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locking.rst: reformat locking table

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Use a different markup for this table, in order to make it
smaller when seeing in text mode.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2017-05-11 10:45:47 -03:00
parent 7b4ff1adb5
commit 5b9fd1d3be
1 changed files with 14 additions and 23 deletions
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37
Documentation/kernel-hacking/locking.rst
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@ -319,29 +319,20 @@ Remember the advice above: you can always use
:c:func:`spin_lock_irqsave()`, which is a superset of all other
spinlock primitives.
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| | IRQ Handler A | IRQ Handler B | Softirq A | Softirq B | Tasklet A | Tasklet B | Timer A | Timer B | User Context A | User Context B |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| IRQ Handler A | None | | | | | | | | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| IRQ Handler B | SLIS | None | | | | | | | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| Softirq A | SLI | SLI | SL | | | | | | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| Softirq B | SLI | SLI | SL | SL | | | | | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| Tasklet A | SLI | SLI | SL | SL | None | | | | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| Tasklet B | SLI | SLI | SL | SL | SL | None | | | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| Timer A | SLI | SLI | SL | SL | SL | SL | None | | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| Timer B | SLI | SLI | SL | SL | SL | SL | SL | None | | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| User Context A | SLI | SLI | SLBH | SLBH | SLBH | SLBH | SLBH | SLBH | None | |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
| User Context B | SLI | SLI | SLBH | SLBH | SLBH | SLBH | SLBH | SLBH | MLI | None |
+------------------+-----------------+-----------------+-------------+-------------+-------------+-------------+-----------+-----------+------------------+------------------+
============== ============= ============= ========= ========= ========= ========= ======= ======= ============== ==============
. IRQ Handler A IRQ Handler B Softirq A Softirq B Tasklet A Tasklet B Timer A Timer B User Context A User Context B
============== ============= ============= ========= ========= ========= ========= ======= ======= ============== ==============
IRQ Handler A None
IRQ Handler B SLIS None
Softirq A SLI SLI SL
Softirq B SLI SLI SL SL
Tasklet A SLI SLI SL SL None
Tasklet B SLI SLI SL SL SL None
Timer A SLI SLI SL SL SL SL None
Timer B SLI SLI SL SL SL SL SL None
User Context A SLI SLI SLBH SLBH SLBH SLBH SLBH SLBH None
User Context B SLI SLI SLBH SLBH SLBH SLBH SLBH SLBH MLI None
============== ============= ============= ========= ========= ========= ========= ======= ======= ============== ==============
Table: Table of Locking Requirements