From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761246AbXK1QA2 (ORCPT ); Wed, 28 Nov 2007 11:00:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757266AbXK1QAV (ORCPT ); Wed, 28 Nov 2007 11:00:21 -0500 Received: from fxip-0047f.externet.hu ([88.209.222.127]:57576 "EHLO dorka.pomaz.szeredi.hu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754763AbXK1QAU (ORCPT ); Wed, 28 Nov 2007 11:00:20 -0500 To: mingo@elte.hu CC: jdike@addtoit.com, user-mode-linux-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org In-reply-to: <20071128154152.GA742@elte.hu> (message from Ingo Molnar on Wed, 28 Nov 2007 16:41:52 +0100) Subject: Re: -rt doesn't compile for UML References: <20071128125030.GB21791@elte.hu> <20071128150840.GB5518@c2.user-mode-linux.org> <20071128154152.GA742@elte.hu> Message-Id: From: Miklos Szeredi Date: Wed, 28 Nov 2007 17:00:02 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > > On Wed, Nov 28, 2007 at 02:09:45PM +0100, Miklos Szeredi wrote: > > > > kernel/latency_trace.c:28:21: error: asm/rtc.h: No such file or directory > > > > > > For things like this, look at the host's asm/foo.h and see if it's > > > usable in UML (and contains things that you need). If it is, just > > > make a asm-um/foo.h which just includes "asm/arch/foo.h". > > > > Yeah, I know that trick :) > > > > It doesn't help in this case. I've gotten as far as realizing that > > the latency tracer needs the irqflags tracing > > (Documentation/irqflags-tracing.tx) and that UML doesn't yet support > > that. > > it doesnt need it - turn IRQOFF_TRACING off. # CONFIG_CRITICAL_IRQSOFF_TIMING is not set This seems to be off. But latency_trace.c uses irqs_disabled_flags(), which is defined in only if CONFIG_TRACE_IRQFLAGS_SUPPORT is set. So perhaps latency_trace.c should be using raw_irqs_disabled_flags() instead. But UML doesn't define that either and I have no idea how to do that, so this is still not solved yet. Miklos # # Automatically generated make config: don't edit # Linux kernel version: 2.6.24-rc3 # Wed Nov 28 16:43:30 2007 # CONFIG_DEFCONFIG_LIST="arch/$ARCH/defconfig" CONFIG_GENERIC_HARDIRQS=y CONFIG_UML=y CONFIG_MMU=y CONFIG_NO_IOMEM=y # CONFIG_TRACE_IRQFLAGS_SUPPORT is not set CONFIG_LOCKDEP_SUPPORT=y # CONFIG_STACKTRACE_SUPPORT is not set CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_GENERIC_BUG=y CONFIG_GENERIC_TIME=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_IRQ_RELEASE_METHOD=y # # UML-specific options # # CONFIG_STATIC_LINK is not set # # Host processor type and features # # CONFIG_M386 is not set # CONFIG_M486 is not set # CONFIG_M586 is not set # CONFIG_M586TSC is not set # CONFIG_M586MMX is not set # CONFIG_M686 is not set # CONFIG_MPENTIUMII is not set # CONFIG_MPENTIUMIII is not set # CONFIG_MPENTIUMM is not set CONFIG_MPENTIUM4=y # CONFIG_MK6 is not set # CONFIG_MK7 is not set # CONFIG_MK8 is not set # CONFIG_MCRUSOE is not set # CONFIG_MEFFICEON is not set # CONFIG_MWINCHIPC6 is not set # CONFIG_MWINCHIP2 is not set # CONFIG_MWINCHIP3D is not set # CONFIG_MGEODEGX1 is not set # CONFIG_MGEODE_LX is not set # CONFIG_MCYRIXIII is not set # CONFIG_MVIAC3_2 is not set # CONFIG_MVIAC7 is not set # CONFIG_MPSC is not set # CONFIG_MCORE2 is not set # CONFIG_GENERIC_CPU is not set # CONFIG_X86_GENERIC is not set CONFIG_X86_CMPXCHG=y CONFIG_X86_L1_CACHE_SHIFT=7 CONFIG_X86_XADD=y CONFIG_X86_WP_WORKS_OK=y CONFIG_X86_INVLPG=y CONFIG_X86_BSWAP=y CONFIG_X86_POPAD_OK=y CONFIG_X86_GOOD_APIC=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_X86_TSC=y CONFIG_X86_CMOV=y CONFIG_X86_MINIMUM_CPU_FAMILY=4 CONFIG_UML_X86=y CONFIG_X86_32=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y # CONFIG_64BIT is not set CONFIG_SEMAPHORE_SLEEPERS=y CONFIG_HOST_VMSPLIT_3G=y # CONFIG_HOST_VMSPLIT_3G_OPT is not set # CONFIG_HOST_VMSPLIT_2G is not set # CONFIG_HOST_VMSPLIT_1G is not set CONFIG_TOP_ADDR=0xC0000000 # CONFIG_3_LEVEL_PGTABLES is not set CONFIG_ARCH_HAS_SC_SIGNALS=y CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA=y CONFIG_GENERIC_HWEIGHT=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_FLATMEM_MANUAL=y # CONFIG_DISCONTIGMEM_MANUAL is not set # CONFIG_SPARSEMEM_MANUAL is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set # CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_RESOURCES_64BIT is not set CONFIG_ZONE_DMA_FLAG=0 CONFIG_VIRT_TO_BUS=y # CONFIG_TICK_ONESHOT is not set # CONFIG_NO_HZ is not set # CONFIG_HIGH_RES_TIMERS is not set CONFIG_GENERIC_CLOCKEVENTS_BUILD=y CONFIG_LD_SCRIPT_DYN=y CONFIG_NET=y CONFIG_BINFMT_ELF=y # CONFIG_BINFMT_AOUT is not set # CONFIG_BINFMT_MISC is not set CONFIG_HOSTFS=y # CONFIG_HPPFS is not set CONFIG_MCONSOLE=y CONFIG_MAGIC_SYSRQ=y # CONFIG_SMP is not set CONFIG_NEST_LEVEL=0 # CONFIG_HIGHMEM is not set CONFIG_KERNEL_STACK_ORDER=3 # # General setup # CONFIG_EXPERIMENTAL=y CONFIG_BROKEN_ON_SMP=y CONFIG_INIT_ENV_ARG_LIMIT=128 CONFIG_LOCALVERSION="" # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SWAP=y # CONFIG_SYSVIPC is not set # CONFIG_POSIX_MQUEUE is not set # CONFIG_BSD_PROCESS_ACCT is not set # CONFIG_TASKSTATS is not set # CONFIG_USER_NS is not set # CONFIG_PID_NS is not set # CONFIG_AUDIT is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=14 # CONFIG_CGROUPS is not set CONFIG_FAIR_GROUP_SCHED=y CONFIG_FAIR_USER_SCHED=y # CONFIG_FAIR_CGROUP_SCHED is not set CONFIG_SYSFS_DEPRECATED=y # CONFIG_RELAY is not set # CONFIG_BLK_DEV_INITRD is not set # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set CONFIG_SYSCTL=y # CONFIG_EMBEDDED is not set CONFIG_UID16=y CONFIG_SYSCTL_SYSCALL=y CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set # CONFIG_KALLSYMS_EXTRA_PASS is not set CONFIG_HOTPLUG=y CONFIG_PRINTK=y CONFIG_BUG=y CONFIG_ELF_CORE=y CONFIG_BASE_FULL=y CONFIG_FUTEX=y CONFIG_ANON_INODES=y CONFIG_EPOLL=y CONFIG_SIGNALFD=y CONFIG_EVENTFD=y CONFIG_SHMEM=y CONFIG_VM_EVENT_COUNTERS=y CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set CONFIG_RT_MUTEXES=y # CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y # CONFIG_MODVERSIONS is not set # CONFIG_MODULE_SRCVERSION_ALL is not set # CONFIG_KMOD is not set CONFIG_BLOCK=y # CONFIG_LBD is not set # CONFIG_BLK_DEV_IO_TRACE is not set # CONFIG_LSF is not set # CONFIG_BLK_DEV_BSG is not set # # IO Schedulers # CONFIG_IOSCHED_NOOP=y # CONFIG_IOSCHED_AS is not set # CONFIG_IOSCHED_DEADLINE is not set # CONFIG_IOSCHED_CFQ is not set # CONFIG_DEFAULT_AS is not set # CONFIG_DEFAULT_DEADLINE is not set # CONFIG_DEFAULT_CFQ is not set CONFIG_DEFAULT_NOOP=y CONFIG_DEFAULT_IOSCHED="noop" CONFIG_BLK_DEV=y CONFIG_BLK_DEV_UBD=y # CONFIG_BLK_DEV_UBD_SYNC is not set CONFIG_BLK_DEV_COW_COMMON=y CONFIG_BLK_DEV_LOOP=y # CONFIG_BLK_DEV_CRYPTOLOOP is not set # CONFIG_BLK_DEV_NBD is not set # CONFIG_BLK_DEV_RAM is not set # CONFIG_ATA_OVER_ETH is not set # # Character Devices # CONFIG_STDERR_CONSOLE=y CONFIG_STDIO_CONSOLE=y # CONFIG_SSL is not set # CONFIG_NULL_CHAN is not set # CONFIG_PORT_CHAN is not set # CONFIG_PTY_CHAN is not set # CONFIG_TTY_CHAN is not set CONFIG_XTERM_CHAN=y CONFIG_NOCONFIG_CHAN=y CONFIG_CON_ZERO_CHAN="fd:0,fd:1" CONFIG_CON_CHAN="xterm" CONFIG_SSL_CHAN="pty" CONFIG_UNIX98_PTYS=y # CONFIG_LEGACY_PTYS is not set # CONFIG_RAW_DRIVER is not set # CONFIG_WATCHDOG is not set # CONFIG_UML_SOUND is not set # CONFIG_SOUND is not set # CONFIG_HOSTAUDIO is not set # CONFIG_HW_RANDOM is not set # CONFIG_UML_RANDOM is not set # CONFIG_MMAPPER is not set # # Generic Driver Options # CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_STANDALONE=y CONFIG_PREVENT_FIRMWARE_BUILD=y # CONFIG_FW_LOADER is not set # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set # CONFIG_SYS_HYPERVISOR is not set # # Networking # # # Networking options # # CONFIG_PACKET is not set CONFIG_UNIX=y CONFIG_XFRM=y # CONFIG_XFRM_USER is not set # CONFIG_XFRM_SUB_POLICY is not set # CONFIG_XFRM_MIGRATE is not set # CONFIG_NET_KEY is not set CONFIG_INET=y # CONFIG_IP_MULTICAST is not set # CONFIG_IP_ADVANCED_ROUTER is not set CONFIG_IP_FIB_HASH=y # CONFIG_IP_PNP is not set # CONFIG_NET_IPIP is not set # CONFIG_NET_IPGRE is not set # CONFIG_ARPD is not set # CONFIG_SYN_COOKIES is not set # CONFIG_INET_AH is not set # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_XFRM_TUNNEL is not set # CONFIG_INET_TUNNEL is not set CONFIG_INET_XFRM_MODE_TRANSPORT=y CONFIG_INET_XFRM_MODE_TUNNEL=y CONFIG_INET_XFRM_MODE_BEET=y # CONFIG_INET_LRO is not set CONFIG_INET_DIAG=y CONFIG_INET_TCP_DIAG=y # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_CUBIC=y CONFIG_DEFAULT_TCP_CONG="cubic" # CONFIG_TCP_MD5SIG is not set # CONFIG_IPV6 is not set # CONFIG_INET6_XFRM_TUNNEL is not set # CONFIG_INET6_TUNNEL is not set # CONFIG_NETWORK_SECMARK is not set # CONFIG_NETFILTER is not set # CONFIG_IP_DCCP is not set # CONFIG_IP_SCTP is not set # CONFIG_TIPC is not set # CONFIG_ATM is not set # CONFIG_BRIDGE is not set # CONFIG_VLAN_8021Q is not set # CONFIG_DECNET is not set # CONFIG_LLC2 is not set # CONFIG_IPX is not set # CONFIG_ATALK is not set # CONFIG_X25 is not set # CONFIG_LAPB is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set # CONFIG_NET_SCHED is not set # # Network testing # # CONFIG_NET_PKTGEN is not set # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set # CONFIG_AF_RXRPC is not set # # Wireless # # CONFIG_CFG80211 is not set # CONFIG_WIRELESS_EXT is not set # CONFIG_MAC80211 is not set # CONFIG_IEEE80211 is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set # # UML Network Devices # CONFIG_UML_NET=y # CONFIG_UML_NET_ETHERTAP is not set CONFIG_UML_NET_TUNTAP=y # CONFIG_UML_NET_SLIP is not set # CONFIG_UML_NET_DAEMON is not set # CONFIG_UML_NET_VDE is not set # CONFIG_UML_NET_MCAST is not set # CONFIG_UML_NET_PCAP is not set # CONFIG_UML_NET_SLIRP is not set # CONFIG_NETDEVICES is not set # CONFIG_CONNECTOR is not set # # File systems # CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y CONFIG_EXT2_FS_SECURITY=y CONFIG_EXT2_FS_XIP=y CONFIG_FS_XIP=y CONFIG_EXT3_FS=y CONFIG_EXT3_FS_XATTR=y CONFIG_EXT3_FS_POSIX_ACL=y CONFIG_EXT3_FS_SECURITY=y # CONFIG_EXT4DEV_FS is not set CONFIG_JBD=y CONFIG_FS_MBCACHE=y # CONFIG_REISERFS_FS is not set # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y # CONFIG_XFS_FS is not set # CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y # CONFIG_QUOTA is not set CONFIG_DNOTIFY=y # CONFIG_AUTOFS_FS is not set # CONFIG_AUTOFS4_FS is not set CONFIG_FUSE_FS=y # # CD-ROM/DVD Filesystems # # CONFIG_ISO9660_FS is not set # CONFIG_UDF_FS is not set # # DOS/FAT/NT Filesystems # # CONFIG_MSDOS_FS is not set # CONFIG_VFAT_FS is not set # CONFIG_NTFS_FS is not set # # Pseudo filesystems # CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_PROC_SYSCTL=y CONFIG_SYSFS=y CONFIG_TMPFS=y # CONFIG_TMPFS_POSIX_ACL is not set # CONFIG_HUGETLB_PAGE is not set # CONFIG_CONFIGFS_FS is not set # # Miscellaneous filesystems # # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_HFS_FS is not set # CONFIG_HFSPLUS_FS is not set # CONFIG_BEFS_FS is not set # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set # CONFIG_CRAMFS is not set # CONFIG_VXFS_FS is not set # CONFIG_HPFS_FS is not set # CONFIG_QNX4FS_FS is not set # CONFIG_SYSV_FS is not set # CONFIG_UFS_FS is not set CONFIG_NETWORK_FILESYSTEMS=y # CONFIG_NFS_FS is not set # CONFIG_NFSD is not set # CONFIG_SMB_FS is not set # CONFIG_CIFS is not set # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set # # Partition Types # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y # CONFIG_NLS is not set # CONFIG_DLM is not set # # Security options # # CONFIG_KEYS is not set # CONFIG_SECURITY is not set # CONFIG_SECURITY_FILE_CAPABILITIES is not set # CONFIG_CRYPTO is not set # # Library routines # # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set # CONFIG_CRC_ITU_T is not set # CONFIG_CRC32 is not set # CONFIG_CRC7 is not set # CONFIG_LIBCRC32C is not set CONFIG_PLIST=y CONFIG_HAS_DMA=y # # SCSI device support # # CONFIG_RAID_ATTRS is not set # CONFIG_SCSI is not set # CONFIG_SCSI_DMA is not set # CONFIG_SCSI_NETLINK is not set # CONFIG_MD is not set # CONFIG_INPUT is not set CONFIG_INSTRUMENTATION=y # CONFIG_PROFILING is not set # CONFIG_MARKERS is not set # # Kernel hacking # CONFIG_PRINTK_TIME=y # CONFIG_ENABLE_WARN_DEPRECATED is not set # CONFIG_ENABLE_MUST_CHECK is not set # CONFIG_UNUSED_SYMBOLS is not set # CONFIG_DEBUG_FS is not set CONFIG_DEBUG_KERNEL=y # CONFIG_DEBUG_SHIRQ is not set # CONFIG_DETECT_SOFTLOCKUP is not set # CONFIG_SCHED_DEBUG is not set # CONFIG_SCHEDSTATS is not set # CONFIG_TIMER_STATS is not set # CONFIG_DEBUG_SLAB is not set # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_RT_MUTEX_TESTER is not set CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_MUTEXES=y CONFIG_DEBUG_SPINLOCK_SLEEP=y # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set CONFIG_STACKTRACE=y CONFIG_EVENT_TRACE=y CONFIG_FUNCTION_TRACE=y # CONFIG_WAKEUP_TIMING is not set # CONFIG_CRITICAL_IRQSOFF_TIMING is not set CONFIG_MCOUNT=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_VM is not set CONFIG_DEBUG_LIST=y # CONFIG_DEBUG_SG is not set CONFIG_FRAME_POINTER=y CONFIG_FORCED_INLINING=y # CONFIG_BOOT_PRINTK_DELAY is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_FAULT_INJECTION is not set # CONFIG_SAMPLES is not set # CONFIG_GPROF is not set # CONFIG_GCOV is not set # CONFIG_DEBUG_STACK_USAGE is not set