diff options
| author | Paul E. McKenney <[email protected]> | 2013-10-01 16:54:05 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <[email protected]> | 2013-10-03 17:22:36 +1000 |
| commit | d9813c3681a36774b254c0cdc9cce53c9e22c756 (patch) | |
| tree | 8aaf4c7d3f7c9984084e00476bd7d61c6230405f /tools/perf/util/trace-event-scripting.c | |
| parent | f7e3334a6bcb42e7295a9bd9cb36ca4e6e4e66b4 (diff) | |
powerpc: Fix parameter clobber in csum_partial_copy_generic()
The csum_partial_copy_generic() uses register r7 to adjust the remaining
bytes to process. Unfortunately, r7 also holds a parameter, namely the
address of the flag to set in case of access exceptions while reading
the source buffer. Lacking a quantum implementation of PowerPC, this
commit instead uses register r9 to do the adjusting, leaving r7's
pointer uncorrupted.
Signed-off-by: Paul E. McKenney <[email protected]>
Signed-off-by: Anton Blanchard <[email protected]>
Cc: [email protected]
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions