https://github.com/torvalds/linux
Revision 9f83e45eb54fc7198dc59fc63255341851ba4c48 authored by Oleg Nesterov on 21 August 2006, 06:34:15 UTC, committed by Jens Axboe on 21 August 2006, 06:34:15 UTC
I know nothing about io scheduler, but I suspect set_task_ioprio() is not safe. current_io_context() initializes "struct io_context", then sets ->io_context. set_task_ioprio() running on another cpu may see the changes out of order, so ->set_ioprio(ioc) may use io_context which was not initialized properly. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Signed-off-by: Jens Axboe <axboe@suse.de>
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Tip revision: 9f83e45eb54fc7198dc59fc63255341851ba4c48 authored by Oleg Nesterov on 21 August 2006, 06:34:15 UTC
[PATCH] Fix current_io_context() vs set_task_ioprio() race
[PATCH] Fix current_io_context() vs set_task_ioprio() race
Tip revision: 9f83e45
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| scripts | ||
| security | ||
| sound | ||
| usr | ||
| .gitignore | -rw-r--r-- | 521 bytes |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 87.4 KB |
| Kbuild | -rw-r--r-- | 1.2 KB |
| MAINTAINERS | -rw-r--r-- | 70.9 KB |
| Makefile | -rw-r--r-- | 46.5 KB |
| README | -rw-r--r-- | 16.2 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.0 KB |
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