<feed xmlns='http://www.w3.org/2005/Atom'>
<title>linux-toradex.git/arch/ia64, branch v3.6.1</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>[IA64] defconfig: Remove CONFIG_MISC_DEVICES</title>
<updated>2012-08-20T20:04:29+00:00</updated>
<author>
<name>Fabio Estevam</name>
<email>fabio.estevam@freescale.com</email>
</author>
<published>2012-08-18T16:23:49+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=7c3ea4859ae132d61594320e148b0348f03c0edc'/>
<id>7c3ea4859ae132d61594320e148b0348f03c0edc</id>
<content type='text'>
commit 7c5763b845 (drivers:misc: Remove MISC_DEVICES config option) removed
CONFIG_MISC_DEVICES option, so remove the occurrences from the config files
as well.

Signed-off-by: Fabio Estevam &lt;fabio.estevam@freescale.com&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
commit 7c5763b845 (drivers:misc: Remove MISC_DEVICES config option) removed
CONFIG_MISC_DEVICES option, so remove the occurrences from the config files
as well.

Signed-off-by: Fabio Estevam &lt;fabio.estevam@freescale.com&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>ACPI: Only count valid srat memory structures</title>
<updated>2012-08-03T04:15:53+00:00</updated>
<author>
<name>Thomas Renninger</name>
<email>trenn@suse.de</email>
</author>
<published>2012-07-31T15:41:09+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=095adbb6441172985f5ddc3b9e88cb3191bdeac4'/>
<id>095adbb6441172985f5ddc3b9e88cb3191bdeac4</id>
<content type='text'>
Otherwise you could run into:
WARN_ON in numa_register_memblks(), because node_possible_map is zero

References: https://bugzilla.novell.com/show_bug.cgi?id=757888

On this machine (ProLiant ML570 G3) the SRAT table contains:
  - No processor affinities
  - One memory affinity structure (which is set disabled)

CC: Per Jessen &lt;per@opensuse.org&gt;
CC: Andi Kleen &lt;andi@firstfloor.org&gt;
Signed-off-by: Thomas Renninger &lt;trenn@suse.de&gt;
Signed-off-by: Len Brown &lt;len.brown@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Otherwise you could run into:
WARN_ON in numa_register_memblks(), because node_possible_map is zero

References: https://bugzilla.novell.com/show_bug.cgi?id=757888

On this machine (ProLiant ML570 G3) the SRAT table contains:
  - No processor affinities
  - One memory affinity structure (which is set disabled)

CC: Per Jessen &lt;per@opensuse.org&gt;
CC: Andi Kleen &lt;andi@firstfloor.org&gt;
Signed-off-by: Thomas Renninger &lt;trenn@suse.de&gt;
Signed-off-by: Len Brown &lt;len.brown@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge branch 'akpm' (Andrew's patch-bomb)</title>
<updated>2012-08-01T02:25:39+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2012-08-01T02:25:39+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=ac694dbdbc403c00e2c14d10bc7b8412cc378259'/>
<id>ac694dbdbc403c00e2c14d10bc7b8412cc378259</id>
<content type='text'>
Merge Andrew's second set of patches:
 - MM
 - a few random fixes
 - a couple of RTC leftovers

* emailed patches from Andrew Morton &lt;akpm@linux-foundation.org&gt;: (120 commits)
  rtc/rtc-88pm80x: remove unneed devm_kfree
  rtc/rtc-88pm80x: assign ret only when rtc_register_driver fails
  mm: hugetlbfs: close race during teardown of hugetlbfs shared page tables
  tmpfs: distribute interleave better across nodes
  mm: remove redundant initialization
  mm: warn if pg_data_t isn't initialized with zero
  mips: zero out pg_data_t when it's allocated
  memcg: gix memory accounting scalability in shrink_page_list
  mm/sparse: remove index_init_lock
  mm/sparse: more checks on mem_section number
  mm/sparse: optimize sparse_index_alloc
  memcg: add mem_cgroup_from_css() helper
  memcg: further prevent OOM with too many dirty pages
  memcg: prevent OOM with too many dirty pages
  mm: mmu_notifier: fix freed page still mapped in secondary MMU
  mm: memcg: only check anon swapin page charges for swap cache
  mm: memcg: only check swap cache pages for repeated charging
  mm: memcg: split swapin charge function into private and public part
  mm: memcg: remove needless !mm fixup to init_mm when charging
  mm: memcg: remove unneeded shmem charge type
  ...
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Merge Andrew's second set of patches:
 - MM
 - a few random fixes
 - a couple of RTC leftovers

* emailed patches from Andrew Morton &lt;akpm@linux-foundation.org&gt;: (120 commits)
  rtc/rtc-88pm80x: remove unneed devm_kfree
  rtc/rtc-88pm80x: assign ret only when rtc_register_driver fails
  mm: hugetlbfs: close race during teardown of hugetlbfs shared page tables
  tmpfs: distribute interleave better across nodes
  mm: remove redundant initialization
  mm: warn if pg_data_t isn't initialized with zero
  mips: zero out pg_data_t when it's allocated
  memcg: gix memory accounting scalability in shrink_page_list
  mm/sparse: remove index_init_lock
  mm/sparse: more checks on mem_section number
  mm/sparse: optimize sparse_index_alloc
  memcg: add mem_cgroup_from_css() helper
  memcg: further prevent OOM with too many dirty pages
  memcg: prevent OOM with too many dirty pages
  mm: mmu_notifier: fix freed page still mapped in secondary MMU
  mm: memcg: only check anon swapin page charges for swap cache
  mm: memcg: only check swap cache pages for repeated charging
  mm: memcg: split swapin charge function into private and public part
  mm: memcg: remove needless !mm fixup to init_mm when charging
  mm: memcg: remove unneeded shmem charge type
  ...
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random</title>
<updated>2012-08-01T02:07:42+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2012-08-01T02:07:42+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=3e9a97082fa639394e905e1fc4a0a7f719ca7644'/>
<id>3e9a97082fa639394e905e1fc4a0a7f719ca7644</id>
<content type='text'>
Pull random subsystem patches from Ted Ts'o:
 "This patch series contains a major revamp of how we collect entropy
  from interrupts for /dev/random and /dev/urandom.

  The goal is to addresses weaknesses discussed in the paper "Mining
  your Ps and Qs: Detection of Widespread Weak Keys in Network Devices",
  by Nadia Heninger, Zakir Durumeric, Eric Wustrow, J.  Alex Halderman,
  which will be published in the Proceedings of the 21st Usenix Security
  Symposium, August 2012.  (See https://factorable.net for more
  information and an extended version of the paper.)"

Fix up trivial conflicts due to nearby changes in
drivers/{mfd/ab3100-core.c, usb/gadget/omap_udc.c}

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: (33 commits)
  random: mix in architectural randomness in extract_buf()
  dmi: Feed DMI table to /dev/random driver
  random: Add comment to random_initialize()
  random: final removal of IRQF_SAMPLE_RANDOM
  um: remove IRQF_SAMPLE_RANDOM which is now a no-op
  sparc/ldc: remove IRQF_SAMPLE_RANDOM which is now a no-op
  [ARM] pxa: remove IRQF_SAMPLE_RANDOM which is now a no-op
  board-palmz71: remove IRQF_SAMPLE_RANDOM which is now a no-op
  isp1301_omap: remove IRQF_SAMPLE_RANDOM which is now a no-op
  pxa25x_udc: remove IRQF_SAMPLE_RANDOM which is now a no-op
  omap_udc: remove IRQF_SAMPLE_RANDOM which is now a no-op
  goku_udc: remove IRQF_SAMPLE_RANDOM which was commented out
  uartlite: remove IRQF_SAMPLE_RANDOM which is now a no-op
  drivers: hv: remove IRQF_SAMPLE_RANDOM which is now a no-op
  xen-blkfront: remove IRQF_SAMPLE_RANDOM which is now a no-op
  n2_crypto: remove IRQF_SAMPLE_RANDOM which is now a no-op
  pda_power: remove IRQF_SAMPLE_RANDOM which is now a no-op
  i2c-pmcmsp: remove IRQF_SAMPLE_RANDOM which is now a no-op
  input/serio/hp_sdc.c: remove IRQF_SAMPLE_RANDOM which is now a no-op
  mfd: remove IRQF_SAMPLE_RANDOM which is now a no-op
  ...
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull random subsystem patches from Ted Ts'o:
 "This patch series contains a major revamp of how we collect entropy
  from interrupts for /dev/random and /dev/urandom.

  The goal is to addresses weaknesses discussed in the paper "Mining
  your Ps and Qs: Detection of Widespread Weak Keys in Network Devices",
  by Nadia Heninger, Zakir Durumeric, Eric Wustrow, J.  Alex Halderman,
  which will be published in the Proceedings of the 21st Usenix Security
  Symposium, August 2012.  (See https://factorable.net for more
  information and an extended version of the paper.)"

Fix up trivial conflicts due to nearby changes in
drivers/{mfd/ab3100-core.c, usb/gadget/omap_udc.c}

* tag 'random_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: (33 commits)
  random: mix in architectural randomness in extract_buf()
  dmi: Feed DMI table to /dev/random driver
  random: Add comment to random_initialize()
  random: final removal of IRQF_SAMPLE_RANDOM
  um: remove IRQF_SAMPLE_RANDOM which is now a no-op
  sparc/ldc: remove IRQF_SAMPLE_RANDOM which is now a no-op
  [ARM] pxa: remove IRQF_SAMPLE_RANDOM which is now a no-op
  board-palmz71: remove IRQF_SAMPLE_RANDOM which is now a no-op
  isp1301_omap: remove IRQF_SAMPLE_RANDOM which is now a no-op
  pxa25x_udc: remove IRQF_SAMPLE_RANDOM which is now a no-op
  omap_udc: remove IRQF_SAMPLE_RANDOM which is now a no-op
  goku_udc: remove IRQF_SAMPLE_RANDOM which was commented out
  uartlite: remove IRQF_SAMPLE_RANDOM which is now a no-op
  drivers: hv: remove IRQF_SAMPLE_RANDOM which is now a no-op
  xen-blkfront: remove IRQF_SAMPLE_RANDOM which is now a no-op
  n2_crypto: remove IRQF_SAMPLE_RANDOM which is now a no-op
  pda_power: remove IRQF_SAMPLE_RANDOM which is now a no-op
  i2c-pmcmsp: remove IRQF_SAMPLE_RANDOM which is now a no-op
  input/serio/hp_sdc.c: remove IRQF_SAMPLE_RANDOM which is now a no-op
  mfd: remove IRQF_SAMPLE_RANDOM which is now a no-op
  ...
</pre>
</div>
</content>
</entry>
<entry>
<title>mm: account the total_vm in the vm_stat_account()</title>
<updated>2012-08-01T01:42:39+00:00</updated>
<author>
<name>Huang Shijie</name>
<email>shijie8@gmail.com</email>
</author>
<published>2012-07-31T23:41:49+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=44de9d0cad41f2c51ef26916842be046b582dcc9'/>
<id>44de9d0cad41f2c51ef26916842be046b582dcc9</id>
<content type='text'>
vm_stat_account() accounts the shared_vm, stack_vm and reserved_vm now.
But we can also account for total_vm in the vm_stat_account() which makes
the code tidy.

Even for mprotect_fixup(), we can get the right result in the end.

Signed-off-by: Huang Shijie &lt;shijie8@gmail.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>
vm_stat_account() accounts the shared_vm, stack_vm and reserved_vm now.
But we can also account for total_vm in the vm_stat_account() which makes
the code tidy.

Even for mprotect_fixup(), we can get the right result in the end.

Signed-off-by: Huang Shijie &lt;shijie8@gmail.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>Merge tag 'please-pull-ia64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux</title>
<updated>2012-07-30T20:22:19+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2012-07-30T20:22:19+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=6d8a97af63222c5cbc7fe63ae19345e74e153e90'/>
<id>6d8a97af63222c5cbc7fe63ae19345e74e153e90</id>
<content type='text'>
Pull misc ia64 build fixes from Tony Luck.

* tag 'please-pull-ia64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Redefine ATOMIC_INIT and ATOMIC64_INIT to drop the casts
  [IA64] Rename platform_name to ia64_platform_name
  [IA64] Mark PARAVIRT and KVM as broken
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Pull misc ia64 build fixes from Tony Luck.

* tag 'please-pull-ia64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  [IA64] Redefine ATOMIC_INIT and ATOMIC64_INIT to drop the casts
  [IA64] Rename platform_name to ia64_platform_name
  [IA64] Mark PARAVIRT and KVM as broken
</pre>
</div>
</content>
</entry>
<entry>
<title>[IA64] Redefine ATOMIC_INIT and ATOMIC64_INIT to drop the casts</title>
<updated>2012-07-26T17:55:26+00:00</updated>
<author>
<name>Tony Luck</name>
<email>tony.luck@intel.com</email>
</author>
<published>2012-07-26T17:55:26+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=a119365586b0130dfea06457f584953e0ff6481d'/>
<id>a119365586b0130dfea06457f584953e0ff6481d</id>
<content type='text'>
The following build error occured during a ia64 build with
swap-over-NFS patches applied.

net/core/sock.c:274:36: error: initializer element is not constant
net/core/sock.c:274:36: error: (near initialization for 'memalloc_socks')
net/core/sock.c:274:36: error: initializer element is not constant

This is identical to a parisc build error. Fengguang Wu, Mel Gorman
and James Bottomley did all the legwork to track the root cause of
the problem. This fix and entire commit log is shamelessly copied
from them with one extra detail to change a dubious runtime use of
ATOMIC_INIT() to atomic_set() in drivers/char/mspec.c

Dave Anglin says:
&gt; Here is the line in sock.i:
&gt;
&gt; struct static_key memalloc_socks = ((struct static_key) { .enabled =
&gt; ((atomic_t) { (0) }) });

The above line contains two compound literals.  It also uses a designated
initializer to initialize the field enabled.  A compound literal is not a
constant expression.

The location of the above statement isn't fully clear, but if a compound
literal occurs outside the body of a function, the initializer list must
consist of constant expressions.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The following build error occured during a ia64 build with
swap-over-NFS patches applied.

net/core/sock.c:274:36: error: initializer element is not constant
net/core/sock.c:274:36: error: (near initialization for 'memalloc_socks')
net/core/sock.c:274:36: error: initializer element is not constant

This is identical to a parisc build error. Fengguang Wu, Mel Gorman
and James Bottomley did all the legwork to track the root cause of
the problem. This fix and entire commit log is shamelessly copied
from them with one extra detail to change a dubious runtime use of
ATOMIC_INIT() to atomic_set() in drivers/char/mspec.c

Dave Anglin says:
&gt; Here is the line in sock.i:
&gt;
&gt; struct static_key memalloc_socks = ((struct static_key) { .enabled =
&gt; ((atomic_t) { (0) }) });

The above line contains two compound literals.  It also uses a designated
initializer to initialize the field enabled.  A compound literal is not a
constant expression.

The location of the above statement isn't fully clear, but if a compound
literal occurs outside the body of a function, the initializer list must
consist of constant expressions.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[IA64] Rename platform_name to ia64_platform_name</title>
<updated>2012-07-25T18:47:16+00:00</updated>
<author>
<name>Fengguang Wu</name>
<email>fengguang.wu@intel.com</email>
</author>
<published>2012-07-25T07:15:13+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=f9445a382e3b9fdd21db41a4825ca1399cd0a3f4'/>
<id>f9445a382e3b9fdd21db41a4825ca1399cd0a3f4</id>
<content type='text'>
The macro name is too generic and conflicts with
snd_soc_dai_link.platform_name, which triggers lots of build errors.

Signed-off-by: Fengguang Wu &lt;fengguang.wu@intel.com&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
The macro name is too generic and conflicts with
snd_soc_dai_link.platform_name, which triggers lots of build errors.

Signed-off-by: Fengguang Wu &lt;fengguang.wu@intel.com&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>[IA64] Mark PARAVIRT and KVM as broken</title>
<updated>2012-07-25T18:45:31+00:00</updated>
<author>
<name>Fengguang Wu</name>
<email>fengguang.wu@intel.com</email>
</author>
<published>2012-07-25T07:53:49+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=0c406643d9f1a9071aa44045f897bce087fe3945'/>
<id>0c406643d9f1a9071aa44045f897bce087fe3945</id>
<content type='text'>
Well, this at least makes allmodconfig happy.

Proposed-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Fengguang Wu &lt;fengguang.wu@intel.com&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</content>
<content type='xhtml'>
<div xmlns='http://www.w3.org/1999/xhtml'>
<pre>
Well, this at least makes allmodconfig happy.

Proposed-by: David Howells &lt;dhowells@redhat.com&gt;
Signed-off-by: Fengguang Wu &lt;fengguang.wu@intel.com&gt;
Signed-off-by: Tony Luck &lt;tony.luck@intel.com&gt;
</pre>
</div>
</content>
</entry>
<entry>
<title>Merge tag 'iommu-updates-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu</title>
<updated>2012-07-24T23:24:11+00:00</updated>
<author>
<name>Linus Torvalds</name>
<email>torvalds@linux-foundation.org</email>
</author>
<published>2012-07-24T23:24:11+00:00</published>
<link rel='alternate' type='text/html' href='https://git.toradex.cn/cgit/linux-toradex.git/commit/?id=97027da6adf2e24a4e8d3d9c0668da3006b29971'/>
<id>97027da6adf2e24a4e8d3d9c0668da3006b29971</id>
<content type='text'>
Pull IOMMU updates from Joerg Roedel:
 "The most important part of these updates is the IOMMU groups code
  enhancement written by Alex Williamson.  It abstracts the problem that
  a given hardware IOMMU can't isolate any given device from any other
  device (e.g.  32 bit PCI devices can't usually be isolated).  Devices
  that can't be isolated are grouped together.  This code is required
  for the upcoming VFIO framework.

  Another IOMMU-API change written by me is the introduction of domain
  attributes.  This makes it easier to handle GART-like IOMMUs with the
  IOMMU-API because now the start-address and the size of the domain
  address space can be queried.

  Besides that there are a few cleanups and fixes for the NVidia Tegra
  IOMMU drivers and the reworked init-code for the AMD IOMMU.  The
  latter is from my patch-set to support interrupt remapping.  The rest
  of this patch-set requires x86 changes which are not mergabe yet.  So
  full support for interrupt remapping with AMD IOMMUs will come in a
  future merge window."

* tag 'iommu-updates-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (33 commits)
  iommu/amd: Fix hotplug with iommu=pt
  iommu/amd: Add missing spin_lock initialization
  iommu/amd: Convert iommu initialization to state machine
  iommu/amd: Introduce amd_iommu_init_dma routine
  iommu/amd: Move unmap_flush message to amd_iommu_init_dma_ops()
  iommu/amd: Split enable_iommus() routine
  iommu/amd: Introduce early_amd_iommu_init routine
  iommu/amd: Move informational prinks out of iommu_enable
  iommu/amd: Split out PCI related parts of IOMMU initialization
  iommu/amd: Use acpi_get_table instead of acpi_table_parse
  iommu/amd: Fix sparse warnings
  iommu/tegra: Don't call alloc_pdir with as-&gt;lock
  iommu/tegra: smmu: Fix unsleepable memory allocation at alloc_pdir()
  iommu/tegra: smmu: Remove unnecessary sanity check at alloc_pdir()
  iommu/exynos: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/msm: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/omap: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/vt-d: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute
  ...
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Pull IOMMU updates from Joerg Roedel:
 "The most important part of these updates is the IOMMU groups code
  enhancement written by Alex Williamson.  It abstracts the problem that
  a given hardware IOMMU can't isolate any given device from any other
  device (e.g.  32 bit PCI devices can't usually be isolated).  Devices
  that can't be isolated are grouped together.  This code is required
  for the upcoming VFIO framework.

  Another IOMMU-API change written by me is the introduction of domain
  attributes.  This makes it easier to handle GART-like IOMMUs with the
  IOMMU-API because now the start-address and the size of the domain
  address space can be queried.

  Besides that there are a few cleanups and fixes for the NVidia Tegra
  IOMMU drivers and the reworked init-code for the AMD IOMMU.  The
  latter is from my patch-set to support interrupt remapping.  The rest
  of this patch-set requires x86 changes which are not mergabe yet.  So
  full support for interrupt remapping with AMD IOMMUs will come in a
  future merge window."

* tag 'iommu-updates-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (33 commits)
  iommu/amd: Fix hotplug with iommu=pt
  iommu/amd: Add missing spin_lock initialization
  iommu/amd: Convert iommu initialization to state machine
  iommu/amd: Introduce amd_iommu_init_dma routine
  iommu/amd: Move unmap_flush message to amd_iommu_init_dma_ops()
  iommu/amd: Split enable_iommus() routine
  iommu/amd: Introduce early_amd_iommu_init routine
  iommu/amd: Move informational prinks out of iommu_enable
  iommu/amd: Split out PCI related parts of IOMMU initialization
  iommu/amd: Use acpi_get_table instead of acpi_table_parse
  iommu/amd: Fix sparse warnings
  iommu/tegra: Don't call alloc_pdir with as-&gt;lock
  iommu/tegra: smmu: Fix unsleepable memory allocation at alloc_pdir()
  iommu/tegra: smmu: Remove unnecessary sanity check at alloc_pdir()
  iommu/exynos: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/msm: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/omap: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/vt-d: Implement DOMAIN_ATTR_GEOMETRY attribute
  iommu/amd: Implement DOMAIN_ATTR_GEOMETRY attribute
  ...
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