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-rw-r--r--Documentation/DocBook/kernel-locking.tmpl123
1 files changed, 78 insertions, 45 deletions
diff --git a/Documentation/DocBook/kernel-locking.tmpl b/Documentation/DocBook/kernel-locking.tmpl
index 644c3884fab9..0a441f73261a 100644
--- a/Documentation/DocBook/kernel-locking.tmpl
+++ b/Documentation/DocBook/kernel-locking.tmpl
@@ -551,10 +551,12 @@
551 <function>spin_lock_irqsave()</function>, which is a superset 551 <function>spin_lock_irqsave()</function>, which is a superset
552 of all other spinlock primitives. 552 of all other spinlock primitives.
553 </para> 553 </para>
554
554 <table> 555 <table>
555<title>Table of Locking Requirements</title> 556<title>Table of Locking Requirements</title>
556<tgroup cols="11"> 557<tgroup cols="11">
557<tbody> 558<tbody>
559
558<row> 560<row>
559<entry></entry> 561<entry></entry>
560<entry>IRQ Handler A</entry> 562<entry>IRQ Handler A</entry>
@@ -576,97 +578,128 @@
576 578
577<row> 579<row>
578<entry>IRQ Handler B</entry> 580<entry>IRQ Handler B</entry>
579<entry>spin_lock_irqsave</entry> 581<entry>SLIS</entry>
580<entry>None</entry> 582<entry>None</entry>
581</row> 583</row>
582 584
583<row> 585<row>
584<entry>Softirq A</entry> 586<entry>Softirq A</entry>
585<entry>spin_lock_irq</entry> 587<entry>SLI</entry>
586<entry>spin_lock_irq</entry> 588<entry>SLI</entry>
587<entry>spin_lock</entry> 589<entry>SL</entry>
588</row> 590</row>
589 591
590<row> 592<row>
591<entry>Softirq B</entry> 593<entry>Softirq B</entry>
592<entry>spin_lock_irq</entry> 594<entry>SLI</entry>
593<entry>spin_lock_irq</entry> 595<entry>SLI</entry>
594<entry>spin_lock</entry> 596<entry>SL</entry>
595<entry>spin_lock</entry> 597<entry>SL</entry>
596</row> 598</row>
597 599
598<row> 600<row>
599<entry>Tasklet A</entry> 601<entry>Tasklet A</entry>
600<entry>spin_lock_irq</entry> 602<entry>SLI</entry>
601<entry>spin_lock_irq</entry> 603<entry>SLI</entry>
602<entry>spin_lock</entry> 604<entry>SL</entry>
603<entry>spin_lock</entry> 605<entry>SL</entry>
604<entry>None</entry> 606<entry>None</entry>
605</row> 607</row>
606 608
607<row> 609<row>
608<entry>Tasklet B</entry> 610<entry>Tasklet B</entry>
609<entry>spin_lock_irq</entry> 611<entry>SLI</entry>
610<entry>spin_lock_irq</entry> 612<entry>SLI</entry>
611<entry>spin_lock</entry> 613<entry>SL</entry>
612<entry>spin_lock</entry> 614<entry>SL</entry>
613<entry>spin_lock</entry> 615<entry>SL</entry>
614<entry>None</entry> 616<entry>None</entry>
615</row> 617</row>
616 618
617<row> 619<row>
618<entry>Timer A</entry> 620<entry>Timer A</entry>
619<entry>spin_lock_irq</entry> 621<entry>SLI</entry>
620<entry>spin_lock_irq</entry> 622<entry>SLI</entry>
621<entry>spin_lock</entry> 623<entry>SL</entry>
622<entry>spin_lock</entry> 624<entry>SL</entry>
623<entry>spin_lock</entry> 625<entry>SL</entry>
624<entry>spin_lock</entry> 626<entry>SL</entry>
625<entry>None</entry> 627<entry>None</entry>
626</row> 628</row>
627 629
628<row> 630<row>
629<entry>Timer B</entry> 631<entry>Timer B</entry>
630<entry>spin_lock_irq</entry> 632<entry>SLI</entry>
631<entry>spin_lock_irq</entry> 633<entry>SLI</entry>
632<entry>spin_lock</entry> 634<entry>SL</entry>
633<entry>spin_lock</entry> 635<entry>SL</entry>
634<entry>spin_lock</entry> 636<entry>SL</entry>
635<entry>spin_lock</entry> 637<entry>SL</entry>
636<entry>spin_lock</entry> 638<entry>SL</entry>
637<entry>None</entry> 639<entry>None</entry>
638</row> 640</row>
639 641
640<row> 642<row>
641<entry>User Context A</entry> 643<entry>User Context A</entry>
642<entry>spin_lock_irq</entry> 644<entry>SLI</entry>
643<entry>spin_lock_irq</entry> 645<entry>SLI</entry>
644<entry>spin_lock_bh</entry> 646<entry>SLBH</entry>
645<entry>spin_lock_bh</entry> 647<entry>SLBH</entry>
646<entry>spin_lock_bh</entry> 648<entry>SLBH</entry>
647<entry>spin_lock_bh</entry> 649<entry>SLBH</entry>
648<entry>spin_lock_bh</entry> 650<entry>SLBH</entry>
649<entry>spin_lock_bh</entry> 651<entry>SLBH</entry>
650<entry>None</entry> 652<entry>None</entry>
651</row> 653</row>
652 654
653<row> 655<row>
654<entry>User Context B</entry> 656<entry>User Context B</entry>
657<entry>SLI</entry>
658<entry>SLI</entry>
659<entry>SLBH</entry>
660<entry>SLBH</entry>
661<entry>SLBH</entry>
662<entry>SLBH</entry>
663<entry>SLBH</entry>
664<entry>SLBH</entry>
665<entry>DI</entry>
666<entry>None</entry>
667</row>
668
669</tbody>
670</tgroup>
671</table>
672
673 <table>
674<title>Legend for Locking Requirements Table</title>
675<tgroup cols="2">
676<tbody>
677
678<row>
679<entry>SLIS</entry>
680<entry>spin_lock_irqsave</entry>
681</row>
682<row>
683<entry>SLI</entry>
655<entry>spin_lock_irq</entry> 684<entry>spin_lock_irq</entry>
656<entry>spin_lock_irq</entry> 685</row>
657<entry>spin_lock_bh</entry> 686<row>
658<entry>spin_lock_bh</entry> 687<entry>SL</entry>
659<entry>spin_lock_bh</entry> 688<entry>spin_lock</entry>
660<entry>spin_lock_bh</entry> 689</row>
661<entry>spin_lock_bh</entry> 690<row>
691<entry>SLBH</entry>
662<entry>spin_lock_bh</entry> 692<entry>spin_lock_bh</entry>
693</row>
694<row>
695<entry>DI</entry>
663<entry>down_interruptible</entry> 696<entry>down_interruptible</entry>
664<entry>None</entry>
665</row> 697</row>
666 698
667</tbody> 699</tbody>
668</tgroup> 700</tgroup>
669</table> 701</table>
702
670</sect1> 703</sect1>
671</chapter> 704</chapter>
672 705