Commit Graph

20329 Commits

Author SHA1 Message Date
Magnus Damm
c0ca41a27e sh: fix ioreadN_rep and iowriteN_rep
This patch is a fix to make sure readsN/writesN are used over insN/outsN for
ioreadN_rep/iowriteN_rep.

The current state of the sh io code is that mmio operations like readN/writeN
and ioreadN/iowriteN are unaffected by the value of generic_io_base. This is
different fom port based io like inN/outN which gets adjusted using the value
in generic_io_base.

Without this patch ioreadN_rep/iowriteN_rep get their addresses adjusted.
The address for mmio access is adjusted using generic_io_base. This is wrong.
The ata core code currently crashes if generic_io_base is set.

This patch changes ioreadN_rep/iowriteN_rep to follow the same rules as the
rest of the mmio operations, ie don't adjust using generic_io_base.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: Katsuya MATSUBARA <matsu@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:25:37 +09:00
Paul Mundt
f99cb7a43c sh: Kill off more dead symbols.
Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:12 +09:00
Paul Mundt
c7a49dd42d sh: asm/irq.h needs asm/cpu/irq.h.
The SH-5 build currently fails when trying to build the i8042 code due
to the missing IRQ definitions. These are provided in asm/cpu/irq.h, so
just include that there to get it building again.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:12 +09:00
Paul Mundt
38350e0a00 sh: Get SH-5 caches working again post-unification.
A number of cleanups to get the SH-5 cache management code in line with
the rest of the SH backend.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:12 +09:00
Paul Mundt
5c8f82c649 maple: Fix up maple build failure.
maple_devinfo->connector_direction had a typo, fix it up..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:12 +09:00
Paul Mundt
bb7de070d2 sh: asm/tlb.h needs linux/pagemap.h for CONFIG_SWAP=n.
linux/swap.h really wants to include linux/pagemap.h in order to satisfy
the page_cache_release()/release_pages() definition requirements when
CONFIG_SWAP=n. Unfortunately the code in question contains:

	/* only sparc can not include linux/pagemap.h in this file
	 * so leave page_cache_release and release_pages undeclared... */
	#define free_page_and_swap_cache(page) \
		page_cache_release(page)
	#define free_pages_and_swap_cache(pages, nr) \
		release_pages((pages), (nr), 0);

so it looks like we're stuck with doing it in asm/tlb.h instead, as
others already do (ARM, CRIS, etc.). Grumble.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:11 +09:00
Kristoffer Ericson
c2f4d36640 sh: Tidy include/asm-sh/hp6xx.h
This patch removes defunct. led support functions from hp6xx.h since they are now
added in a proper driver (see commit below). Also adds tabs instead of spaces before comments.

*commit d39a7a63eb

Signed-off-by: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:11 +09:00
Paul Mundt
f1f8926a94 sh: Update SH-5 flush_cache_sigtramp() for API changes.
Previously this took an explicit range, update this to use the same
behaviour as the rest of the SH parts where we simply flush out a line
from the start address.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:11 +09:00
Paul Mundt
5e9c8ac569 sh: Fix up set_fixmap_nocache() for SH-5.
This needs a PAGE_KERNEL_NOCACHE definition, as provided by pgtable_32.h.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:11 +09:00
Paul Mundt
5286031693 sh: Fix up pte_mkhuge() build breakage for SH-5.
Applies the fix from 5b67954e80 to
pgtable_64.h.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:10 +09:00
Paul Mundt
829c773da5 sh: Handle SH7366 CPU in check_bugs().
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:10 +09:00
Magnus Damm
9109a30e5a sh: add support for sh7366 processor
This patch adds sh7366 cpu supports. Just the most basic things like interrupt
controller, clocks and serial port are included at this point.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:10 +09:00
Magnus Damm
c1a34e4c54 sh: trapped io support for highlander V2
This patch converts the highlander CF device from good old machvec readb/writeb
to the new shiny trapped io.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:09 +09:00
Magnus Damm
2d952b4b8c sh: trapped io support for r2d V2
This patch converts the CF device on r2d boards from machvec readb/writeb
to trapped io.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:09 +09:00
Magnus Damm
e7cc9a7340 sh: trapped io support V2
The idea is that we want to get rid of the in/out/readb/writeb callbacks from
the machvec and replace that with simple inline read and write operations to
memory. Fast and simple for most hardware devices (think pci).

Some devices require special treatment though - like 16-bit only CF devices -
so we need to have some method to hook in callbacks.

This patch makes it possible to add a per-device trap generating filter. This
way we can get maximum performance of sane hardware - which doesn't need this
filter - and crappy hardware works but gets punished by a performance hit.

V2 changes things around a bit and replaces io access callbacks with a
simple minimum_bus_width value. In the future we can add stride as well.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:09 +09:00
Magnus Damm
1e6760c5c4 sh: make copy_to/from_user() static inline
This patch changes copy_from_user() and copy_to_user() from macros
into static inline functions. This way we can use them as function
pointers. Also unify the 64 bit and 32 bit versions.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:09 +09:00
Paul Mundt
5d0e146493 sh: Wire up new timerfd syscalls.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:08 +09:00
Adrian McMenamin
87153058b2 maple: Drop unused prototypes from linux/maple.h.
This patch removes the now unneeded registration check variable from
struct maple_device. (This patch assumes the include/linux/maple.h file
has already been patched for whitespace errors by
http://lkml.org/lkml/2008/2/6/327)

Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:08 +09:00
Adrian McMenamin
b948237891 maple: fix up whitespace damage.
This patch is fundamentally about fixing up the whitespace problems
introduced by my previous patch (that brought the code into mainline). A
second patch will follow that will fix memory leaks. The two need to be
applied sequentially.

Signed-off-by: Adrian McMenamin <adrian@mcmen.demon.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:07 +09:00
Alan Cox
5c5a26fa9c sh: termios ioctl definitions
These ports are holding up progress and now have been for months. Do the
job for them.

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2008-02-14 14:22:07 +09:00
Linus Torvalds
e760e716d4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] gdth: update deprecated pci_find_device
  [SCSI] gdth: scan for scsi devices
  [SCSI] sym53c416: fix module parameters
  [SCSI] lpfc 8.2.5 : Update lpfc driver version to 8.2.5
  [SCSI] lpfc 8.2.5 : Fix buffer leaks
  [SCSI] lpfc 8.2.5 : Miscellaneous discovery Fixes
  [SCSI] lpfc 8.2.5 : Add MSI-X single message support
  [SCSI] lpfc 8.2.5 : Miscellaneous Fixes
  [SCSI] lpfc 8.2.5 : Correct ndlp referencing issues
  [SCSI] update SG_ALL to avoid causing chaining
  [SCSI] aic94xx: fix ABORT_TASK define conflict
  [SCSI] fas216: Use scsi_eh API for REQUEST_SENSE invocation
  [SCSI] ses: fix memory leaks
  [SCSI] aacraid: informational sysfs value corrections
  [SCSI] mpt fusion: Request I/O resources only when required
  [SCSI] aacraid: ignore adapter reset check polarity
  [SCSI] aacraid: add optional MSI support
  [SCSI] mpt fusion: Avoid racing when mptsas and mptcl module are loaded in parallel
  [SCSI] MegaRAID driver management char device moved to misc
  [SCSI] advansys: fix overrun_buf aligned bug
2008-02-13 16:23:44 -08:00
Mathieu Desnoyers
b2e3e658b3 Linux Kernel Markers: create modpost file
This adds some new magic in the MODPOST phase for CONFIG_MARKERS.  Analogous
to the Module.symvers file, the build will now write a Module.markers file
when CONFIG_MARKERS=y is set.  This file lists the name, defining module, and
format string of each marker, separated by \t characters.  This simple text
file can be used by offline build procedures for instrumentation code,
analogous to how System.map and Module.symvers can be useful to have for
kernels other than the one you are running right now.

The strings are made easy to extract by having the __trace_mark macro define
the name and format together in a single array called __mstrtab_* in the
__markers_strings section.  This is straightforward and reliable as long as
the marker structs are always defined by this macro.  It is an unreasonable
amount of hairy work to extract the string pointers from the __markers section
structs, which entails handling a relocation type for every machine under the
sun.

Mathieu :
- Ran through checkpatch.pl

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: David Smith <dsmith@redhat.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:20 -08:00
Mathieu Desnoyers
fb40bd78b0 Linux Kernel Markers: support multiple probes
RCU style multiple probes support for the Linux Kernel Markers.  Common case
(one probe) is still fast and does not require dynamic allocation or a
supplementary pointer dereference on the fast path.

- Move preempt disable from the marker site to the callback.

Since we now have an internal callback, move the preempt disable/enable to the
callback instead of the marker site.

Since the callback change is done asynchronously (passing from a handler that
supports arguments to a handler that does not setup the arguments is no
arguments are passed), we can safely update it even if it is outside the
preempt disable section.

- Move probe arm to probe connection. Now, a connected probe is automatically
  armed.

Remove MARK_MAX_FORMAT_LEN, unused.

This patch modifies the Linux Kernel Markers API : it removes the probe
"arm/disarm" and changes the probe function prototype : it now expects a
va_list * instead of a "...".

If we want to have more than one probe connected to a marker at a given
time (LTTng, or blktrace, ssytemtap) then we need this patch. Without it,
connecting a second probe handler to a marker will fail.

It allow us, for instance, to do interesting combinations :

Do standard tracing with LTTng and, eventually, to compute statistics
with SystemTAP, or to have a special trigger on an event that would call
a systemtap script which would stop flight recorder tracing.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Mike Mason <mmlnx@us.ibm.com>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Cc: David Smith <dsmith@redhat.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:20 -08:00
Ivan Kokshaysky
91d35dd93e moduleparam: fix alpha, ia64 and ppc64 compile failures
On alpha, ia64 and ppc64 only relocations to local data can go into
read-only sections. The vast majority of module parameters use the global
generic param_set_*/param_get_* functions, so the 'const' attribute for
struct kernel_param is not only useless, but it also causes compile
failures due to 'section type conflict' in those rare cases where
param_set/get are local functions.

This fixes http://bugzilla.kernel.org/show_bug.cgi?id=8964

Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Anton Blanchard <anton@samba.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Adrian Bunk <bunk@stusta.de>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:19 -08:00
Randy Dunlap
bc2cda1ebd docbook: make a networking book and fix a few errors
Move networking (core and drivers) docbook to its own networking book.
Fix a few kernel-doc errors in header and source files.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:19 -08:00
Nishanth Aravamudan
064d9efe94 hugetlb: fix overcommit locking
proc_doulongvec_minmax() calls copy_to_user()/copy_from_user(), so we can't
hold hugetlb_lock over the call.  Use a dummy variable to store the sysctl
result, like in hugetlb_sysctl_handler(), then grab the lock to update
nr_overcommit_huge_pages.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Reported-by: Miles Lane <miles.lane@gmail.com>
Cc: Adam Litke <agl@us.ibm.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:18 -08:00
Thomas Bogendoerfer
2695a14d31 SC26XX: missing PORT define in serial_core.h
When submitting the driver for inclusion to 2.6.25 I've missed the change to
serial_core.h. This patch fixes this.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:18 -08:00
Harvey Harrison
21534301ea Final removal of FASTCALL()/fastcall
All users are gone, remove definitions and comments referring
to them.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:18 -08:00
Harvey Harrison
b3c9752868 include/linux: Remove all users of FASTCALL() macro
FASTCALL() is always expanded to empty, remove it.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 16:21:18 -08:00
Linus Torvalds
10270d4838 acpi: fix acpi_os_read_pci_configuration() misuse of raw_pci_read()
The raw_pci_read() interface (as the raw_pci_ops->read() before it)
unconditionally fills in a 32-bit integer return value regardless of the
size of the operation requested.

So claiming to take a "void *" is wrong, as is passing in a pointer to
just a byte variable.

Noticed by pageexec when enabling -fstack-protector (which needs other
patches too to actually work, but that's a separate issue).

Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-13 09:56:14 -08:00
Linus Torvalds
3174ffaa93 Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
  sched: rt-group: refure unrunnable tasks
  sched: rt-group: clean up the ifdeffery
  sched: rt-group: make rt groups scheduling configurable
  sched: rt-group: interface
  sched: rt-group: deal with PI
  sched: fix incorrect irq lock usage in normalize_rt_tasks()
  sched: fair-group: separate tg->shares from task_group_lock
  hrtimer: more hrtimer_init_sleeper() fallout.
2008-02-13 08:22:41 -08:00
Ingo Molnar
1cdde19109 x86: fix sigcontext.h user export
Jakub Jelinek reported that some user-space code that relies on
kernel headers has built dependency on the sigcontext->eip/rip
register names - which have been unified in commit:

  commit 742fa54a62
  Author: H. Peter Anvin <hpa@zytor.com>
  Date:   Wed Jan 30 13:30:56 2008 +0100

      x86: use generic register names in struct sigcontext

so give the old layout to user-space. This is not particularly
pretty, but it's an ABI so there's no danger of the two definitions
getting out of sync.

Reported-by: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13 16:20:35 +01:00
Peter Zijlstra
052f1dc7eb sched: rt-group: make rt groups scheduling configurable
Make the rt group scheduler compile time configurable.
Keep it experimental for now.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13 15:45:40 +01:00
Peter Zijlstra
9f0c1e560c sched: rt-group: interface
Change the rt_ratio interface to rt_runtime_us, to match rt_period_us.
This avoids picking a granularity for the ratio.

Extend the /sys/kernel/uids/<uid>/ interface to allow setting
the group's rt_runtime.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-02-13 15:45:39 +01:00
KOSAKI Motohiro
31f1de46b9 mempolicy: silently restrict nodemask to allowed nodes
Kosaki Motohito noted that "numactl --interleave=all ..." failed in the
presence of memoryless nodes.  This patch attempts to fix that problem.

Some background:

numactl --interleave=all calls set_mempolicy(2) with a fully populated
[out to MAXNUMNODES] nodemask.  set_mempolicy() [in do_set_mempolicy()]
calls contextualize_policy() which requires that the nodemask be a
subset of the current task's mems_allowed; else EINVAL will be returned.

A task's mems_allowed will always be a subset of node_states[N_HIGH_MEMORY]
i.e., nodes with memory.  So, a fully populated nodemask will be
declared invalid if it includes memoryless nodes.

  NOTE:  the same thing will occur when running in a cpuset
         with restricted mem_allowed--for the same reason:
         node mask contains dis-allowed nodes.

mbind(2), on the other hand, just masks off any nodes in the nodemask
that are not included in the caller's mems_allowed.

In each case [mbind() and set_mempolicy()], mpol_check_policy() will
complain [again, resulting in EINVAL] if the nodemask contains any
memoryless nodes.  This is somewhat redundant as mpol_new() will remove
memoryless nodes for interleave policy, as will bind_zonelist()--called
by mpol_new() for BIND policy.

Proposed fix:

1) modify contextualize_policy logic to:
   a) remember whether the incoming node mask is empty.
   b) if not, restrict the nodemask to allowed nodes, as is
      currently done in-line for mbind().  This guarantees
      that the resulting mask includes only nodes with memory.

      NOTE:  this is a [benign, IMO] change in behavior for
             set_mempolicy().  Dis-allowed nodes will be
             silently ignored, rather than returning an error.

   c) fold this code into mpol_check_policy(), replace 2 calls to
      contextualize_policy() to call mpol_check_policy() directly
      and remove contextualize_policy().

2) In existing mpol_check_policy() logic, after "contextualization":
   a) MPOL_DEFAULT:  require that in coming mask "was_empty"
   b) MPOL_{BIND|INTERLEAVE}:  require that contextualized nodemask
      contains at least one node.
   c) add a case for MPOL_PREFERRED:  if in coming was not empty
      and resulting mask IS empty, user specified invalid nodes.
      Return EINVAL.
   c) remove the now redundant check for memoryless nodes

3) remove the now redundant masking of policy nodes for interleave
   policy from mpol_new().

4) Now that mpol_check_policy() contextualizes the nodemask, remove
   the in-line nodes_and() from sys_mbind().  I believe that this
   restores mbind() to the behavior before the memoryless-nodes
   patch series.  E.g., we'll no longer treat an invalid nodemask
   with MPOL_PREFERRED as local allocation.

[ Patch history:

  v1 -> v2:
   - Communicate whether or not incoming node mask was empty to
     mpol_check_policy() for better error checking.
   - As suggested by David Rientjes, remove the now unused
     cpuset_nodes_subset_current_mems_allowed() from cpuset.h

  v2 -> v3:
   - As suggested by Kosaki Motohito, fold the "contextualization"
     of policy nodemask into mpol_check_policy().  Looks a little
     cleaner. ]

Signed-off-by:  Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by:  KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Tested-by:      KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by:       David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-11 20:48:29 -08:00
Linus Torvalds
1a51008984 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
  [IA64] Fix build for sim_defconfig
2008-02-11 20:44:58 -08:00
Andi Kleen
271cad6d7e Make topology fallback macros reference their arguments.
This avoids warnings with unreferenced variables in the !NUMA case.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-11 20:37:29 -08:00
Tony Luck
10d0aa3c0a [IA64] Fix build for sim_defconfig
Commit bdc807871d broke the build
for this config because the sim_defconfig selects CONFIG_HZ=250
but include/asm-ia64/param.h has an ifdef for the simulator to
force HZ to 32.  So we ended up with a kernel/timeconst.h set
for HZ=250 ... which then failed the check for the right HZ
value and died with:

Drop the #ifdef magic from param.h and make force CONFIG_HZ=32
directly for the simulator.

Signed-off-by: Tony Luck <tony.luck@intel.com>
2008-02-11 13:23:46 -08:00
James Bottomley
4660c8ed5a [SCSI] update SG_ALL to avoid causing chaining
Since the sg chaining patches went in, our current value of 255 for
SG_ALL excites chaining on some drivers which cannot support it (and
would thus oops).  Redefine SG_ALL to mean no sg table size
preference, but use the single allocation (non chained) limit.  This
also helps for drivers that use it to size an internal table.

We'll do an opt in system later where truly chaining supporting
drivers can define their sg_tablesize to be anything up to
SCSI_MAX_SG_CHAIN_ELEMENTS.

Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
2008-02-11 13:40:13 -06:00
Andi Kleen
1f07e98829 Prevent IDE boot ops on NUMA system
Without this patch a Opteron test system here oopses at boot with
current git.

Calling to_pci_dev() on a NULL pointer gives a negative value so the
following NULL pointer check never triggers and then an illegal address
is referenced.  Check the unadjusted original device pointer for NULL
instead.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-11 09:20:50 -08:00
Linus Torvalds
0c0d61ca93 Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linux
* 'for-linus' of git://linux-nfs.org/~bfields/linux:
  SUNPRC: Fix printk format warning
  nfsd: clean up svc_reserve_auth()
  NLM: don't requeue block if it was invalidated while GRANT_MSG was in flight
  NLM: don't reattempt GRANT_MSG when there is already an RPC in flight
  NLM: have server-side RPC clients default to soft RPC tasks
  NLM: set RPC_CLNT_CREATE_NOPING for NLM RPC clients
2008-02-11 09:19:47 -08:00
Bartlomiej Zolnierkiewicz
395d8ef5be ide-disk: fix flush requests (take 2)
commit 813a0eb233
Author: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date:   Fri Jan 25 22:17:10 2008 +0100

    ide: switch idedisk_prepare_flush() to use REQ_TYPE_ATA_TASKFILE requests

...

broke flush requests.

Allocating IDE command structure on the stack for flush requests is not
a very brilliant idea:

- idedisk_prepare_flush() only prepares the request and it doesn't wait
  for it to be completed

- there are can be multiple flush requests queued in the queue

Fix the problem (per hints from James Bottomley) by:
- dynamically allocating ide_task_t instance using kmalloc(..., GFP_ATOMIC)
- adding new taskfile flag (IDE_TFLAG_DYN)
- calling kfree() in ide_end_drive_command() if IDE_TFLAG_DYN is set
  (while at it rename 'args' to 'task' and fix whitespace damage)

[ This will be fixed properly before 2.6.25 but this bug is rather
  critical and the proper solution requires some more work + testing. ]

Thanks to Sebastian Siewior and Christoph Hellwig for reporting the
problem and testing patches (extra thanks to Sebastian for bisecting
it to the guilty commmit).

Tested-by: Sebastian Siewior <ide-bug@ml.breakpoint.cc>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-02-11 00:32:14 +01:00
Sergei Shtylyov
8e882ba111 ide: introduce CONFIG_BLK_DEV_IDEDMA_SFF option
Introduce new option CONFIG_BLK_DEV_IDEDMA_SFF for non-PCI SFF-8038i compatible
bus mastering IDE controllers (which there are a few known), thus fixing a hack
made for Palmchip BK3710 controller...

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Cc: Anton Salnikov <asalnikov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-02-11 00:32:14 +01:00
J. Bruce Fields
fbb7878c1a nfsd: clean up svc_reserve_auth()
This is a void function attempting to return the return value from
another void function, which seems harmless but extremely weird, and
apparently makes some compilers complain.

While we're there, clean up a little (e.g. the switch statement had a
minor style problem and seemed overkill as long as there's only one
case).

Thanks to Trond for noticing this.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-02-10 18:11:16 -05:00
Linus Torvalds
0eccf60bfa Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (30 commits)
  [ARM] constify function pointer tables
  [ARM] 4823/1: AT91 section fix
  [ARM] 4824/1: pxa: clear RDH bit after any reset
  [ARM] pxa: remove debugging PM: printk
  ARM: OMAP1: Misc clean-up
  ARM: OMAP1: Update defconfigs for omap1
  ARM: OMAP1: Palm Tungsten E board clean-up
  ARM: OMAP1: Use I2C bus registration helper for omap1
  ARM: OMAP1: Remove omap_sram_idle()
  ARM: OMAP1: PM fixes for OMAP1
  ARM: OMAP1: Use MMC multislot structures for Siemens SX1 board
  ARM: OMAP1: Make omap1 use MMC multislot structures
  ARM: OMAP1: Change the comments to C style
  ARM: OMAP1: Make omap1 boards to use omap_nand_platform_data
  ARM: OMAP: Add helper module for board specific I2C bus registration
  ARM: OMAP: Add dmtimer support for OMAP3
  ARM: OMAP: Pre-3430 clean-up for dmtimer.c
  ARM: OMAP: Add DMA support for chaining and 3430
  ARM: OMAP: Add 24xx GPIO debounce support
  ARM: OMAP: Get rid of unnecessary ifdefs in GPIO code
  ...
2008-02-10 14:09:44 -08:00
Matthew Wilcox
b6ce068a12 Change pci_raw_ops to pci_raw_read/write
We want to allow different implementations of pci_raw_ops for standard
and extended config space on x86.  Rather than clutter generic code with
knowledge of this, we make pci_raw_ops private to x86 and use it to
implement the new raw interface -- raw_pci_read() and raw_pci_write().

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-02-10 12:52:46 -08:00
Oleg Nesterov
080344b988 hrtimer: fix *rmtp handling in hrtimer_nanosleep()
Spotted by Pavel Emelyanov and Alexey Dobriyan.

hrtimer_nanosleep() sets restart_block->arg1 = rmtp, but this rmtp points to
the local variable which lives in the caller's stack frame. This means that
if sys_restart_syscall() actually happens and it is interrupted as well, we
don't update the user-space variable, but write into the already dead stack
frame.

Introduced by commit 04c227140f
hrtimer: Rework hrtimer_nanosleep to make sys_compat_nanosleep easier

Change the callers to pass "__user *rmtp" to hrtimer_nanosleep(), and change
hrtimer_nanosleep() to use copy_to_user() to actually update *rmtp.

Small problem remains. man 2 nanosleep states that *rtmp should be written if
nanosleep() was interrupted (it says nothing whether it is OK to update *rmtp
if nanosleep returns 0), but (with or without this patch) we can dirty *rem
even if nanosleep() returns 0.

NOTE: this patch doesn't change compat_sys_nanosleep(), because it has other
bugs. Fixed by the next patch.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Michael Kerrisk <mtk.manpages@googlemail.com>
Cc: Pavel Emelyanov <xemul@sw.ru>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Toyo Abe <toyoa@mvista.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

 include/linux/hrtimer.h |    2 -
 kernel/hrtimer.c        |   51 +++++++++++++++++++++++++-----------------------
 kernel/posix-timers.c   |   14 +------------
 3 files changed, 30 insertions(+), 37 deletions(-)
2008-02-10 10:48:03 +01:00
john stultz
e13a2e61dd ntp: correct inconsistent interval/tick_length usage
clocksource initialization and error accumulation.  This corrects a 280ppm
drift seen on some systems using acpi_pm, and affects other clocksources as
well (likely to a lesser degree).

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2008-02-10 10:48:03 +01:00
Linus Torvalds
25f6663006 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (28 commits)
  [NET_SCHED] sch_htb: htb_requeue fix
  [IPV6]: Replace using the magic constant "1024" with IP6_RT_PRIO_USER for fc_metric.
  starfire: secton fix
  via-velocity: section fix
  natsemi: section fix
  typhoon: section fix
  isdn: fix section mismatch warning for ISACVer
  isdn: fix section mismatch warnings from hisax_cs_setup_card
  isdn: fix section mismatch warnings in isac.c and isar.c
  isdn: fix section mismatch warning in hfc_sx.c
  [PKT_SCHED] ematch: tcf_em_destroy robustness
  [PKT_SCHED]: deinline functions in meta match
  [SCTP]: Convert sctp_dbg_objcnt to seq files.
  [SCTP]: Use snmp_fold_field instead of a homebrew analogue.
  [IGMP]: Optimize kfree_skb in igmp_rcv.
  [KEY]: Convert net/pfkey to use seq files.
  [KEY]: Clean up proc files creation a bit.
  pppol2tp: fix printk warnings
  bnx2: section fix
  bnx2x: section fix
  ...
2008-02-10 00:04:35 -08:00
Linus Torvalds
0b6ca82af8 Merge git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (32 commits)
  x86: cpa, strict range check in try_preserve_large_page()
  x86: cpa, enable CONFIG_DEBUG_PAGEALLOC on 64-bit
  x86: cpa, use page pool
  x86: introduce page pool in cpa
  x86: DEBUG_PAGEALLOC: enable after mem_init()
  brk: help text typo fix
  lguest: accept guest _PAGE_PWT page table entries
  x86 PM: update stale comments
  x86 PM: consolidate suspend and hibernation code
  x86 PM: rename 32-bit files in arch/x86/power
  x86 PM: move 64-bit hibernation files to arch/x86/power
  x86: trivial printk optimizations
  x86: fix early_ioremap pagetable ops
  x86: construct 32-bit boot time page tables in native format.
  x86, core: remove CONFIG_FORCED_INLINING
  x86: avoid unused variable warning in mm/init_64.c
  x86: fixup more paravirt fallout
  brk: document randomize_va_space and CONFIG_COMPAT_BRK (was Re:
  x86: fix sparse warnings in acpi/bus.c
  x86: fix sparse warning in topology.c
  ...
2008-02-09 23:29:57 -08:00