Commit dd504ea1 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

Merge branch 'master' of /home/trondmy/repositories/git/linux-2.6/

parents 5cf4cf65 0479ea0e

Documentation/DocBook/kernel-locking.tmpl

+78 −45
Original line number Diff line number Diff line
@@ -551,10 +551,12 @@ 
	<function>spin_lock_irqsave()</function>, which is a superset

	of all other spinlock primitives.

   </para>



   <table>

<title>Table of Locking Requirements</title>

<tgroup cols="11">

<tbody>



<row>

<entry></entry>

<entry>IRQ Handler A</entry>
@@ -576,97 +578,128 @@ 


<row>

<entry>IRQ Handler B</entry>

<entry>spin_lock_irqsave</entry>

<entry>SLIS</entry>

<entry>None</entry>

</row>



<row>

<entry>Softirq A</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SL</entry>

</row>



<row>

<entry>Softirq B</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SL</entry>

<entry>SL</entry>

</row>



<row>

<entry>Tasklet A</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>None</entry>

</row>



<row>

<entry>Tasklet B</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>None</entry>

</row>



<row>

<entry>Timer A</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>None</entry>

</row>



<row>

<entry>Timer B</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>spin_lock</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>SL</entry>

<entry>None</entry>

</row>



<row>

<entry>User Context A</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>None</entry>

</row>



<row>

<entry>User Context B</entry>

<entry>SLI</entry>

<entry>SLI</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>SLBH</entry>

<entry>DI</entry>

<entry>None</entry>

</row>



</tbody>

</tgroup>

</table>



   <table>

<title>Legend for Locking Requirements Table</title>

<tgroup cols="2">

<tbody>



<row>

<entry>SLIS</entry>

<entry>spin_lock_irqsave</entry>

</row>

<row>

<entry>SLI</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_irq</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

<entry>spin_lock_bh</entry>

</row>

<row>

<entry>SL</entry>

<entry>spin_lock</entry>

</row>

<row>

<entry>SLBH</entry>

<entry>spin_lock_bh</entry>

</row>

<row>

<entry>DI</entry>

<entry>down_interruptible</entry>

<entry>None</entry>

</row>



</tbody>

</tgroup>

</table>



</sect1>

</chapter>

Documentation/gpio.txt

+6 −2
Original line number Diff line number Diff line
@@ -111,7 +111,9 @@ setting up a platform_device using the GPIO, is mark its direction: 


The return value is zero for success, else a negative errno.  It should

be checked, since the get/set calls don't have error returns and since

misconfiguration is possible.  (These calls could sleep.)

misconfiguration is possible.  You should normally issue these calls from

a task context.  However, for spinlock-safe GPIOs it's OK to use them

before tasking is enabled, as part of early board setup.



For output GPIOs, the value provided becomes the initial output value.

This helps avoid signal glitching during system startup.
@@ -197,7 +199,9 @@ However, many platforms don't currently support this mechanism. 


Passing invalid GPIO numbers to gpio_request() will fail, as will requesting

GPIOs that have already been claimed with that call.  The return value of

gpio_request() must be checked.  (These calls could sleep.)

gpio_request() must be checked.  You should normally issue these calls from

a task context.  However, for spinlock-safe GPIOs it's OK to request GPIOs

before tasking is enabled, as part of early board setup.



These calls serve two basic purposes.  One is marking the signals which

are actually in use as GPIOs, for better diagnostics; systems may have

Documentation/vm/slabinfo.c

+12 −5
Original line number Diff line number Diff line
@@ -242,6 +242,9 @@ void decode_numa_list(int *numa, char *t) 


	memset(numa, 0, MAX_NODES * sizeof(int));



	if (!t)

		return;



	while (*t == 'N') {

		t++;

		node = strtoul(t, &t, 10);
@@ -386,7 +389,9 @@ void report(struct slabinfo *s) 
{

	if (strcmp(s->name, "*") == 0)

		return;

	printf("\nSlabcache: %-20s  Aliases: %2d Order : %2d\n", s->name, s->aliases, s->order);



	printf("\nSlabcache: %-20s  Aliases: %2d Order : %2d Objects: %d\n",

		s->name, s->aliases, s->order, s->objects);

	if (s->hwcache_align)

		printf("** Hardware cacheline aligned\n");

	if (s->cache_dma)
@@ -1100,6 +1105,8 @@ void output_slabs(void) 
			ops(slab);

		else if (show_slab)

			slabcache(slab);

		else if (show_report)

			report(slab);

	}

}

MAINTAINERS

+2 −2
Original line number Diff line number Diff line
@@ -2689,13 +2689,13 @@ L: i2c@lm-sensors.org 
S:	Maintained



PARALLEL PORT SUPPORT

L:	linux-parport@lists.infradead.org

L:	linux-parport@lists.infradead.org (subscribers-only)

S:	Orphan



PARIDE DRIVERS FOR PARALLEL PORT IDE DEVICES

P:	Tim Waugh

M:	tim@cyberelk.net

L:	linux-parport@lists.infradead.org

L:	linux-parport@lists.infradead.org (subscribers-only)

W:	http://www.torque.net/linux-pp.html

S:	Maintained

arch/blackfin/Kconfig

+0 −8
Original line number Diff line number Diff line
@@ -560,14 +560,6 @@ endchoice 


source "mm/Kconfig"



config LARGE_ALLOCS

	bool "Allow allocating large blocks (> 1MB) of memory"

	help

	  Allow the slab memory allocator to keep chains for very large

	  memory sizes - upto 32MB. You may need this if your system has

	  a lot of RAM, and you need to able to allocate very large

	  contiguous chunks. If unsure, say N.



config BFIN_DMA_5XX

	bool "Enable DMA Support"

	depends on (BF533 || BF532 || BF531 || BF537 || BF536 || BF534 || BF561)