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>From dhowells  Mon Oct  1 14: 11:57 2007
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From: David Howells <dhowells <at> redhat.com>
Subject: [PATCH 28/30] IGET: Stop HOSTFS from using iget() and read_inode()
To: hch <at> infradead.org, viro <at> ftp.linux.org.uk, torvalds <at> osdl.org,
    akpm <at> osdl.org
Cc: linux-kernel <at> vger.kernel.org, linux-fsdevel <at> vger.kernel.org,
    dhowells <at> redhat.com
Date: Mon, 01 Oct 2007 14:11:45 +0100
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>From dhowells  Mon Oct  1 14: 11:59 2007
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From: David Howells <dhowells <at> redhat.com>
Subject: [PATCH 29/30] IGET: Stop HPPFS from using iget() and read_inode()
To: hch <at> infradead.org, viro <at> ftp.linux.org.uk, torvalds <at> osdl.org,
    akpm <at> osdl.org
Cc: linux-kernel <at> vger.kernel.org, linux-fsdevel <at> vger.kernel.org,
    dhowells <at> redhat.com
Date: Mon, 01 Oct 2007 14:11:50 +0100
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[PATCH 3/3] UML - Definitively kill subprocesses on panic

From: Lepton Wu <ytht.net <at> gmail.com>

  In a stock 2.6.22.6 kernel, poweroff a user mode linux guest
(2.6.22.6 running in skas0 mode) will halt the host linux. I
think the reason is the kernel thread abort because of a bug.
Then the sys_reboot in process of user mode linux guest is
not trapped by the user mode linux kernel and is executed by host.
  I think it is better to make sure all of our children process
to quit when user mode linux kernel abort.

[ jdike - the kernel process needs to ignore SIGTERM, plus the
  waitpid/kill loop is needed to make sure that all of our children
  are dead before the kernel exits ]

Signed-off-by: Lepton Wu <ytht.net <at> gmail.com>
Signed-off-by: Jeff Dike <jdike <at> linux.intel.com>
---
 arch/um/os-Linux/skas/process.c |    2 +-
 arch/um/os-Linux/util.c         |   38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 1 deletion(-)

Index: linux-2.6.22/arch/um/os-Linux/util.c
===================================================================
--- linux-2.6.22.orig/arch/um/os-Linux/util.c	2007-10-01 15:11:14.000000000 -0400
+++ linux-2.6.22/arch/um/os-Linux/util.c	2007-10-01 17:04:34.000000000 -0400
 <at>  <at>  -105,6 +105,44  <at>  <at>  int setjmp_wrapper(void (*proc)(void *, 

 void os_dump_core(void)
 {
+	int pid;

[PATCH 2/3] UML - arch/um/drivers formatting

Style fixes for the rest of the drivers.  arch/um/drivers should be
pretty CodingStyle-compliant now.

Except for the ubd driver, which will have to be treated separately.

Signed-off-by: Jeff Dike <jdike <at> linux.intel.com>
---
 arch/um/drivers/chan_user.c      |   18 +++--
 arch/um/drivers/cow_user.c       |  133 +++++++++++++++++++--------------------
 arch/um/drivers/fd.c             |   13 +--
 arch/um/drivers/hostaudio_kern.c |  118 +++++++++++++++++-----------------
 arch/um/drivers/mconsole_user.c  |  119 +++++++++++++++-------------------
 arch/um/drivers/mmapper_kern.c   |   64 ++++++++----------
 arch/um/drivers/null.c           |    4 -
 arch/um/drivers/pty.c            |   16 ++--
 arch/um/drivers/xterm.c          |   12 ++-
 9 files changed, 244 insertions(+), 253 deletions(-)

Index: linux-2.6.22/arch/um/drivers/cow_user.c
===================================================================
--- linux-2.6.22.orig/arch/um/drivers/cow_user.c	2007-10-01 15:11:15.000000000 -0400
+++ linux-2.6.22/arch/um/drivers/cow_user.c	2007-10-01 17:01:55.000000000 -0400
 <at>  <at>  -1,17 +1,18  <at>  <at> 
-#include <stddef.h>
-#include <string.h>
-#include <errno.h>
-/* _XOPEN_SOURCE is needed for pread, but we define _GNU_SOURCE, which defines
+/*
+ * Copyright (C) 2007 Jeff Dike (jdike <at> {linux.intel,addtoit}.com)
+ * Licensed under the GPL

[PATCH 1/3] UML - Fix stub address calculations

The calculation of CONFIG_STUB_CODE and CONFIG_STUB_DATA didn't take
into account anything but 3G/1G and 2G/2G, leaving the other vmsplits
out in the cold.

I'd rather not duplicate the four known host vmsplit cases for each of
these symbols.  I'd also like to calculate them based on the highest
userspace address.

The Kconfig language seems not to allow calculation of hex constants,
so I moved this to as-layout.h.  CONFIG_STUB_CODE, CONFIG_STUB_DATA,
and CONFIG_STUB_START are now gone.  In their place are STUB_CODE,
STUB_DATA, and STUB_START in as-layout.h.

i386 and x86_64 seem to differ as to whether an unadorned constant is
an int or a long, so I cast them to unsigned long so they can be
printed consistently.  However, they are also used in stub.S, where C
types don't work so well.  So, there are ASM_ versions of these
constants for use in stub.S.  I also ifdef-ed the non-asm-friendly
portion of as-layout.h.

With this in place, most of the rest of this patch is changing
CONFIG_STUB_* to STUB_*, except in stub.S, where they are changed to
ASM_STUB_*.

defconfig has the old symbols deleted.

I also print these addresses out in case there is any problem mapping
them on the host.

The two stub.S files had some trailing whitespace, so that is cleaned

Re: [PATCH 1/3] UML - Fix stub address calculations

On Mon, 1 Oct 2007, Jeff Dike wrote:
> The Kconfig language seems not to allow calculation of hex constants,
> so I moved this to as-layout.h.  CONFIG_STUB_CODE, CONFIG_STUB_DATA,
> and CONFIG_STUB_START are now gone.  In their place are STUB_CODE,
> STUB_DATA, and STUB_START in as-layout.h.

Hmm, perhaps you can use _AC() (from <linux/const.h>) to defined the original
constants instead, so you don't need the #ifdefs?

> --- linux-2.6.22.orig/arch/um/include/as-layout.h	2007-09-27 11:47:22.000000000 -0400
> +++ linux-2.6.22/arch/um/include/as-layout.h	2007-10-01 16:41:26.000000000 -0400
>  <at>  <at>  -6,6 +6,28  <at>  <at> 
>  #ifndef __START_H__
>  #define __START_H__
>  
> +#include "uml-config.h"
> +#include "kern_constants.h"
> +
> +/*
> + * Assembly doesn't want any casting, but C does, so define these
> + * without casts here, and define new symbols with casts inside the C
> + * section.
> + */
> +#define ASM_STUB_CODE (UML_CONFIG_TOP_ADDR - 2 * UM_KERN_PAGE_SIZE)
> +#define ASM_STUB_DATA (UML_CONFIG_TOP_ADDR - UM_KERN_PAGE_SIZE)
> +#define ASM_STUB_START ASM_STUB_CODE
> +
> +/*
> + * This file is included by the assembly stubs, which just want the
> + * definitions above.

ask for advise

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SKAS as a module

Hi,

I'm not sure if this has been asked here before.

Performance of UML improves a lot when used with SKAS. But SKAS is not in the 
standard kernels shipped by most distributions. Probably because it isn't 
included upstream.

Is there a possibility of turning the patch to be used as a kernel module ?
If yes, I guess distributors will be able to ship it separately. And users 
will be able to use it with their standard kernels shipped by the 
distributors.

Please CC me. I'm not subscribed to the list.

Ritesh
--

-- 
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."

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Re: build error of an UML kernel with 2.6.2x sources

Am Montag, 20. August 2007 schrieb Jeff Dike:
> On Mon, Aug 20, 2007 at 05:30:37PM +0200, Toralf Förster wrote:
> > I found this in /usr/include/sys/user.h (the file was installed from
> > glibc-2.5-r4): 
> 
> sys/user works for me - try the patch below.
> 
> 				Jeff
> 

Hello,
with the current git sources, the given patch and sys-kernel/linux-headers-2.6.22-r2
I've no success compiling an UML image under a stable Gentoo 

Here'S the output:
...
  CC      arch/um/kernel/um_arch.o
  CC      arch/um/kernel/umid.o
  CC      arch/um/kernel/skas/clone.o
arch/um/kernel/skas/clone.c:6:22: error: asm/page.h: No such file or directory
make[2]: *** [arch/um/kernel/skas/clone.o] Error 1
make[1]: *** [arch/um/kernel/skas] Error 2
make: *** [arch/um/kernel] Error 2

I'll attach the given patch as well as the .config b/c last activity on this
mail thread was some time ago.

-- 
MfG/Sincerely

Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3

#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.23-rc9
# Sat Oct  6 15:04:20 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_IRQ_RELEASE_METHOD=y

#
# UML-specific options
#
# CONFIG_STATIC_LINK is not set
CONFIG_MODE_SKAS=y

#
# 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=y
# CONFIG_MCORE2 is not set
# CONFIG_MPENTIUM4 is not set
# 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_X86_GENERIC is not set
CONFIG_X86_CMPXCHG=y
CONFIG_X86_L1_CACHE_SHIFT=6
CONFIG_X86_XADD=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
# CONFIG_ARCH_HAS_ILOG2_U32 is not set
# CONFIG_ARCH_HAS_ILOG2_U64 is not set
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_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_STUB_CODE=0xbfffe000
CONFIG_STUB_DATA=0xbffff000
CONFIG_STUB_START=0xbfffe000
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_SPLIT_PTLOCK_CPUS=4
# CONFIG_RESOURCES_64BIT is not set
CONFIG_ZONE_DMA_FLAG=0
CONFIG_VIRT_TO_BUS=y
CONFIG_LD_SCRIPT_DYN=y
CONFIG_NET=y
CONFIG_BINFMT_ELF=y
# CONFIG_BINFMT_MISC is not set
CONFIG_HOSTFS=y
# CONFIG_HPPFS is not set
CONFIG_MCONSOLE=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_NEST_LEVEL=0
# CONFIG_HIGHMEM is not set
CONFIG_KERNEL_STACK_ORDER=2
CONFIG_UML_REAL_TIME_CLOCK=y

#
# General setup
#
CONFIG_EXPERIMENTAL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_INIT_ENV_ARG_LIMIT=128
CONFIG_LOCALVERSION=""
CONFIG_LOCALVERSION_AUTO=y
CONFIG_SWAP=y
CONFIG_SYSVIPC=y
CONFIG_SYSVIPC_SYSCTL=y
# 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_AUDIT is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=14
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_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 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=y
# CONFIG_DEFAULT_AS is not set
# CONFIG_DEFAULT_DEADLINE is not set
CONFIG_DEFAULT_CFQ=y
# CONFIG_DEFAULT_NOOP is not set
CONFIG_DEFAULT_IOSCHED="cfq"
CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_UBD=y
CONFIG_BLK_DEV_UBD_SYNC=y
CONFIG_BLK_DEV_COW_COMMON=y
# CONFIG_MMAPPER is not set
# CONFIG_BLK_DEV_LOOP 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=y
CONFIG_TTY_CHAN=y
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=y
CONFIG_SOUND=y
CONFIG_HOSTAUDIO=y
# CONFIG_HW_RANDOM is not set
# CONFIG_UML_RANDOM is not set

#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
# CONFIG_FW_LOADER is not set
# CONFIG_SYS_HYPERVISOR is not set

#
# Networking
#

#
# Networking options
#
CONFIG_PACKET=y
CONFIG_PACKET_MMAP=y
CONFIG_UNIX=y
# 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=y
# 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 is not set
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET 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

#
# QoS and/or fair queueing
#
# 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_MCAST is not set
# CONFIG_UML_NET_PCAP is not set
# CONFIG_UML_NET_SLIRP is not set
CONFIG_NETDEVICES=y
# CONFIG_NETDEVICES_MULTIQUEUE is not set
# CONFIG_DUMMY is not set
# CONFIG_BONDING is not set
# CONFIG_MACVLAN is not set
# CONFIG_EQUALIZER is not set
CONFIG_TUN=y

#
# Wireless LAN
#
# CONFIG_WLAN_PRE80211 is not set
# CONFIG_WLAN_80211 is not set
# CONFIG_WAN is not set
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
# CONFIG_SHAPER is not set
# CONFIG_NETCONSOLE is not set
# CONFIG_NETPOLL is not set
# CONFIG_NET_POLL_CONTROLLER is not set
# CONFIG_CONNECTOR is not set

#
# File systems
#
CONFIG_EXT2_FS=y
# CONFIG_EXT2_FS_XATTR is not set
# CONFIG_EXT2_FS_XIP is not set
CONFIG_EXT3_FS=y
# CONFIG_EXT3_FS_XATTR is not set
# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
# 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 is not set

#
# CD-ROM/DVD Filesystems
#
CONFIG_ISO9660_FS=y
# CONFIG_JOLIET is not set
# CONFIG_ZISOFS is not set
# CONFIG_UDF_FS is not set

#
# DOS/FAT/NT Filesystems
#
CONFIG_FAT_FS=y
# CONFIG_MSDOS_FS is not set
CONFIG_VFAT_FS=y
CONFIG_FAT_DEFAULT_CODEPAGE=437
CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
# 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_RAMFS=y
# 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

#
# Network File Systems
#
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
# CONFIG_NFS_V3_ACL is not set
CONFIG_NFS_V4=y
# CONFIG_NFS_DIRECTIO is not set
CONFIG_NFSD=y
CONFIG_NFSD_V3=y
# CONFIG_NFSD_V3_ACL is not set
CONFIG_NFSD_V4=y
CONFIG_NFSD_TCP=y
CONFIG_LOCKD=y
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=y
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=y
CONFIG_SUNRPC_GSS=y
# CONFIG_SUNRPC_BIND34 is not set
CONFIG_RPCSEC_GSS_KRB5=y
# CONFIG_RPCSEC_GSS_SPKM3 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

#
# Native Language Support
#
CONFIG_NLS=y
CONFIG_NLS_DEFAULT="iso8859-1"
CONFIG_NLS_CODEPAGE_437=y
# CONFIG_NLS_CODEPAGE_737 is not set
# CONFIG_NLS_CODEPAGE_775 is not set
# CONFIG_NLS_CODEPAGE_850 is not set
# CONFIG_NLS_CODEPAGE_852 is not set
# CONFIG_NLS_CODEPAGE_855 is not set
# CONFIG_NLS_CODEPAGE_857 is not set
# CONFIG_NLS_CODEPAGE_860 is not set
# CONFIG_NLS_CODEPAGE_861 is not set
# CONFIG_NLS_CODEPAGE_862 is not set
# CONFIG_NLS_CODEPAGE_863 is not set
# CONFIG_NLS_CODEPAGE_864 is not set
# CONFIG_NLS_CODEPAGE_865 is not set
# CONFIG_NLS_CODEPAGE_866 is not set
# CONFIG_NLS_CODEPAGE_869 is not set
# CONFIG_NLS_CODEPAGE_936 is not set
# CONFIG_NLS_CODEPAGE_950 is not set
# CONFIG_NLS_CODEPAGE_932 is not set
# CONFIG_NLS_CODEPAGE_949 is not set
# CONFIG_NLS_CODEPAGE_874 is not set
# CONFIG_NLS_ISO8859_8 is not set
# CONFIG_NLS_CODEPAGE_1250 is not set
# CONFIG_NLS_CODEPAGE_1251 is not set
# CONFIG_NLS_ASCII is not set
CONFIG_NLS_ISO8859_1=y
# CONFIG_NLS_ISO8859_2 is not set
# CONFIG_NLS_ISO8859_3 is not set
# CONFIG_NLS_ISO8859_4 is not set
# CONFIG_NLS_ISO8859_5 is not set
# CONFIG_NLS_ISO8859_6 is not set
# CONFIG_NLS_ISO8859_7 is not set
# CONFIG_NLS_ISO8859_9 is not set
# CONFIG_NLS_ISO8859_13 is not set
# CONFIG_NLS_ISO8859_14 is not set
CONFIG_NLS_ISO8859_15=y
# CONFIG_NLS_KOI8_R is not set
# CONFIG_NLS_KOI8_U is not set
# CONFIG_NLS_UTF8 is not set

#
# Distributed Lock Manager
#
# CONFIG_DLM is not set

#
# Security options
#
# CONFIG_KEYS is not set
# CONFIG_SECURITY is not set
CONFIG_CRYPTO=y
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_BLKCIPHER=y
CONFIG_CRYPTO_MANAGER=y
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_XCBC is not set
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_MD4 is not set
CONFIG_CRYPTO_MD5=y
# CONFIG_CRYPTO_SHA1 is not set
# CONFIG_CRYPTO_SHA256 is not set
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_TGR192 is not set
# CONFIG_CRYPTO_GF128MUL is not set
# CONFIG_CRYPTO_ECB is not set
CONFIG_CRYPTO_CBC=y
# CONFIG_CRYPTO_PCBC is not set
# CONFIG_CRYPTO_LRW is not set
# CONFIG_CRYPTO_CRYPTD is not set
CONFIG_CRYPTO_DES=y
# CONFIG_CRYPTO_FCRYPT is not set
# CONFIG_CRYPTO_BLOWFISH is not set
# CONFIG_CRYPTO_TWOFISH is not set
# CONFIG_CRYPTO_TWOFISH_586 is not set
# CONFIG_CRYPTO_SERPENT is not set
# CONFIG_CRYPTO_AES is not set
# CONFIG_CRYPTO_AES_586 is not set
# CONFIG_CRYPTO_CAST5 is not set
# CONFIG_CRYPTO_CAST6 is not set
# CONFIG_CRYPTO_TEA is not set
# CONFIG_CRYPTO_ARC4 is not set
# CONFIG_CRYPTO_KHAZAD is not set
# CONFIG_CRYPTO_ANUBIS is not set
# CONFIG_CRYPTO_DEFLATE is not set
# CONFIG_CRYPTO_MICHAEL_MIC is not set
# CONFIG_CRYPTO_CRC32C is not set
# CONFIG_CRYPTO_CAMELLIA is not set
# CONFIG_CRYPTO_HW is not set

#
# Library routines
#
CONFIG_BITREVERSE=y
# CONFIG_CRC_CCITT is not set
# CONFIG_CRC16 is not set
# CONFIG_CRC_ITU_T is not set
CONFIG_CRC32=y
# 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

#
# Kernel hacking
#
# CONFIG_PRINTK_TIME is not set
CONFIG_ENABLE_MUST_CHECK=y
# CONFIG_UNUSED_SYMBOLS is not set
# CONFIG_DEBUG_FS is not set
# CONFIG_DEBUG_KERNEL is not set
CONFIG_DEBUG_BUGVERBOSE=y
# CONFIG_DEBUG_STACK_USAGE is not set

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Re: build error of an UML kernel with 2.6.2x sources

On Sat, Oct 06, 2007 at 03:14:25PM +0200, Toralf Förster wrote:
>   CC      arch/um/kernel/um_arch.o
>   CC      arch/um/kernel/umid.o
>   CC      arch/um/kernel/skas/clone.o
> arch/um/kernel/skas/clone.c:6:22: error: asm/page.h: No such file or directory
> make[2]: *** [arch/um/kernel/skas/clone.o] Error 1
> make[1]: *** [arch/um/kernel/skas] Error 2
> make: *** [arch/um/kernel] Error 2

Try this:

Index: linux-2.6.22/arch/um/kernel/skas/clone.c
===================================================================
--- linux-2.6.22.orig/arch/um/kernel/skas/clone.c	2007-10-05 10:42:22.000000000 -0400
+++ linux-2.6.22/arch/um/kernel/skas/clone.c	2007-10-08 10:59:29.000000000 -0400
 <at>  <at>  -3,7 +3,6  <at>  <at> 
 #include <sys/mman.h>
 #include <sys/time.h>
 #include <asm/unistd.h>
-#include <asm/page.h>
 #include "ptrace_user.h"
 #include "skas.h"
 #include "stub-data.h"

				Jeff

--

-- 
Work email - jdike at linux dot intel dot com

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