Sunil Mushran [Mon, 29 Jan 2007 23:19:16 +0000 (15:19 -0800)]
ocfs2_dlm: Ensure correct ordering of set/clear refmap bit on lockres
Eventhough the set refmap bit message is sent before the clear refmap
message, currently there is no guarentee that the set message will be
handled before the clear. This patch prevents the clear refmap to be
processed while the node is sending assert master messages to other
nodes. (The set refmap message is sent as a response to the assert
master request).
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Sunil Mushran [Mon, 29 Jan 2007 22:57:14 +0000 (14:57 -0800)]
ocfs2: Binds listener to the configured ip address
This patch binds the o2net listener to the configured ip address
instead of INADDR_ANY for security. Fixes oss.oracle.com bugzilla#814.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Thu, 18 Jan 2007 01:05:53 +0000 (17:05 -0800)]
ocfs2_dlm: Calling post handler function in assert master handler
This patch prevents the dlm from sending the clear refmap message
before the set refmap. We use the newly created post function handler
routine to accomplish the task.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Thu, 18 Jan 2007 01:04:25 +0000 (17:04 -0800)]
ocfs2: Added post handler callable function in o2net message handler
Currently o2net allows one handler function per message type. This
patch adds the ability to call another function to be called after
the handler has returned the message to the other node.
Handlers are now given the option of returning a context (in the form of a
void **) which will be passed back into the post message handler function.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Wed, 17 Jan 2007 23:11:36 +0000 (15:11 -0800)]
ocfs2_dlm: Cookies in locks not being printed correctly in error messages
The dlm encodes the node number and a sequence number in the lock cookie.
It also stores the cookie in the lockres in the big endian format to avoid
swapping 8 bytes on each lock request. The bug here was that it was assuming
the cookie to be in the cpu format when decoding it for printing the error
message. This patch swaps the bytes before the print.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Wed, 17 Jan 2007 23:01:45 +0000 (15:01 -0800)]
ocfs2_dlm: Silence a failed convert
When the lockres is in migrate or recovery state, all convert requests
are denied with the appropriate error status that is handled on the
requester node. This patch silences the erroneous error message printed
on the master node.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Wed, 17 Jan 2007 22:59:12 +0000 (14:59 -0800)]
ocfs2_dlm: wake up sleepers on the lockres waitqueue
The dlm was not waking up threads waiting on the lockres wait queue,
waiting for the lockres to be no longer be in the DLM_LOCK_RES_IN_PROGRESS
and the DLM_LOCK_RES_MIGRATING states.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Wed, 17 Jan 2007 22:57:50 +0000 (14:57 -0800)]
ocfs2_dlm: Dlm dispatch was stopping too early
dlm_dispatch_work was not processing the queued up tasks at
the first sign of the node leaving the domain leading to not
only incompleted tasks but also a mismatch in the dlm refcnt.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Wed, 17 Jan 2007 22:54:39 +0000 (14:54 -0800)]
ocfs2_dlm: Drop inflight refmap even if no locks found on the lockres
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Wed, 17 Jan 2007 22:53:37 +0000 (14:53 -0800)]
ocfs2_dlm: Flush dlm workqueue before starting to migrate
This is to prevent the condition in which a previously queued
up assert master asserts after we start the migration. Now
migration ensures the workqueue is flushed before proceeding
with migrating the lock to another node. This condition is
typically encountered during parallel umounts.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Fri, 5 Jan 2007 23:04:49 +0000 (15:04 -0800)]
ocfs2_dlm: Fix migrate lockres handler queue scanning
The migrate lockres handler was only searching for its lock on
migrated lockres on the expected queue. This could be problematic
as the new master could have also issued a convert request
during the migration and thus moved the lock to the convert queue.
We now search for the lock on all three queues.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <Sunil.Mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Fri, 5 Jan 2007 23:02:30 +0000 (15:02 -0800)]
ocfs2_dlm: Make dlmunlock() wait for migration to complete
dlmunlock() was not waiting for migration to complete before releasing locks
on locally mastered locks.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <Sunil.Mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Fri, 5 Jan 2007 23:00:17 +0000 (15:00 -0800)]
ocfs2_dlm: Fixes race between migrate and dirty
dlmthread was removing lockres' from the dirty list
and resetting the dirty flag before shuffling the list.
This patch retains the dirty state flag until the lists
are shuffled.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Sunil Mushran <Sunil.Mushran@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Adrian Bunk [Wed, 13 Dec 2006 23:17:32 +0000 (00:17 +0100)]
[PATCH] fs/ocfs2/dlm/: make functions static
This patch makes some needlessly global functions static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Kurt Hackel [Fri, 1 Dec 2006 22:47:20 +0000 (14:47 -0800)]
ocfs2_dlm: fix cluster-wide refcounting of lock resources
This was previously broken and migration of some locks had to be temporarily
disabled. We use a new (and backward-incompatible) set of network messages
to account for all references to a lock resources held across the cluster.
once these are all freed, the master node may then free the lock resource
memory once its local references are dropped.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Linus Torvalds [Wed, 7 Feb 2007 16:10:48 +0000 (08:10 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/shaggy/jfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6:
JFS: Remove incorrect kgdb define
JFS: call io_schedule() instead of schedule() to avoid deadlock
JFS: Add lockdep annotations
JFS: Avoid BUG() on a damaged file system
Linus Torvalds [Wed, 7 Feb 2007 16:09:00 +0000 (08:09 -0800)]
Merge git://git./linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (57 commits)
[GFS2] make gfs2_writepages() static
[GFS2] Unlock page on prepare_write try lock failure
[GFS2] nfsd readdirplus assertion failure
[DLM] fix softlockup in dlm_recv
[DLM] zero new user lvbs
[DLM/GFS2] indent help text
[GFS2] Fix unlink deadlocks
[GFS2] Put back semaphore to avoid umount problem
[GFS2] more CURRENT_TIME_SEC
[GFS2/DLM] fix GFS2 circular dependency
[GFS2/DLM] use sysfs
[GFS2] make lock_dlm drop_count tunable in sysfs
[GFS2] increase default lock limit
[GFS2] Fix list corruption in lops.c
[GFS2] Fix recursive locking attempt with NFS
[DLM] can miss clearing resend flag
[DLM] saved dlm message can be dropped
[DLM] Make sock_sem into a mutex
[GFS2] Fix typo in glock.c
[GFS2] use CURRENT_TIME_SEC instead of get_seconds in gfs2
...
Adrian Bunk [Tue, 6 Feb 2007 22:12:49 +0000 (23:12 +0100)]
[GFS2] make gfs2_writepages() static
On Mon, Jan 29, 2007 at 08:45:28PM -0800, Andrew Morton wrote:
>...
> Changes since 2.6.20-rc6-mm2:
>...
> git-gfs2-nmw.patch
>...
> git trees
>...
This patch makes the needlessly global gfs2_writepages() static.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Steven Whitehouse [Wed, 7 Feb 2007 15:25:59 +0000 (10:25 -0500)]
[GFS2] Unlock page on prepare_write try lock failure
When the try lock of the glock failed in prepare_write we were
incorrectly exiting this function with the page still locked.
This was resulting in further I/O to this page hanging.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Linus Torvalds [Wed, 7 Feb 2007 01:24:58 +0000 (17:24 -0800)]
Merge branch 'release' of git://git./linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: (27 commits)
[IA64] swiotlb abstraction (e.g. for Xen)
[IA64] swiotlb cleanup
[IA64] make swiotlb use bus_to_virt/virt_to_bus
[IA64] swiotlb bug fixes
[IA64] Hook up getcpu system call for IA64
[IA64] clean up sparsemem memory_present call
[IA64] show_mem() for IA64 sparsemem NUMA
[IA64] missing exports hwsw_sync_...
[IA64] virt_to_page() can be called with NULL arg
[IA64] alignment bug in ldscript
[IA64] register memory ranges in a consistent manner
[IA64] Enable SWIOTLB only when needed
[IA64-SGI] Check for TIO errors on shub2 Altix
[IA64] remove bogus prototype ia64_esi_init()
[IA64] Clear IRQ affinity when unregistered
[IA64] fix ACPI Kconfig issues
[IA64] Fix NULL-pointer dereference in ia64_machine_kexec()
[IA64] find thread for user rbs address
[IA64] use snprintf() on features field of /proc/cpuinfo
[IA64] enable singlestep on system call
...
Linus Torvalds [Tue, 6 Feb 2007 22:59:27 +0000 (14:59 -0800)]
Merge branch 'upstream-linus' of git://git./linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
ocfs2: ocfs2_link() journal credits update
Linus Torvalds [Tue, 6 Feb 2007 22:56:37 +0000 (14:56 -0800)]
Merge branch 'for-linus' of /linux/kernel/git/jikos/hid
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jikos/hid:
USB HID: handle multi-interface devices for Apple macbook pro properly
HID: move away from DEBUG defines in favor of CONFIG_HID_DEBUG
USB HID: fix bogus comment in hid_get_class_descriptor()
USB HID: remove hid_find_field_by_usage()
HID: API - fix leftovers of hidinput API in USB HID
HID: hid debug from hid-debug.h to hid layer
hid: force feedback driver for PantherLord USB/PS2 2in1 Adapter
hid: quirk for multi-input devices with unneeded output reports
hid: allow force feedback for multi-input devices
Linus Torvalds [Tue, 6 Feb 2007 22:55:33 +0000 (14:55 -0800)]
Merge branch 'for-linus' of /linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
IB/ehca: Remove obsolete prototypes
IB/ehca: Remove use of do_mmap()
RDMA/addr: Handle ethernet neighbour updates during route resolution
IB: Make sure struct ib_user_mad.data is aligned
IB/srp: Don't wait for response when QP is in error state.
IB: Return qp pointer as part of ib_wc
IB: Include <linux/kref.h> explicitly in <rdma/ib_verbs.h>
Linus Torvalds [Tue, 6 Feb 2007 22:54:54 +0000 (14:54 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (32 commits)
mmc: tifm: replace kmap with page_address
mmc: sdhci: fix voltage ocr
mmc: sdhci: replace kmap with page_address
mmc: wbsd: replace kmap with page_address
mmc: handle pci_enable_device() return value in sdhci
mmc: Proper unclaim in mmc_block
mmc: change wbsd mailing list
mmc: Graceful fallback for fancy features
mmc: Handle wbsd's stupid command list
mmc: Allow host drivers to specify max block count
mmc: Allow host drivers to specify a max block size
tifm_sd: add suspend and resume functionality
tifm_core: add suspend/resume infrastructure for tifm devices
tifm_7xx1: prettify
tifm_7xx1: recognize device 0xac8f as supported
tifm_7xx1: switch from workqueue to kthread
tifm_7xx1: Merge media insert and media remove functions
tifm_7xx1: simplify eject function
Add dummy_signal_irq function to save check in ISR
Remove unused return value from signal_irq callback
...
Linus Torvalds [Tue, 6 Feb 2007 22:45:32 +0000 (14:45 -0800)]
Merge branch 'for-linus' of git://git390.osdl.marist.edu/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: (37 commits)
[S390] Avoid excessive inlining.
[S390] Mark kernel text section read-only.
[S390] Convert memory detection into C code.
[S390] Calibrate delay and bogomips.
[S390] Hypervisor filesystem (s390_hypfs) for z/VM
[S390] Add crypto support for 3592 tape devices
[S390] boot from NSS support
[S390] Support for s390 Pseudo Random Number Generator
[S390] ETR support.
[S390] noexec protection
[S390] move crypto options and some cleanup.
[S390] cio: Don't spam debug feature.
[S390] Cleanup of CHSC event handling.
[S390] cio: declare hardware structures packed.
[S390] Add set_fs(USER_DS) to start_thread().
[S390] cio: Catch operand exceptions on stsch.
[S390] Fix register usage description.
[S390] kretprobe_trampoline_holder() in wrong section.
[S390] Fix kprobes breakpoint handling.
[S390] Update maintainers file.
...
David Howells [Tue, 6 Feb 2007 13:45:51 +0000 (13:45 +0000)]
[PATCH] Keys: Fix key serial number collision handling
Fix the key serial number collision avoidance code in key_alloc_serial().
This didn't use to be so much of a problem as the key serial numbers were
allocated from a simple incremental counter, and it would have to go through
two billion keys before it could possibly encounter a collision. However, now
that random numbers are used instead, collisions are much more likely.
This is fixed by finding a hole in the rbtree where the next unused serial
number ought to be and using that by going almost back to the top of the
insertion routine and redoing the insertion with the new serial number rather
than trying to be clever and attempting to work out the insertion point
pointer directly.
This fixes kernel BZ #7727.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Tue, 6 Feb 2007 22:42:20 +0000 (14:42 -0800)]
Merge git://git./linux/kernel/git/sfrench/cifs-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Minor cleanup
[CIFS] Missing free in error path
[CIFS] Reduce cifs stack space usage
[CIFS] lseek polling returned stale EOF
Linus Torvalds [Tue, 6 Feb 2007 22:35:30 +0000 (14:35 -0800)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (40 commits)
[MIPS] Yosemite: Fix missing parens in SERIAL_READ_1 macro
[MIPS] Fix warnings in run_uncached on 32bit kernel
[MIPS] Comment fix
[MIPS] MT: Nuke duplicate mips_mt_regdump() prototype.
[MIPS] Alchemy: Fix PCI-memory access
[MIPS] Move .set reorder out of conditional code
[MIPS] Check FCSR for pending interrupts before restoring from a context.
[MIPS] Jaguar ATX: Fix large number of warnings.
[MIPS] Jaguar: Fix MAC address detection after platform_device conversion.
[MIPS] SMTC: Make a bunch of functions and variables static.
[MIPS] Use compat_sys_pselect6
[MIPS] SMTC: Cleanup idle hook invocation.
[MIPS] SELinux: Add security hooks to mips-mt {get,set}affinity
[MIPS] IRIX: Linux coding style cleanups.
[MIPS] PB1100: Fix pile of warnings
[MIPS] Alchemy: Fix bunch of warnings
[MIPS] Whitespace cleanups.
[MIPS] Alchemy: Fix bunch more warnings.
[MIPS] Use ARRAY_SIZE macro when appropriate
[MIPS] Fix some whitespace damage
...
Oleg Verych [Tue, 6 Feb 2007 01:18:22 +0000 (02:18 +0100)]
[PATCH] kbuild: correctly skip tilded backups in localversion files
Tildes as in path as in filenames are handled correctly now:
only files, containing tilde '~', are backups, thus are not valid.
[KJ]:
Definition of `space' was removed, scripts/Kbuild.include has one.
That definition was taken right from the GNU make manual, while Kbuild's
version is original.
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Bastian Blank <bastian@waldi.eu.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Oleg Verych <olecom@flower.upol.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Oleg Verych [Tue, 6 Feb 2007 01:18:21 +0000 (02:18 +0100)]
[PATCH] kbuild: improve option checking, Kbuild.include cleanup
GNU binutils, root users, tmpfiles, external modules ro builds must
be fixed to do the right thing now.
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Horst Schirmeier <horst@schirmeier.com>
Cc: Jan Beulich <jbeulich@novell.com>
Cc: Daniel Drake <dsd@gentoo.org>
Cc: Andi Kleen <ak@suse.de>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Oleg Verych <olecom@flower.upol.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Oleg Verych [Tue, 6 Feb 2007 01:18:20 +0000 (02:18 +0100)]
[PATCH] kbuild scripts: replace gawk, head, bc with shell, update
Replacing overhead of using some (external) programs
instead of good old `sh'.
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: William Stearns <wstearns@pobox.com>
Cc: Martin Schlemmer <azarah@nosferatu.za.org>
Signed-off-by: Oleg Verych <olecom@flower.upol.cz>
Acked-by: Mark Lord <lkml@rtr.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Steve French [Tue, 6 Feb 2007 20:43:30 +0000 (20:43 +0000)]
[CIFS] Minor cleanup
Missing tab. Missing entry in changelog
Signed-off-by: Steve French <sfrench@us.ibm.com>
Ralf Baechle [Tue, 6 Feb 2007 16:43:31 +0000 (16:43 +0000)]
[MIPS] Yosemite: Fix missing parens in SERIAL_READ_1 macro
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Yoichi Yuasa [Tue, 6 Feb 2007 01:59:22 +0000 (10:59 +0900)]
[MIPS] Fix warnings in run_uncached on 32bit kernel
arch/mips/lib/uncached.c: In function 'run_uncached':
arch/mips/lib/uncached.c:47: warning: comparison is always true due to limited range of data type
arch/mips/lib/uncached.c:48: warning: comparison is always false due to limited range of data type
arch/mips/lib/uncached.c:57: warning: comparison is always true due to limited range of data type
arch/mips/lib/uncached.c:58: warning: comparison is always false due to limited range of data type
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Chris Dearman [Thu, 1 Feb 2007 19:54:13 +0000 (19:54 +0000)]
[MIPS] Comment fix
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Sun, 4 Feb 2007 23:23:00 +0000 (23:23 +0000)]
[MIPS] MT: Nuke duplicate mips_mt_regdump() prototype.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Alexander Bigga [Thu, 21 Dec 2006 10:25:19 +0000 (11:25 +0100)]
[MIPS] Alchemy: Fix PCI-memory access
The problem was introduced in 2.6.18.3 with the casting of some
36bit-defines (PCI memory) in au1000.h to resource_size_t which may be
u32 or u64 depending on the experimental CONFIG_RESOURCES_64BIT.
With unset CONFIG_RESOURCES_64BIT, the pci-memory cannot be accessed
because the ioremap in arch/mips/au1000/common/pci.c already used the
truncated addresses.
With set CONFIG_RESOURCES_64BIT, things get even worse, because PCI-scan
aborts, due to resource conflict: request_resource() in arch/mips/pci/pci.c
fails because the maximum iomem-address is 0xffffffff (32bit) but the
pci-memory-start-address is 0x440000000 (36bit).
To get pci working again, I propose the following patch:
1. remove the resource_size_t-casting from au1000.h again
2. make the casting in arch/mips/au1000/common/pci.c (it's allowed and
necessary here. The 36bit-handling will be done in __fixup_bigphys_addr).
With this patch pci works again like in 2.6.18.2, the gcc-compile warnings
in pci.c are gone and it doesn't depend on CONFIG_EXPERIMENTAL.
Signed-off-by: Alexander Bigga <ab@mycable.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Chris Dearman [Thu, 1 Feb 2007 19:54:13 +0000 (19:54 +0000)]
[MIPS] Move .set reorder out of conditional code
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Chris Dearman [Thu, 1 Feb 2007 19:54:13 +0000 (19:54 +0000)]
[MIPS] Check FCSR for pending interrupts before restoring from a context.
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 7 Nov 2006 09:23:57 +0000 (09:23 +0000)]
[MIPS] Jaguar ATX: Fix large number of warnings.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 7 Nov 2006 09:25:51 +0000 (09:25 +0000)]
[MIPS] Jaguar: Fix MAC address detection after platform_device conversion.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 5 Feb 2007 00:33:21 +0000 (00:33 +0000)]
[MIPS] SMTC: Make a bunch of functions and variables static.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Joseph S. Myers [Wed, 10 Jan 2007 12:30:50 +0000 (12:30 +0000)]
[MIPS] Use compat_sys_pselect6
The N32 and O32 pselect6 syscalls need to use compat_sys_pselect6 to
translate arguments from 32-bit to 64-bit layout.
Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 5 Feb 2007 00:34:20 +0000 (00:34 +0000)]
[MIPS] SMTC: Cleanup idle hook invocation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
David Quigley [Wed, 28 Jun 2006 13:36:46 +0000 (09:36 -0400)]
[MIPS] SELinux: Add security hooks to mips-mt {get,set}affinity
This patch adds LSM hooks into the setaffinity and getaffinity functions
for the mips architecture to enable security modules to control these
operations between tasks with different security attributes. This
implementation uses the existing task_setscheduler and task_getscheduler
LSM hooks.
Signed-Off-By: David Quigley <dpquigl@tycho.nsa.gov>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 5 Feb 2007 00:05:08 +0000 (00:05 +0000)]
[MIPS] IRIX: Linux coding style cleanups.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 7 Nov 2006 10:19:05 +0000 (10:19 +0000)]
[MIPS] PB1100: Fix pile of warnings
CC arch/mips/au1000/pb1100/board_setup.o
arch/mips/au1000/pb1100/board_setup.c: In function ‘board_setup’:
arch/mips/au1000/pb1100/board_setup.c:104: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:105: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:105: warning: passing argument 2 of ‘writeb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:109: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:110: warning: passing argument 1 of ‘readb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:110: warning: passing argument 2 of ‘writeb’ makes pointer from integer without a cast
arch/mips/au1000/pb1100/board_setup.c:51: warning: unused variable ‘sys_clksrc’
arch/mips/au1000/pb1100/board_setup.c:51: warning: unused variable ‘sys_freqctrl’
arch/mips/au1000/pb1100/board_setup.c:50: warning: unused variable ‘pin_func’
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 7 Nov 2006 09:58:30 +0000 (09:58 +0000)]
[MIPS] Alchemy: Fix bunch of warnings
CC arch/mips/au1000/common/pci.o
arch/mips/au1000/common/pci.c:42: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c:43: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c:49: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c:50: warning: large integer implicitly truncated to unsigned type
arch/mips/au1000/common/pci.c: In function ‘au1x_pci_setup’:
arch/mips/au1000/common/pci.c:82: warning: ISO C90 forbids mixed declarations and code
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 5 Feb 2007 00:10:11 +0000 (00:10 +0000)]
[MIPS] Whitespace cleanups.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 7 Nov 2006 10:22:31 +0000 (10:22 +0000)]
[MIPS] Alchemy: Fix bunch more warnings.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ahmed S. Darwish [Mon, 5 Feb 2007 02:42:11 +0000 (04:42 +0200)]
[MIPS] Use ARRAY_SIZE macro when appropriate
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Jan Altenberg [Thu, 25 Jan 2007 19:46:14 +0000 (20:46 +0100)]
[MIPS] Fix some whitespace damage
Signed-off-by: Jan Altenberg <jan@linutronix.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Mathieu Desnoyers [Sun, 4 Feb 2007 04:16:51 +0000 (23:16 -0500)]
[MIPS] Add missing ifdef arch/mips/pmc-sierra/yosemite/setup.c
early_serial_setup is only defined when CONFIG_SERIAL_8250 is set.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Sat, 3 Feb 2007 15:57:25 +0000 (00:57 +0900)]
[MIPS] Fix pb1200/irqmap.c and apply some missed patches
pb1200/irqmap.c had been broken a while due to non-named initializer
and had missed some recent IRQ related changes. Apply these commits
to this file.
[MIPS] IRQ cleanups
commit
1603b5aca4f15b34848fb5594d0c7b6333b99144
[MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irq
commit
1417836e81c0ab8f5a0bfeafa90d3eaa41b2a067
[MIPS] Compile __do_IRQ() when really needed
commit
e77c232cfc6e1250b2916a7c69225d6634d05a49
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Fri, 2 Feb 2007 11:13:35 +0000 (11:13 +0000)]
[MIPS] Do not allow oprofile to be enabled on SMTC.
Oprofile cannot work on SMTC due to the limited number of counters.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Robert P. J. Day [Thu, 1 Feb 2007 10:45:14 +0000 (05:45 -0500)]
[MIPS] Remove superfluous "ifdef CONFIG_KGDB".
Given that the Makefiles involved already have conditional compilation of
the form:
obj-$(CONFIG_KGDB) += dbg_io.o
there seems to be little value for the dbg_io.c source files to check
that config variable yet again.
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 6 Feb 2007 16:53:17 +0000 (16:53 +0000)]
[MIPS] vpe_elfload and vpe_run are only used locally, make them static.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 6 Feb 2007 16:53:16 +0000 (16:53 +0000)]
[MIPS] SMTC: remove unused atomic_postclear
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Tue, 23 Jan 2007 16:21:05 +0000 (01:21 +0900)]
[MIPS] Move some kernel globals from asm file to C file.
This get rid of some undesirable hole in BSS section due to random
order of placement.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Tue, 23 Jan 2007 13:29:06 +0000 (22:29 +0900)]
[MIPS] Remove _fdata from asm-mips/sections.h
There is no _fdata symbol in kernel.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Tue, 6 Feb 2007 16:53:15 +0000 (16:53 +0000)]
[MIPS] Kconfig: Provide sane NR_CPUS defaults for more configurations
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Yoichi Yuasa [Thu, 18 Jan 2007 13:27:11 +0000 (22:27 +0900)]
[MIPS] vr41xx: Use symbolic names for IRQ numers
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Sun, 14 Jan 2007 15:07:25 +0000 (00:07 +0900)]
[MIPS] use name instead of typename for each irq_chip
The "typename" field was obsoleted by the "name" field.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Tue, 16 Jan 2007 14:29:11 +0000 (23:29 +0900)]
[MIPS] Kconfig: Move some entries to appropriate menu
Currently KEXEC is in "Machine selection", SECCOMP, PM, APM are in
"Executable file formats" menu. Move KEXEC and SECCOMP to "Kernel
type" and PM, APM to new "Power management options" menu. Also
replace "config PM" with kernel/power/Kconfig.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Yoichi Yuasa [Thu, 11 Jan 2007 14:53:18 +0000 (23:53 +0900)]
[MIPS] vr41xx: add MACINT controls
This patch has added MACINT controls.
They are necessary for VR4133 ethernet driver.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Franck Bui-Huu [Wed, 10 Jan 2007 08:44:05 +0000 (09:44 +0100)]
[MIPS] FLATMEM: introduce PHYS_OFFSET.
The old code was assuming that min_low_pfn was always 0. This
means that platforms having a big hole at their memory start
paid the price of wasting some memory for the allocation of
unused entries in mem_map[].
This patch prevents this waste.
It introduces PHYS_OFFSET define which is the start of the
physical memory and uses it wherever needed. Specially when
converting physical/virtual addresses into virtual/physical
ones.
Currently all platforms defines PHYS_OFFSET to 0.
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Franck Bui-Huu [Wed, 10 Jan 2007 08:44:04 +0000 (09:44 +0100)]
[MIPS] Setup min_low_pfn/max_low_pfn correctly
This patch makes a better usage of these two globals.
'min_low_pfn' is now correctly setup for all configs, which
allow us to rely on it in boot memory code init.
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Sun, 17 Dec 2006 15:07:40 +0000 (00:07 +0900)]
[MIPS] Unify memset.S
The 32-bit version and 64-bit version are almost equal. Unify them.
This makes further improvements (for example, supporting CDEX, etc.)
easier.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Fri, 29 Dec 2006 15:43:59 +0000 (00:43 +0900)]
[MIPS] prom_free_prom_memory cleanup
Current prom_free_prom_memory() implementations are almost same as
free_init_pages(), or no-op. Make free_init_pages() extern (again)
and make prom_free_prom_memory() use it.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Sun, 14 Jan 2007 14:41:42 +0000 (23:41 +0900)]
[MIPS] Make I8259A_IRQ_BASE customizable
Move I8259A_IRQ_BASE from asm/i8259.h to asm/mach-generic/irq.h and
make it really customizable. And remove I8259_IRQ_BASE declared on
some platforms. Currently only NEC_CMBVR4133 is using custom
I8259A_IRQ_BASE value.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Sun, 7 Jan 2007 17:14:29 +0000 (02:14 +0900)]
[MIPS] Define MIPS_CPU_IRQ_BASE in generic header
The irq_base for {mips,rm7k,rm9k}_cpu_irq_init() are constant on all
platforms and are same value on most platforms (0 or 16, depends on
CONFIG_I8259). Define them in asm-mips/mach-generic/irq.h and make
them customizable. This will save a few cycle on each CPU interrupt.
A good side effect is removing some dependencies to MALTA in generic
SMTC code.
Although MIPS_CPU_IRQ_BASE is customizable, this patch changes irq
mappings on
DDB5477, EMMA2RH and MIPS_SIM, since really customizing
them might cause some header dependency problem and there seems no
good reason to customize it. So currently only VR41XX is using custom
MIPS_CPU_IRQ_BASE value, which is 0 regardless of CONFIG_I8259.
Testing this patch on those platforms is greatly appreciated. Thank
you.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Sun, 7 Jan 2007 15:20:24 +0000 (00:20 +0900)]
[MIPS] Remove unused rm9k_cpu_irq_disable()
rm9k_cpu_irq_disable() is unused since commit
1603b5aca4f15b34848fb5594d0c7b6333b99144. Remove it.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Wendy Cheng [Tue, 6 Feb 2007 08:52:16 +0000 (03:52 -0500)]
[GFS2] nfsd readdirplus assertion failure
Glock assertion failure found in '07 NFS connectathon. One of the NFSDs
is doing a "readdirplus" procedure call. It passes the logic into
gfs2_readdir() where it obtains its directory inode glock. This is then
followed by filehandle construction that invokes lookup code. It hits
the assertion failure while trying to obtain the inode glock again
inside gfs2_drevalidate().
This patch bypasses the recursive glock call if caller already holds the
lock.
Signed-off-by: S. Wendy Cheng <wcheng@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Jan Beulich [Tue, 6 Feb 2007 02:53:04 +0000 (18:53 -0800)]
[IA64] swiotlb abstraction (e.g. for Xen)
Add abstraction so that the file can be used by environments other than IA64
and EM64T, namely for Xen.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Jan Beulich [Tue, 6 Feb 2007 02:51:25 +0000 (18:51 -0800)]
[IA64] swiotlb cleanup
- add proper __init decoration to swiotlb's init code (and the code calling
it, where not already the case)
- replace uses of 'unsigned long' with dma_addr_t where appropriate
- do miscellaneous simplicfication and cleanup
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Jan Beulich [Tue, 6 Feb 2007 02:49:45 +0000 (18:49 -0800)]
[IA64] make swiotlb use bus_to_virt/virt_to_bus
Convert all phys_to_virt/virt_to_phys uses to bus_to_virt/virt_to_bus, as is
what is meant and what is needed in (at least) some virtualized environments
like Xen.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Acked-by: Muli Ben-Yehuda <muli@il.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Jan Beulich [Tue, 6 Feb 2007 02:46:40 +0000 (18:46 -0800)]
[IA64] swiotlb bug fixes
This patch fixes
- marking I-cache clean of pages DMAed to now only done for IA64
- broken multiple inclusion in include/asm-x86_64/swiotlb.h
- missing call to mark_clean in swiotlb_sync_sg()
- a (perhaps only theoretical) issue in swiotlb_dma_supported() when
io_tlb_end is exactly at the end of memory
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Fenghua Yu [Tue, 6 Feb 2007 00:07:57 +0000 (16:07 -0800)]
[IA64] Hook up getcpu system call for IA64
getcpu system call returns cpu# and node# on which this system call and
its caller are running. This patch hooks up its implementation on IA64.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Bob Picco [Tue, 6 Feb 2007 00:20:08 +0000 (16:20 -0800)]
[IA64] clean up sparsemem memory_present call
Eliminate arch specific memory_present call ia64 NUMA by utilizing
sparse_memory_present_with_active_regions.
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Bob Picco <bob.picco@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
George Beshers [Tue, 6 Feb 2007 00:20:04 +0000 (16:20 -0800)]
[IA64] show_mem() for IA64 sparsemem NUMA
On the ia64 architecture only this patch upgrades show_mem() for sparse
memory to be the same as it was for discontig memory. It has been shown to
work on NUMA and flatmem architectures.
Signed-off-by: George Beshers <gbeshers@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Jan Beulich [Tue, 6 Feb 2007 00:20:03 +0000 (16:20 -0800)]
[IA64] missing exports hwsw_sync_...
Add missing exports to allow several drivers to be built as module with
CONFIG_IA64_HP_ZX1_SWIOTLB.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Kirill Korotaev [Tue, 6 Feb 2007 00:20:00 +0000 (16:20 -0800)]
[IA64] virt_to_page() can be called with NULL arg
It does not return NULL when arg is NULL.
Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Kirill Korotaev [Tue, 6 Feb 2007 00:19:59 +0000 (16:19 -0800)]
[IA64] alignment bug in ldscript
Occasionally the FSYS_RETURN patch list can have an odd length, causing other
data structures to get out of alignment. In OpenVZ it is odd and we get
misaligned kernel image, which does not boot.
Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Bob Picco [Tue, 30 Jan 2007 10:11:09 +0000 (02:11 -0800)]
[IA64] register memory ranges in a consistent manner
While pursuing and unrelated issue with 64Mb granules I noticed a problem
related to inconsistent use of add_active_range. There doesn't appear any
reason to me why FLATMEM versus DISCONTIG_MEM should register memory to
add_active_range with different code. So I've changed the code into a
common implementation.
The other subtle issue fixed by this patch was calling add_active_range in
count_node_pages before granule aligning is performed. We were lucky with
16MB granules but not so with 64MB granules. count_node_pages has reserved
regions filtered out and as a consequence linked kernel text and data
aren't covered by calls to count_node_pages. So linked kernel regions
wasn't reported to add_active_regions. This resulted in free_initmem
causing numerous bad_page reports. This won't occur with this patch
because now all known memory regions are reported by
register_active_ranges.
Acked-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Bob Picco <bob.picco@hp.com>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Jan Beulich [Wed, 3 Jan 2007 09:26:21 +0000 (09:26 +0000)]
[IA64] Enable SWIOTLB only when needed
Don't force CONFIG_SWIOTLB on when not actually needed (i.e. HP_ZX1 and
SGI_SN2).
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Russ Anderson [Mon, 8 Jan 2007 22:05:08 +0000 (16:05 -0600)]
[IA64-SGI] Check for TIO errors on shub2 Altix
The shub2 error interrupt handler must check for TIO errors.
Signed-off-by: Russ Anderson (rja@sgi.com)
Signed-off-by: Tony Luck <tony.luck@intel.com>
Alex Williamson [Mon, 15 Jan 2007 16:33:55 +0000 (09:33 -0700)]
[IA64] remove bogus prototype ia64_esi_init()
This function doesn't exist.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Alex Williamson [Thu, 25 Jan 2007 05:48:04 +0000 (22:48 -0700)]
[IA64] Clear IRQ affinity when unregistered
When we offline a CPU, migrate_irqs() tries to determine whether the
affinity bits of the IRQ descriptor match any of the remaining online
CPUs. If not, it fixes up the interrupt to point somewhere else.
Unfortunately, if an IRQ is unregistered the IRQ descriptor may still
have affinity to the CPU being offlined, but the no_irq_chip handler
doesn't provide a set_affinity function. This causes us to hit the
WARN_ON in migrate_irqs().
The easiest solution seems to be setting all the bits in the affinity
mask when the last interrupt is removed from the vector. I hit this on
an older kernel with Xen/ia64 using driver domains (so it probably needs
more testing on upstream). Xen essentially uses the bind/unbind
interface in sysfs to unregister a device from a driver and thus
unregister the interrupt.
Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Len Brown [Fri, 26 Jan 2007 05:38:53 +0000 (00:38 -0500)]
[IA64] fix ACPI Kconfig issues
All IA64 systems except IA64_HP_SIM include ACPI and PCI.
So prevent IA64 Kconfigs that try to do irritating things like building
PCI without building ACPI.
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Bernhard Walle [Sun, 28 Jan 2007 12:47:02 +0000 (13:47 +0100)]
[IA64] Fix NULL-pointer dereference in ia64_machine_kexec()
This patch fixes a NULL-pointer dereference in ia64_machine_kexec().
The variable ia64_kimage is set in machine_kexec_prepare() which is
called from sys_kexec_load(). If kdump wasn't configured before,
ia64_kimage is NULL. machine_kdump_on_init() passes ia64_kimage() to
machine_kexec() which assumes a valid value.
The patch also adds a few sanity checks for the image to simplify
debugging of similar problems in future.
Signed-off-by: Bernhard Walle <bwalle@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
bibo,mao [Tue, 30 Jan 2007 03:02:19 +0000 (11:02 +0800)]
[IA64] find thread for user rbs address
I encountered one problem when running ptrace test case the situation
is this: traced process's syscall parameter needs to be accessed, but
for sys_clone system call with clone_flag (CLONE_VFORK | CLONE_VM |
SIGCHLD) parameter. This syscall's parameter accessing result is wrong.
The reason is that vforked child process mm point is the same, but
tgid is different. Without this patch find_thread_for_addr will return
vforked process if vforked process is also stopped, but not the thread
which calls vfork syscall.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Aron Griffis [Mon, 5 Feb 2007 21:54:31 +0000 (13:54 -0800)]
[IA64] use snprintf() on features field of /proc/cpuinfo
Some patches have turned up on xen-devel recently to convert strcpy()
to safer alternatives and so forth. While reviewing those patches
I noticed that the features string building could be cleaned up.
This patch uses snprintf() instead of strcpy() and direct character
pointer manipulation. It makes the features string building safe and
gets rid of the special case for features output in show_cpuinfo()
Additionally I removed the (int) cast of ARRAY_SIZE, which seems to
serve no purpose.
Signed-off-by: Aron Griffis <aron@hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
bibo,mao [Wed, 31 Jan 2007 09:50:31 +0000 (17:50 +0800)]
[IA64] enable singlestep on system call
As is pointed out in
http://www.gelato.org/community/view_linear.php?id=1_1036&from=authors&value=Ian%20Wienand#1_1039,
if single step on break instruction, the break fault has higher
priority than the single-step trap. When the break fault handler
is entered, it advances the IP by 1 instruction so break instruction
single-stepping is skipped, actually it is next instruction which
is single stepped.
This patch modifies this, it adds TIF_SINGLESTEP bit for thread
flags, and generate a fake sigtrap when single stepping break
instruction. Test case in attachment can verify this. Any comments
is welcome.
Signed-off-by: bibo, mao <bibo.mao@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Horms [Mon, 5 Feb 2007 21:49:10 +0000 (13:49 -0800)]
[IA64] kexec: Move machine_shutdown from machine_kexec.c to process.c
This moves the ia64 implementation of machine_shutdown() from
machine_kexec.c to process.c, which is in keeping with the implelmentation
on other architectures, and seems like a much more appropriate home for it.
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Heiko Carstens [Mon, 5 Feb 2007 20:18:53 +0000 (21:18 +0100)]
[S390] Avoid excessive inlining.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Heiko Carstens [Mon, 5 Feb 2007 20:18:41 +0000 (21:18 +0100)]
[S390] Mark kernel text section read-only.
Set read-only flag in the page table entries for the kernel image text
section. This will catch all instruction caused corruptions withing the
text section.
Instruction replacement via kprobes still works, since it bypasses now
dynamic address translation.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Heiko Carstens [Mon, 5 Feb 2007 20:18:37 +0000 (21:18 +0100)]
[S390] Convert memory detection into C code.
Hopefully this will make it more maintainable and less error prone.
Code makes use of search_exception_tables(). Since it calls this
function before the kernel exeception table is sorted, there is an
early call to sort_main_extable().
This way it's easy to use the already present infrastructure of fixup
sections. Also this would allows to easily convert the rest of
head[31|64].S into C code.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Martin Schwidefsky [Mon, 5 Feb 2007 20:18:31 +0000 (21:18 +0100)]
[S390] Calibrate delay and bogomips.
Preset the bogomips number to the cpu capacity value reported by
store system information in SYSIB 1.2.2. This value is constant
for a particular machine model and can be used to determine
relative performance differences between machines.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Michael Holzheu [Mon, 5 Feb 2007 20:18:29 +0000 (21:18 +0100)]
[S390] Hypervisor filesystem (s390_hypfs) for z/VM
This is an extension of the already existing hypfs for LPAR (DIAG 204).
Data returned by DIAG 2fc is exported using the s390_hypfs when Linux
is running under z/VM. Information about cpus and memory is provided.
Data is put into different virtual files which can be accessed from user
space. All values are represented as ASCII strings
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Michael Holzheu [Mon, 5 Feb 2007 20:18:26 +0000 (21:18 +0100)]
[S390] Add crypto support for 3592 tape devices
3592 tape devices are able to write data encrpyted on tape mediums.
This z/Linux device driver support includes the following functions:
* ioctl to switch on/off encryption
* ioctl to query encryption status of drive
* ioctls to set and query key encrypting keys (kekls)
* long busy interrupt handling
Signed-off-by: Michael Holzheu <holzheu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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