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> |
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.. | ||
asm | ||
shared/sysdep | ||
Makefile | ||
atomic64_cx8_32.S | ||
bug.c | ||
bugs.c | ||
checksum.S | ||
delay.c | ||
elfcore.c | ||
fault.c | ||
ksyms.c | ||
ldt.c | ||
ptrace.c | ||
ptrace_user.c | ||
setjmp.S | ||
signal.c | ||
stub.S | ||
stub_segv.c | ||
sys_call_table.S | ||
syscalls.c | ||
sysrq.c | ||
tls.c | ||
user-offsets.c |