diff options
| author | Omar Sandoval <[email protected]> | 2017-02-01 00:02:27 -0800 |
|---|---|---|
| committer | Michael S. Tsirkin <[email protected]> | 2017-03-02 01:35:06 +0200 |
| commit | c4baad50297d84bde1a7ad45e50c73adae4a2192 (patch) | |
| tree | 2efdf37fc4b48748d19ed2e3cb8a75908581fd26 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | f889491380582b4ba2981cf0b0d7d6a40fb30ab7 (diff) | |
virtio-console: avoid DMA from stack
put_chars() stuffs the buffer it gets into an sg, but that buffer may be
on the stack. This breaks with CONFIG_VMAP_STACK=y (for me, it
manifested as printks getting turned into NUL bytes).
Signed-off-by: Omar Sandoval <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Reviewed-by: Amit Shah <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions