kernel_optimize_test/arch/um
Richard Weinberger 57d8e02e3c um: mdd support for 64 bit atomic operations
This adds support for 64 bit atomic operations on 32 bit UML systems.  XFS
needs them since 2.6.38.

  $ make ARCH=um SUBARCH=i386
  ...
    LD      .tmp_vmlinux1
  fs/built-in.o: In function `xlog_regrant_reserve_log_space':
  xfs_log.c:(.text+0xd8584): undefined reference to `atomic64_read_386'
  xfs_log.c:(.text+0xd85ac): undefined reference to `cmpxchg8b_emu'
  ...

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=32812

Reported-by: Martin Walch <walch.martin@web.de>
Tested-by: Martin Walch <walch.martin@web.de>
Cc: Martin Walch <walch.martin@web.de>
Cc: <stable@kernel.org> [2.6.38.x 084189a: um: disable CONFIG_CMPXCHG_LOCAL]
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-28 11:28:21 -07:00
..
drivers um: remove file pointer from ioctl 2011-03-22 17:44:09 -07:00
include um: fix call tracer and bug handler 2011-04-14 16:06:56 -07:00
kernel um: Use generic show_interrupts() 2011-03-24 20:35:57 +01:00
os-Linux um: fix global timer issue when using CONFIG_NO_HZ 2010-10-26 16:52:03 -07:00
scripts
sys-i386 um: mdd support for 64 bit atomic operations 2011-04-28 11:28:21 -07:00
sys-ia64
sys-ppc um: change to new flag variables 2011-03-17 14:02:57 +01:00
sys-x86_64 uml: kernels on {i386,x86_64} produce bad coredumps 2011-03-22 17:44:09 -07:00
.gitignore um: tell git to ignore generated files 2010-03-06 11:26:28 -08:00
defconfig kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
Kconfig.char
Kconfig.common genirq: Remove the now obsolete config options and select statements 2011-03-30 14:13:23 +02:00
Kconfig.debug
Kconfig.net Fix common misspellings 2011-03-31 11:26:23 -03:00
Kconfig.rest
Kconfig.um genirq: Remove __do_IRQ 2011-01-21 11:55:31 +01:00
Kconfig.x86 um: disable CONFIG_CMPXCHG_LOCAL 2011-04-14 16:06:56 -07:00
Makefile
Makefile-i386
Makefile-ia64
Makefile-os-Linux
Makefile-ppc
Makefile-skas
Makefile-x86_64