| commit | 06e4529f78bc08293fe8b459715e5aa24cd3ebb7 | [log] [tgz] |
|---|---|---|
| author | Peter Zijlstra <peterz@infradead.org> | Thu Sep 22 11:55:13 2016 +0200 |
| committer | Peter Zijlstra <peterz@infradead.org> | Wed Nov 29 09:22:04 2023 +0100 |
| tree | 37fe7d9d4b9587008cdffb3dc928ee5e3d51b7ed | |
| parent | 84628b60f98e97c85be54273bf529452a88e5dc8 [diff] |
early_printk: Add simple serialization to early_vprintk() In order to avoid multiple CPUs banging on the serial port at the same time, add simple serialization. This explicitly deals with nested contexts (like IRQs etc.). Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>