On Sat, 4 Mar 2006, Adrian Bunk wrote:
>
> It seems the problem is that in the CONFIG_RMW_INSNS=n case, there's no
> cmpxchg #define in include/asm-m68k/system.h required for the
> atomic_add_unless #define in include/asm-m68k/atomic.h.
Hmm. It seems like it never has been there.. Do you know what brought this
on? Was it Nick's RCU changes from "rcuref_dec_and_test()" to
"atomic_dec_and_test()" and friends?
Judging by your error messages, I _think_ it's the "atomic_inc_not_zero()"
that gets expanded to a cmpxchg() that simply doesn't exist on m68k and
never has.
I guess we've never depended on cmpxchg before. Or am I missing something?
Linus
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
