diff options
| author | Richard Weinberger <richard@nod.at> | 2011-04-27 15:26:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-04-28 11:28:21 -0700 |
| commit | 57d8e02e3cd21bccf2b84b26b42feb79e1f0f83e (patch) | |
| tree | ceaebd1ba52dc72b0793d60fc588f18fd5644695 /arch/um/sys-i386/Makefile | |
| parent | f755a042d82b51b54f3bdd0890e5ea56c0fb6807 (diff) | |
| download | linux-57d8e02e3cd21bccf2b84b26b42feb79e1f0f83e.tar.bz2 | |
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>
Diffstat (limited to 'arch/um/sys-i386/Makefile')
| -rw-r--r-- | arch/um/sys-i386/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile index 804b28dd0328..b1da91c1b200 100644 --- a/arch/um/sys-i386/Makefile +++ b/arch/um/sys-i386/Makefile @@ -4,7 +4,7 @@ obj-y = bug.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ ptrace_user.o setjmp.o signal.o stub.o stub_segv.o syscalls.o sysrq.o \ - sys_call_table.o tls.o + sys_call_table.o tls.o atomic64_cx8_32.o obj-$(CONFIG_BINFMT_ELF) += elfcore.o |