<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/arch/s390/kernel/debug.c, branch v2.6.25.17</title>
<subtitle>Linux kernel for Apalis and Colibri modules</subtitle>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/'/>
<entry>
<title>[S390] arch/s390/kernel/debug.c: use mutex instead of semaphore</title>
<updated>2007-05-31T15:38:11+00:00</updated>
<author>
<name>Christoph Hellwig</name>
<email>hch@lst.de</email>
</author>
<published>2007-05-31T15:38:03+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=e11f0d04c6bc6bcf301bc60c060c4ac346e61885'/>
<id>e11f0d04c6bc6bcf301bc60c060c4ac346e61885</id>
<content type='text'>
Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[S390] strlcpy is smart enough</title>
<updated>2007-03-19T12:18:53+00:00</updated>
<author>
<name>Jean Delvare</name>
<email>khali@linux-fr.org</email>
</author>
<published>2007-03-19T12:18:53+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=20cb9e79b963b8f5142e4dd946baf44a75e7935f'/>
<id>20cb9e79b963b8f5142e4dd946baf44a75e7935f</id>
<content type='text'>
strlcpy already accounts for the trailing zero in its length
computation, so there is no need to substract one to the buffer size.

Signed-off-by: Jean Delvare &lt;khali@linux-fr.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
strlcpy already accounts for the trailing zero in its length
computation, so there is no need to substract one to the buffer size.

Signed-off-by: Jean Delvare &lt;khali@linux-fr.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] sysctl: remove insert_at_head from register_sysctl</title>
<updated>2007-02-14T16:09:59+00:00</updated>
<author>
<name>Eric W. Biederman</name>
<email>ebiederm@xmission.com</email>
</author>
<published>2007-02-14T08:34:09+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=0b4d414714f0d2f922d39424b0c5c82ad900a381'/>
<id>0b4d414714f0d2f922d39424b0c5c82ad900a381</id>
<content type='text'>
The semantic effect of insert_at_head is that it would allow new registered
sysctl entries to override existing sysctl entries of the same name.  Which is
pain for caching and the proc interface never implemented.

I have done an audit and discovered that none of the current users of
register_sysctl care as (excpet for directories) they do not register
duplicate sysctl entries.

So this patch simply removes the support for overriding existing entries in
the sys_sysctl interface since no one uses it or cares and it makes future
enhancments harder.

Signed-off-by: Eric W. Biederman &lt;ebiederm@xmission.com&gt;
Acked-by: Ralf Baechle &lt;ralf@linux-mips.org&gt;
Acked-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Cc: Russell King &lt;rmk@arm.linux.org.uk&gt;
Cc: David Howells &lt;dhowells@redhat.com&gt;
Cc: "Luck, Tony" &lt;tony.luck@intel.com&gt;
Cc: Ralf Baechle &lt;ralf@linux-mips.org&gt;
Cc: Paul Mackerras &lt;paulus@samba.org&gt;
Cc: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Cc: Andi Kleen &lt;ak@muc.de&gt;
Cc: Jens Axboe &lt;axboe@kernel.dk&gt;
Cc: Corey Minyard &lt;minyard@acm.org&gt;
Cc: Neil Brown &lt;neilb@suse.de&gt;
Cc: "John W. Linville" &lt;linville@tuxdriver.com&gt;
Cc: James Bottomley &lt;James.Bottomley@steeleye.com&gt;
Cc: Jan Kara &lt;jack@ucw.cz&gt;
Cc: Trond Myklebust &lt;trond.myklebust@fys.uio.no&gt;
Cc: Mark Fasheh &lt;mark.fasheh@oracle.com&gt;
Cc: David Chinner &lt;dgc@sgi.com&gt;
Cc: "David S. Miller" &lt;davem@davemloft.net&gt;
Cc: Patrick McHardy &lt;kaber@trash.net&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The semantic effect of insert_at_head is that it would allow new registered
sysctl entries to override existing sysctl entries of the same name.  Which is
pain for caching and the proc interface never implemented.

I have done an audit and discovered that none of the current users of
register_sysctl care as (excpet for directories) they do not register
duplicate sysctl entries.

So this patch simply removes the support for overriding existing entries in
the sys_sysctl interface since no one uses it or cares and it makes future
enhancments harder.

Signed-off-by: Eric W. Biederman &lt;ebiederm@xmission.com&gt;
Acked-by: Ralf Baechle &lt;ralf@linux-mips.org&gt;
Acked-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Cc: Russell King &lt;rmk@arm.linux.org.uk&gt;
Cc: David Howells &lt;dhowells@redhat.com&gt;
Cc: "Luck, Tony" &lt;tony.luck@intel.com&gt;
Cc: Ralf Baechle &lt;ralf@linux-mips.org&gt;
Cc: Paul Mackerras &lt;paulus@samba.org&gt;
Cc: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Cc: Andi Kleen &lt;ak@muc.de&gt;
Cc: Jens Axboe &lt;axboe@kernel.dk&gt;
Cc: Corey Minyard &lt;minyard@acm.org&gt;
Cc: Neil Brown &lt;neilb@suse.de&gt;
Cc: "John W. Linville" &lt;linville@tuxdriver.com&gt;
Cc: James Bottomley &lt;James.Bottomley@steeleye.com&gt;
Cc: Jan Kara &lt;jack@ucw.cz&gt;
Cc: Trond Myklebust &lt;trond.myklebust@fys.uio.no&gt;
Cc: Mark Fasheh &lt;mark.fasheh@oracle.com&gt;
Cc: David Chinner &lt;dgc@sgi.com&gt;
Cc: "David S. Miller" &lt;davem@davemloft.net&gt;
Cc: Patrick McHardy &lt;kaber@trash.net&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] sysctl: s390: remove unnecessary use of insert_at_head</title>
<updated>2007-02-14T16:09:57+00:00</updated>
<author>
<name>Eric W. Biederman</name>
<email>ebiederm@xmission.com</email>
</author>
<published>2007-02-14T08:33:46+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=481f7337a1316c11b357ab838653f7f9254643be'/>
<id>481f7337a1316c11b357ab838653f7f9254643be</id>
<content type='text'>
Signed-off-by: Eric W. Biederman &lt;ebiederm@xmission.com&gt;
Acked-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Signed-off-by: Eric W. Biederman &lt;ebiederm@xmission.com&gt;
Acked-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] sysctl: s390: move sysctl definitions to sysctl.h</title>
<updated>2007-02-14T16:09:57+00:00</updated>
<author>
<name>Eric W. Biederman</name>
<email>ebiederm@xmission.com</email>
</author>
<published>2007-02-14T08:33:45+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=feceb63ec589380f2125edcb70127e6a635af1cc'/>
<id>feceb63ec589380f2125edcb70127e6a635af1cc</id>
<content type='text'>
We need to have the the definition of all top level sysctl directories
registers in sysctl.h so we don't conflict by accident and cause abi problems.

Signed-off-by: Eric W. Biederman &lt;ebiederm@xmission.com&gt;
Acked-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
We need to have the the definition of all top level sysctl directories
registers in sysctl.h so we don't conflict by accident and cause abi problems.

Signed-off-by: Eric W. Biederman &lt;ebiederm@xmission.com&gt;
Acked-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] mark struct file_operations const 2</title>
<updated>2007-02-12T17:48:44+00:00</updated>
<author>
<name>Arjan van de Ven</name>
<email>arjan@linux.intel.com</email>
</author>
<published>2007-02-12T08:55:31+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=5dfe4c964a0dd7bb3a1d64a4166835a153146207'/>
<id>5dfe4c964a0dd7bb3a1d64a4166835a153146207</id>
<content type='text'>
Many struct file_operations in the kernel can be "const".  Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data.  In addition it'll catch accidental writes at compile time to
these shared resources.

[akpm@osdl.org: sparc64 fix]
Signed-off-by: Arjan van de Ven &lt;arjan@linux.intel.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Many struct file_operations in the kernel can be "const".  Marking them const
moves these to the .rodata section, which avoids false sharing with potential
dirty data.  In addition it'll catch accidental writes at compile time to
these shared resources.

[akpm@osdl.org: sparc64 fix]
Signed-off-by: Arjan van de Ven &lt;arjan@linux.intel.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[S390] Get rid of a lot of sparse warnings.</title>
<updated>2007-02-05T20:16:47+00:00</updated>
<author>
<name>Heiko Carstens</name>
<email>heiko.carstens@de.ibm.com</email>
</author>
<published>2007-02-05T20:16:47+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=2b67fc46061b2171fb8fbb55d1ac717abd533569'/>
<id>2b67fc46061b2171fb8fbb55d1ac717abd533569</id>
<content type='text'>
Signed-off-by: Heiko Carstens &lt;heiko.carstens@de.ibm.com&gt;
Signed-off-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Signed-off-by: Heiko Carstens &lt;heiko.carstens@de.ibm.com&gt;
Signed-off-by: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] getting rid of all casts of k[cmz]alloc() calls</title>
<updated>2006-12-13T17:05:58+00:00</updated>
<author>
<name>Robert P. J. Day</name>
<email>rpjday@mindspring.com</email>
</author>
<published>2006-12-13T08:35:56+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=5cbded585d129d0226cb48ac4202b253c781be26'/>
<id>5cbded585d129d0226cb48ac4202b253c781be26</id>
<content type='text'>
Run this:

	#!/bin/sh
	for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do
	  echo "De-casting $f..."
	  perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f
	done

And then go through and reinstate those cases where code is casting pointers
to non-pointers.

And then drop a few hunks which conflicted with outstanding work.

Cc: Russell King &lt;rmk@arm.linux.org.uk&gt;, Ian Molton &lt;spyro@f2s.com&gt;
Cc: Mikael Starvik &lt;starvik@axis.com&gt;
Cc: Yoshinori Sato &lt;ysato@users.sourceforge.jp&gt;
Cc: Roman Zippel &lt;zippel@linux-m68k.org&gt;
Cc: Geert Uytterhoeven &lt;geert@linux-m68k.org&gt;
Cc: Ralf Baechle &lt;ralf@linux-mips.org&gt;
Cc: Paul Mackerras &lt;paulus@samba.org&gt;
Cc: Kyle McMartin &lt;kyle@mcmartin.ca&gt;
Cc: Benjamin Herrenschmidt &lt;benh@kernel.crashing.org&gt;
Cc: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Cc: "David S. Miller" &lt;davem@davemloft.net&gt;
Cc: Jeff Dike &lt;jdike@addtoit.com&gt;
Cc: Greg KH &lt;greg@kroah.com&gt;
Cc: Jens Axboe &lt;jens.axboe@oracle.com&gt;
Cc: Paul Fulghum &lt;paulkf@microgate.com&gt;
Cc: Alan Cox &lt;alan@lxorguk.ukuu.org.uk&gt;
Cc: Karsten Keil &lt;kkeil@suse.de&gt;
Cc: Mauro Carvalho Chehab &lt;mchehab@infradead.org&gt;
Cc: Jeff Garzik &lt;jeff@garzik.org&gt;
Cc: James Bottomley &lt;James.Bottomley@steeleye.com&gt;
Cc: Ian Kent &lt;raven@themaw.net&gt;
Cc: Steven French &lt;sfrench@us.ibm.com&gt;
Cc: David Woodhouse &lt;dwmw2@infradead.org&gt;
Cc: Neil Brown &lt;neilb@cse.unsw.edu.au&gt;
Cc: Jaroslav Kysela &lt;perex@suse.cz&gt;
Cc: Takashi Iwai &lt;tiwai@suse.de&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Run this:

	#!/bin/sh
	for f in $(grep -Erl "\([^\)]*\) *k[cmz]alloc" *) ; do
	  echo "De-casting $f..."
	  perl -pi -e "s/ ?= ?\([^\)]*\) *(k[cmz]alloc) *\(/ = \1\(/" $f
	done

And then go through and reinstate those cases where code is casting pointers
to non-pointers.

And then drop a few hunks which conflicted with outstanding work.

Cc: Russell King &lt;rmk@arm.linux.org.uk&gt;, Ian Molton &lt;spyro@f2s.com&gt;
Cc: Mikael Starvik &lt;starvik@axis.com&gt;
Cc: Yoshinori Sato &lt;ysato@users.sourceforge.jp&gt;
Cc: Roman Zippel &lt;zippel@linux-m68k.org&gt;
Cc: Geert Uytterhoeven &lt;geert@linux-m68k.org&gt;
Cc: Ralf Baechle &lt;ralf@linux-mips.org&gt;
Cc: Paul Mackerras &lt;paulus@samba.org&gt;
Cc: Kyle McMartin &lt;kyle@mcmartin.ca&gt;
Cc: Benjamin Herrenschmidt &lt;benh@kernel.crashing.org&gt;
Cc: Martin Schwidefsky &lt;schwidefsky@de.ibm.com&gt;
Cc: "David S. Miller" &lt;davem@davemloft.net&gt;
Cc: Jeff Dike &lt;jdike@addtoit.com&gt;
Cc: Greg KH &lt;greg@kroah.com&gt;
Cc: Jens Axboe &lt;jens.axboe@oracle.com&gt;
Cc: Paul Fulghum &lt;paulkf@microgate.com&gt;
Cc: Alan Cox &lt;alan@lxorguk.ukuu.org.uk&gt;
Cc: Karsten Keil &lt;kkeil@suse.de&gt;
Cc: Mauro Carvalho Chehab &lt;mchehab@infradead.org&gt;
Cc: Jeff Garzik &lt;jeff@garzik.org&gt;
Cc: James Bottomley &lt;James.Bottomley@steeleye.com&gt;
Cc: Ian Kent &lt;raven@themaw.net&gt;
Cc: Steven French &lt;sfrench@us.ibm.com&gt;
Cc: David Woodhouse &lt;dwmw2@infradead.org&gt;
Cc: Neil Brown &lt;neilb@cse.unsw.edu.au&gt;
Cc: Jaroslav Kysela &lt;perex@suse.cz&gt;
Cc: Takashi Iwai &lt;tiwai@suse.de&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] struct path: convert s390</title>
<updated>2006-12-08T16:28:49+00:00</updated>
<author>
<name>Josef Sipek</name>
<email>jsipek@fsl.cs.sunysb.edu</email>
</author>
<published>2006-12-08T10:37:35+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=d20343e7406a114a561030e683fafc4fdbc9c6bd'/>
<id>d20343e7406a114a561030e683fafc4fdbc9c6bd</id>
<content type='text'>
Signed-off-by: Josef Sipek &lt;jsipek@fsl.cs.sunysb.edu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Signed-off-by: Josef Sipek &lt;jsipek@fsl.cs.sunysb.edu&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[PATCH] inode_diet: Replace inode.u.generic_ip with inode.i_private</title>
<updated>2006-09-27T15:26:17+00:00</updated>
<author>
<name>Theodore Ts'o</name>
<email>tytso@mit.edu</email>
</author>
<published>2006-09-27T08:50:46+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=8e18e2941c53416aa219708e7dcad21fb4bd6794'/>
<id>8e18e2941c53416aa219708e7dcad21fb4bd6794</id>
<content type='text'>
The following patches reduce the size of the VFS inode structure by 28 bytes
on a UP x86.  (It would be more on an x86_64 system).  This is a 10% reduction
in the inode size on a UP kernel that is configured in a production mode
(i.e., with no spinlock or other debugging functions enabled; if you want to
save memory taken up by in-core inodes, the first thing you should do is
disable the debugging options; they are responsible for a huge amount of bloat
in the VFS inode structure).

This patch:

The filesystem or device-specific pointer in the inode is inside a union,
which is pretty pointless given that all 30+ users of this field have been
using the void pointer.  Get rid of the union and rename it to i_private, with
a comment to explain who is allowed to use the void pointer.  This is just a
cleanup, but it allows us to reuse the union 'u' for something something where
the union will actually be used.

[judith@osdl.org: powerpc build fix]
Signed-off-by: "Theodore Ts'o" &lt;tytso@mit.edu&gt;
Signed-off-by: Judith Lebzelter &lt;judith@osdl.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The following patches reduce the size of the VFS inode structure by 28 bytes
on a UP x86.  (It would be more on an x86_64 system).  This is a 10% reduction
in the inode size on a UP kernel that is configured in a production mode
(i.e., with no spinlock or other debugging functions enabled; if you want to
save memory taken up by in-core inodes, the first thing you should do is
disable the debugging options; they are responsible for a huge amount of bloat
in the VFS inode structure).

This patch:

The filesystem or device-specific pointer in the inode is inside a union,
which is pretty pointless given that all 30+ users of this field have been
using the void pointer.  Get rid of the union and rename it to i_private, with
a comment to explain who is allowed to use the void pointer.  This is just a
cleanup, but it allows us to reuse the union 'u' for something something where
the union will actually be used.

[judith@osdl.org: powerpc build fix]
Signed-off-by: "Theodore Ts'o" &lt;tytso@mit.edu&gt;
Signed-off-by: Judith Lebzelter &lt;judith@osdl.org&gt;
Signed-off-by: Andrew Morton &lt;akpm@osdl.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@osdl.org&gt;
</pre>
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</content>
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