diff options
| author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2017-04-27 10:48:19 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2017-05-11 09:45:14 +1000 |
| commit | 253ce7b2cfc0bccc3470335b0d7282457926087d (patch) | |
| tree | dd65f81195f155f2819acfbfa42f8d17f8651e36 /cputlb.c | |
| parent | a1a636b8b444acacf8c4299923c907ed2475811f (diff) | |
target/ppc: Emulate LL/SC using cmpxchg helpers
Emulating LL/SC with cmpxchg is not correct, since it can suffer from
the ABA problem. However, portable parallel code is written assuming
only cmpxchg which means that in practice this is a viable alternative.
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'cputlb.c')
0 files changed, 0 insertions, 0 deletions