drive=d0 \ > > > -drive file=rootfs.ext2,if=none,id=d0,format=raw \ > > > --append 'earlycon=uart8250,io,0x3f8,9600n8 panic=-1 slub_debug=FZPUA root=/dev/sda rootwait mem=256M console=ttyS0' \ > > > -nographic > > > > > > > I am failing to reproduce this. Do you have a .config and a copy of > > OVMF-pure-efi-32.fd anywhere? > > > > https://github.com/groeck/linux-build-test/blob/master/rootfs/firmware/OVMF-pure-efi-32.fd > https://github.com/groeck/linux-build-test/blob/master/rootfs/x86/rootfs.ext2.gz > > Config file is below, shortened by "make savedefconfig" on the actual > configuration used on next-20200303. Qemu version is 4.2, though that > should not really matter. Note that it isn't necessary to boot from usb, > that was just my test case. > > Here is a pointer to a complete log, showing the various conditions > resulting in the warning and the crash: > > https://kerneltests.org/builders/qemu-x86-next/builds/1310/steps/qemubuildcommand_1/logs/stdio > Thanks. How do I generate your exact .config from the below? I still cannot reproduce with the different firmware. My qemu is 3.1 btw > > --- > # CONFIG_LOCALVERSION_AUTO is not set > CONFIG_SYSVIPC=y > CONFIG_POSIX_MQUEUE=y > CONFIG_USELIB=y > CONFIG_AUDIT=y > CONFIG_NO_HZ=y > CONFIG_HIGH_RES_TIMERS=y > CONFIG_PREEMPT_VOLUNTARY=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_NAMESPACES=y > CONFIG_BLK_DEV_INITRD=y > CONFIG_EXPERT=y > # CONFIG_COMPAT_BRK is not set > CONFIG_PROFILING=y > CONFIG_SMP=y > CONFIG_NR_CPUS=8 > CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y > CONFIG_MICROCODE_AMD=y > CONFIG_X86_MSR=y > CONFIG_X86_CPUID=y > CONFIG_X86_CHECK_BIOS_CORRUPTION=y > # CONFIG_MTRR_SANITIZER is not set > CONFIG_EFI=y > CONFIG_EFI_STUB=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_ACPI_BGRT=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_EFI_VARS=y > CONFIG_EFI_CAPSULE_LOADER=y > # CONFIG_KVM_WERROR is not set > CONFIG_KPROBES=y > CONFIG_JUMP_LABEL=y > CONFIG_STATIC_KEYS_SELFTEST=y > CONFIG_COMPAT_32BIT_TIME=y > CONFIG_MODULES=y > CONFIG_MODULE_UNLOAD=y > CONFIG_MODULE_FORCE_UNLOAD=y > # CONFIG_UNUSED_SYMBOLS is not set > CONFIG_BINFMT_MISC=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_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_NF_NAT=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_IP_NF_IPTABLES=y > CONFIG_IP_NF_FILTER=y > CONFIG_IP_NF_TARGET_REJECT=y > CONFIG_IP_NF_TARGET_MASQUERADE=m > CONFIG_IP_NF_MANGLE=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_RFKILL_INPUT=y > CONFIG_PCI=y > CONFIG_PCIEPORTBUS=y > CONFIG_PCI_MSI=y > CONFIG_HOTPLUG_PCI=y > CONFIG_PCCARD=y > CONFIG_YENTA=y > CONFIG_DEVTMPFS=y > CONFIG_DEVTMPFS_MOUNT=y > CONFIG_DEBUG_DEVRES=y > CONFIG_PM_QOS_KUNIT_TEST=y > CONFIG_CONNECTOR=y > CONFIG_BLK_DEV_LOOP=y > CONFIG_VIRTIO_BLK=y > CONFIG_BLK_DEV_NVME=y > CONFIG_PCI_ENDPOINT_TEST=y > CONFIG_BLK_DEV_SD=y > CONFIG_BLK_DEV_SR=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_PATA_MPIIX=y > CONFIG_ATA_GENERIC=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_BNX2=y > CONFIG_TIGON3=y > CONFIG_NET_TULIP=y > CONFIG_E100=y > CONFIG_E1000=y > CONFIG_E1000E=y > CONFIG_SKY2=y > CONFIG_NE2K_PCI=y > CONFIG_FORCEDETH=y > CONFIG_8139TOO=y > # CONFIG_8139TOO_PIO is not set > CONFIG_R8169=y > CONFIG_FDDI=y > CONFIG_INPUT_POLLDEV=y > 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_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_VGACON_SOFT_SCROLLBACK=y > CONFIG_FRAMEBUFFER_CONSOLE=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_HRTIMER=y > CONFIG_SND_SEQUENCER=y > CONFIG_SND_SEQ_DUMMY=y > CONFIG_SND_HDA_INTEL=y > CONFIG_SND_HDA_HWDEP=y > CONFIG_HIDRAW=y > CONFIG_HID_A4TECH=y > CONFIG_HID_APPLE=y > CONFIG_HID_BELKIN=y > CONFIG_HID_CHERRY=y > CONFIG_HID_CHICONY=y > CONFIG_HID_CYPRESS=y > CONFIG_HID_EZKEY=y > CONFIG_HID_GYRATION=y > CONFIG_HID_ITE=y > CONFIG_HID_KENSINGTON=y > CONFIG_HID_LOGITECH=y > CONFIG_LOGITECH_FF=y > CONFIG_HID_REDRAGON=y > CONFIG_HID_MICROSOFT=y > CONFIG_HID_MONTEREY=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_USB_TEST=y > CONFIG_USB_EHSET_TEST_FIXTURE=y > CONFIG_USB_LINK_LAYER_TEST=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_DMATEST=y > CONFIG_VIRTIO_PCI=y > CONFIG_VIRTIO_BALLOON=y > CONFIG_VIRTIO_MMIO=y > CONFIG_EEEPC_LAPTOP=y > CONFIG_EXT3_FS=y > CONFIG_EXT4_FS_POSIX_ACL=y > CONFIG_EXT4_FS_SECURITY=y > CONFIG_EXT4_KUNIT_TESTS=y > CONFIG_BTRFS_FS=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_SQUASHFS=y > CONFIG_SQUASHFS_XATTR=y > CONFIG_SQUASHFS_4K_DEVBLK_SIZE=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_SECURITY=y > CONFIG_SECURITY_NETWORK=y > CONFIG_SECURITY_SELINUX=y > CONFIG_SECURITY_SELINUX_BOOTPARAM=y > CONFIG_SECURITY_SELINUX_DISABLE=y > # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set > CONFIG_CRC32_SELFTEST=y > CONFIG_GLOB_SELFTEST=y > CONFIG_STRING_SELFTEST=y > CONFIG_PRINTK_TIME=y > CONFIG_FRAME_WARN=1024 > CONFIG_MAGIC_SYSRQ=y > CONFIG_DEBUG_RODATA_TEST=y > CONFIG_DEBUG_STACK_USAGE=y > CONFIG_DEBUG_MEMORY_INIT=y > # CONFIG_SCHED_DEBUG is not set > CONFIG_SCHEDSTATS=y > CONFIG_PROVE_LOCKING=y > CONFIG_DEBUG_LOCKDEP=y > CONFIG_DEBUG_ATOMIC_SLEEP=y > CONFIG_DEBUG_LOCKING_API_SELFTESTS=y > CONFIG_WW_MUTEX_SELFTEST=y > CONFIG_DEBUG_LIST=y > CONFIG_RCU_EQS_DEBUG=y > CONFIG_BLK_DEV_IO_TRACE=y > CONFIG_PROVIDE_OHCI1394_DMA_INIT=y > CONFIG_EARLY_PRINTK_DBGP=y > CONFIG_DEBUG_TLBFLUSH=y > CONFIG_DEBUG_BOOT_PARAMS=y > CONFIG_DEBUG_NMI_SELFTEST=y > CONFIG_UNWINDER_FRAME_POINTER=y > CONFIG_KUNIT=y > CONFIG_KUNIT_TEST=y > CONFIG_TEST_SORT=y > CONFIG_RBTREE_TEST=y > CONFIG_INTERVAL_TREE_TEST=y > CONFIG_TEST_BITMAP=y > CONFIG_TEST_UUID=y > CONFIG_TEST_FIRMWARE=y > CONFIG_TEST_SYSCTL=y > CONFIG_SYSCTL_KUNIT_TEST=y > CONFIG_LIST_KUNIT_TEST=y _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel