| Commit message (Collapse) | Author | Age | Files | Lines |
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Reported by: Manuel Lauss <mano@roarinelk.homelinux.net>
compiled with CONFIG_FB_I810_I2C = n and CONFIG_FB_I810 = y
it oopses at boot in file drivers/video/i810/i810_main.c:1884
...
Unable to handle kernel NULL pointer dereference at virtual address 00000054
printing eip:
c02543c0
*pde = 00000000
Oops: 0000 [#1]
last sysfs file:
Modules linked in:
CPU: 0
EIP: 0060:[<c02543c0>] Not tainted VLI
EFLAGS: 00010286 (2.6.13-mm2)
EIP is at i810fb_find_init_mode+0x53/0x93
eax: c113ddd4 ebx: c1194000 ecx: c04be2dd edx: c1194000
esi: c1194008 edi: c113ddd4 ebp: c1194240 esp: c113ddcc
ds: 007b es: 007b ss: 0068
struct fb_monspecs *specs is initialized to NULL causing the oops.
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Create common start code for all 68360 based platforms that are
loaded and run directly from RAM (as opposed to running from
flash/ROM). This replaces the old specific startup code for
each board.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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processors
Allow for differences in the SDRAM controller setup and GPIO pin setup
of the 5270/1 and 5274/5 parts. With separate config options for each
now this no longer needs to be board specific.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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processor family
Add support for the FEC ethernet driver of the Freescale 523x processor
family to the FEC header definitions.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add QSPI register definitions of ColdFIre 528x processor SPI controller.
Patch originally submitted by Derek Cheung <derek.cheung@sympatico.ca>
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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nommu.c
Move call to get_mm_counter() in update_mem_hiwater() to be
inside the check for tsk->mm being null. Otherwise you can be
following a null pointer here. This patch submitted by
Javier Herrero <jherrero@hvsistemas.es>.
Modify the end check for munmap regions to allow for the
legacy behavior of 0 being valid. Pretty much all current
uClinux system libc malloc's pass in 0 as the end point.
A hard check will fail on these, so change the check so
that if it is non-zero it must be valid otherwise it fails.
A passed in value will always succeed (as it used too).
Also export a few more mm system functions - to be consistent
with the VM code exports.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Support the DMA unit of the ColdFire 523x processor family.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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We should not call mtd_put_device() in the uclinux MTD map driver.
Also consistently use phys/virt fields of maps map_info struct,
instead of mixing it with map_priv_1.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add support for the new Freescale 523x processor family to ColdFire
serial driver. Also set different default baud rate for MOD5272
board.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Change addr arg to find_next_zero_bit to be a const.
Cleans up compiler warning.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Bring arg types for csum_partial_copy and csum_paritial_copy_from_user
prototypes into line with their actual implementation.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Create common start code for all 68360 based platforms that are
loaded and run directly from ROM/flash (as opposed to running from
RAM). This replaces the old specific startup code for each board.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add support for the cache of the ColdFIre 523x family of processors.
Enable the 528x cache by default now, all final shipping silicon
has the cache bug fixed.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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A few improvements to the Freescale/ColdFire FEC driver:
. some formatting cleanups
. add support for the FEC device in the ColdFire 523x processor family
. add support for MAC address setting on MOD5272 and M5272C3 boards
. don't re-read the PHY status register many times
. ack status interrupt before reading status register
. move printing init message to after full init (so that the
ethX name is filled out for printing)
Some parts of this patch submitted by Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Add configuration support for the FEC ethernet controller in the
Freescale 523x processor family. Also add and option to configure
the second FEC controller on some Freescale processors.
Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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master.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6
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- notifying the PROM of specific features that are supported by the OS.
This is used to enable PROM feature if and only if the corresponding
feature is implemented in the OS
- fetch feature sets that are supported by the current PROM. This allows
the OS to selectively enable features when the PROM support is available.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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I've solved the problem I was having with the simulator and not
booting Debian.
The problem is that the number of bits for the virtual linear array
short-format VHPT (Virtually mapped linear page table, VMLPT for
short) is being tested incorrectly.
There are two problems:
1. The PAL call that should tell the kernel the size of the
virtual address space isn't implemented for the simulator, so
the kernel uses the default 50. This is addressed separately
in dc90e95f310f4f821c905b2aec8e9449bb3270fa
2. In arch/ia64/mm/init.c there's code to calcualte the size
of the VMLPT based on the number of implemented virtual address
bits and the page size. It checks to see if the VMLPT base
address overlaps the top of the mapped region, but this check
doesn't allow for the address space hole, and in fact will
never trigger.
Here's an alternative test and panic, that I think is more accurate.
Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Not all of the PAL VM calls are implemented for the SKI simulator.
Don't just give up if one fails, print information from the calls
that succeed.
Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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This patch implements PAL_VM_SUMMARY (and PAL_MEM_ATTRIB for good
measure) and pretends that the simulated machine is a McKinley.
Some extra comments and clean-up by Tony Luck.
Signed-off-by: Peter Chubb <peterc@gelato.unsw.edu.au>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Delete the special case unwind code that was only used by the old
MCA/INIT handler.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Remove the physical mode path from minstate.h.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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The bulk of the change. Use per cpu MCA/INIT stacks. Change the SAL
to OS state (sos) to be per process. Do all the assembler work on the
MCA/INIT stacks, leaving the original stack alone. Pass per cpu state
data to the C handlers for MCA and INIT, which also means changing the
mca_drv interfaces slightly. Lots of verification on whether the
original stack is usable before converting it to a sleeping process.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Reading the INIT record from SAL during the INIT event has proved to be
unreliable, and a source of hangs during INIT processing. The new
MCA/INIT handlers remove the need to get the INIT record from SAL.
Change salinfo.c so mca.c can just flag that a new record is available,
without having to read the record during INIT processing. This patch
can be applied without the new MCA/INIT handlers.
Also clean up some usage of NR_CPUS which should have been using
cpu_online().
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Add an extra thread_info flag to indicate the special MCA/INIT stacks.
Mainly for debuggers.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Scheduler hooks to see/change which process is deemed to be on a cpu.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Cannot build MIPS now.
We need to change offset.c to asm-offsets.c
Signed-off-by: Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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Al Viro reported that sometimes silentoldconfig failed because
output directory was missing.
So create it unconditionally before executing conf
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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When introducing the generic asm-offsets.h support the dependency
chain for the prepare targets was changed. All build scripts expecting
include/asm/asm-offsets.h to be made when using the prepare target would broke.
With the limited number of prepare targets left in arch Makefiles
the trivial solution was to introduce a new arch specific target: archprepare
The dependency chain looks like this now:
prepare
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+--> prepare0
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+--> archprepare
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+--> scripts_basic
+--> prepare1
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+---> prepare2
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+--> prepare3
So prepare 3 is processed before prepare2 etc.
This guaantees that the asm symlink, version.h, scripts_basic
are all updated before archprepare is processed.
prepare0 which build the asm-offsets.h file will need the
actions performed by archprepare.
The head target is now named prepare, because users scripts will most
likely use that target, but prepare-all has been kept for compatibility.
Updated Documentation/kbuild/makefiles.txt.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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If the CM REQ handling function gets to error2, then it frees
cm_id_priv->timewait_info. But the next line goes through
ib_destroy_cm_id() -> ib_send_cm_rej() -> cm_reset_to_idle(),
which ends up calling cm_cleanup_timewait(), which dereferences the
pointer we just freed. Make sure we clear cm_id_priv->timewait_info
after freeing it, so that doesn't happen.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Changes to CM to support CM and port redirection (REJ reason 24).
Signed-off-by: John Kingman <kingman <at> storagegear.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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completion events after destroying a CQ, QP or SRQ. We do this by
sweeping the event lists before returning from a destroy calls, and
then return the number of events already reported before the destroy
call. This allows userspace wait until it has processed all events
for an object returned from the kernel before it frees its context for
the object.
The ABI of the destroy CQ, destroy QP and destroy SRQ commands has to
change to return the event count, so bump the ABI version from 1 to 2.
The userspace libibverbs library has already been updated to handle
both the old and new ABI versions.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add structure definition for ClassPortInfo format. This is
needed for (at least) handling CM redirects.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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SA: Move SA attributes to ib_sa.h so are accessible to more than
sa_query.c. Also, remove deprecated attributes and add one missing one.
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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ib_sa.h: Define more SA methods (initially for madeye decode)
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add a new config option INFINIBAND_USER_MAD to control whether we
build ib_umad. Change INFINIBAND_USER_VERBS to INFINIBAND_USER_ACCESS,
and have it control ib_ucm and ib_uat as well as ib_uverbs.
Signed-off-by: James Lentini <jlentini@netapp.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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- Fix payload length of middle RMPP sent segments. Middle payload
lengths should be 0 on the send side.
(This is perhaps a compliance and should not be an interop issue as
middle payload lengths are supposed to be ignored on receive).
- Fix length in first segment of multipacket sends
(This is a compliance issue but does not affect at least OpenIB to
OpenIB RMPP transfers).
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add missing call to init_waitqueue_head().
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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When we modify a QP to the RESET state, completely clean up the QP
so that it is really and truly reset.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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- Add user specified context to all uCM events. Users will not retrieve
any events associated with the context after destroying the corresponding
cm_id.
- Provide the ib_cm_init_qp_attr() call to userspace clients of the CM.
This call may be used to set QP attributes properly before modifying the QP.
- Fixes some error handling synchonization and cleanup issues.
- Performs some minor code cleanup.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Using ib_get_client_data in SA event handler performs a list scan.
It's better to use container_of to get the sa device directly.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Fix IPoIB memory leak on device removal.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Clash due to new delete_inode behavior (the filesystem now needs to do
the truncate_inode_pages() call itself).
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This atomically initializes the security xattr when an object is created
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
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Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
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Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
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This ports the Sun GEM ROM mapping/enable fixes it sunhme (which used
the same PCI ROM mapping code).
Without this, I get NULL MAC addresses for all 4 ports (it's a SUN QFE).
With it, I get the correct addresses (the ones printed on the label on
the card).
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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