Commit Graph

159 Commits

Author SHA1 Message Date
Linus Torvalds 3c83e61e67 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 "The main set of series of patches for media subsystem, including:
   - document RC sysfs class
   - added an API to setup scancode to allow waking up systems using the
     Remote Controller
   - add API for SDR devices.  Drivers are still on staging
   - some API improvements for getting EDID data from media
     inputs/outputs
   - new DVB frontend driver for drx-j (ATSC)
   - one driver (it913x/it9137) got removed, in favor of an improvement
     on another driver (af9035)
   - added a skeleton V4L2 PCI driver at documentation
   - added a dual flash driver (lm3646)
   - added a new IR driver (img-ir)
   - added an IR scancode decoder for the Sharp protocol
   - some improvements at the usbtv driver, to allow its core to be
     reused.
   - added a new SDR driver (rtl2832u_sdr)
   - added a new tuner driver (msi001)
   - several improvements at em28xx driver to fix PM support, device
     removal and to split the V4L2 specific bits into a separate
     sub-driver
   - one driver got converted to videobuf2 (s2255drv)
   - the e4000 tuner driver now follows an improved binding model
   - some fixes at V4L2 compat32 code
   - several fixes and enhancements at videobuf2 code
   - some cleanups at V4L2 API documentation
   - usual driver enhancements, new board additions and misc fixups"

[ NOTE! This merge effective drops commit 4329b93b28 ("of: Reduce
  indentation in of_graph_get_next_endpoint").

  The of_graph_get_next_endpoint() function was moved and renamed by
  commit fd9fdb78a9 ("[media] of: move graph helpers from
  drivers/media/v4l2-core to drivers/of").  It was originally called
  v4l2_of_get_next_endpoint() and lived in the file
  drivers/media/v4l2-core/v4l2-of.c.

  In that original location, it was then fixed to support empty port
  nodes by commit b9db140c1e ("[media] v4l: of: Support empty port
  nodes"), and that commit clashes badly with the dropped "Reduce
  intendation" commit.  I had to choose one or the other, and decided
  that the "Support empty port nodes" commit was more important ]

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (426 commits)
  [media] em28xx-dvb: fix PCTV 461e tuner I2C binding
  Revert "[media] em28xx-dvb: fix PCTV 461e tuner I2C binding"
  [media] em28xx: fix PCTV 290e LNA oops
  [media] em28xx-dvb: fix PCTV 461e tuner I2C binding
  [media] m88ds3103: fix bug on .set_tone()
  [media] saa7134: fix WARN_ON during resume
  [media] v4l2-dv-timings: add module name, description, license
  [media] videodev2.h: add parenthesis around macro arguments
  [media] saa6752hs: depends on CRC32
  [media] si4713: fix Kconfig dependencies
  [media] Sensoray 2255 uses videobuf2
  [media] adv7180: free an interrupt on failure paths in init_device()
  [media] e4000: make VIDEO_V4L2 dependency optional
  [media] af9033: Don't export functions for the hardware filter
  [media] af9035: use af9033 PID filters
  [media] af9033: implement PID filter
  [media] rtl2832_sdr: do not use dynamic stack allocation
  [media] e4000: fix 32-bit build error
  [media] em28xx-audio: make sure audio is unmuted on open()
  [media] DocBook media: v4l2_format_sdr was renamed to v4l2_sdr_format
  ...
2014-04-04 09:50:07 -07:00
Linus Torvalds 62ff577fa2 A bunch of EDAC updates all over the place:
* Support for new AMD models, along with more graceful fallback for
 unsupported hw.
 
 * Bunch of fixes from SUSE accumulated from bug reports
 
 * Misc other fixes and cleanups
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Merge tag 'edac_for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp

Pull EDAC updates from Borislav Petkov:
 "A bunch of EDAC updates all over the place:

   - Support for new AMD models, along with more graceful fallback for
     unsupported hw.

   - Bunch of fixes from SUSE accumulated from bug reports

   - Misc other fixes and cleanups"

* tag 'edac_for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
  amd64_edac: Add support for newer F16h models
  i7core_edac: Drop unused variable
  i82875p_edac: Drop redundant call to pci_get_device()
  amd8111_edac: Fix leaks in probe error paths
  e752x_edac: Drop pvt->bridge_ck
  MCE, AMD: Fix decoding module loading on unsupported hw
  i5100_edac: Remove an unneeded condition in i5100_init_csrows()
  sb_edac: Degrade log level for device registration
  amd64_edac: Fix logic to determine channel for F15 M30h processors
  edac/85xx: Remove deprecated IRQF_DISABLED
  i3200_edac: Add a missing pci_disable_device() on the exit path
  i5400_edac: Disable device when unloading module
  e752x_edac: Simplify call to pci_get_device()
2014-04-01 13:54:00 -07:00
Mauro Carvalho Chehab c897df0e2d Linux 3.14-rc5
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Merge tag 'v3.14-rc5' into patchwork

Linux 3.14-rc5

* tag 'v3.14-rc5': (1117 commits)
  Linux 3.14-rc5
  drm/vmwgfx: avoid null pointer dereference at failure paths
  drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
  drm/vmwgfx: Remove some unused surface formats
  MAINTAINERS: add maintainer entry for Armada DRM driver
  arm64: Fix !CONFIG_SMP kernel build
  arm64: mm: Add double logical invert to pte accessors
  dm cache: fix truncation bug when mapping I/O to >2TB fast device
  perf tools: Fix strict alias issue for find_first_bit
  powerpc/powernv: Fix indirect XSCOM unmangling
  powerpc/powernv: Fix opal_xscom_{read,write} prototype
  powerpc/powernv: Refactor PHB diag-data dump
  powerpc/powernv: Dump PHB diag-data immediately
  powerpc: Increase stack redzone for 64-bit userspace to 512 bytes
  powerpc/ftrace: bugfix for test_24bit_addr
  powerpc/crashdump : Fix page frame number check in copy_oldmem_page
  powerpc/le: Ensure that the 'stop-self' RTAS token is handled correctly
  kvm, vmx: Really fix lazy FPU on nested guest
  perf tools: fix BFD detection on opensuse
  drm/radeon: enable speaker allocation setup on dce3.2
  ...
2014-03-11 06:55:49 -03:00
Jean Delvare f118920baf i7core_edac: Drop unused variable
Fix the following warning:

drivers/edac/i7core_edac.c: In function "core_mce_output_error":
drivers/edac/i7core_edac.c:1711:8: warning: variable "type" set but not used [-Wunused-but-set-variable]
  char *type, *optype, *err;
        ^
According to Mauro, type can just be dropped, as tp_event now maps if
the error is corrected, uncorrected non-fatal or uncorrected fatal
one.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: http://lkml.kernel.org/r/20140224171358.692d7e5a@endymion.delvare
Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
2014-02-25 10:22:34 +01:00
Jean Delvare c0f5eeed0f i7core_edac: Fix PCI device reference count
The reference count changes done by pci_get_device can be a little
misleading when the usage diverges from the most common scheme. The
reference count of the device passed as the last parameter is always
decreased, even if the function returns no new device. So if we are
going to try alternative device IDs, we must manually increment the
device reference count before each retry. If we don't, we end up
decreasing the reference count, and after a few modprobe/rmmod cycles
the PCI devices will vanish.

In other words and as Alan put it: without this fix the EDAC code
corrupts the PCI device list.

This fixes kernel bug #50491:
https://bugzilla.kernel.org/show_bug.cgi?id=50491

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: http://lkml.kernel.org/r/20140224093927.7659dd9d@endymion.delvare
Reviewed-by: Alan Cox <alan@linux.intel.com>
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: stable@vger.kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
2014-02-25 08:54:45 +01:00
Mauro Carvalho Chehab 37e59f876b [media, edac] Change my email address
There are several left overs with my old email address.
Remove their occurrences and add myself at CREDITS, to
allow people to be able to reach me on my new addresses.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-02-07 08:03:07 -02:00
Jingoo Han ba935f4097 EDAC: Remove DEFINE_PCI_DEVICE_TABLE macro
Currently, there is no other bus that has something like this macro for
their device ids. Thus, DEFINE_PCI_DEVICE_TABLE macro should be removed.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Link: http://lkml.kernel.org/r/001c01ceefb3$5724d860$056e8920$%han@samsung.com
[ Boris: swap commit message with better one. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
2013-12-06 10:23:41 +01:00
Jingoo Han c7f62fc87b EDAC: Replace strict_strtoul() with kstrtoul()
The usage of strict_strtoul() is not preferred, because strict_strtoul()
is obsolete. Thus, kstrtoul() should be used.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
2013-06-08 10:16:33 +02:00
Mauro Carvalho Chehab 1339730e73 Linux 3.8-rc7
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Merge tag 'v3.8-rc7' into next

Linux 3.8-rc7

* tag 'v3.8-rc7': (12052 commits)
  Linux 3.8-rc7
  net: sctp: sctp_endpoint_free: zero out secret key data
  net: sctp: sctp_setsockopt_auth_key: use kzfree instead of kfree
  atm/iphase: rename fregt_t -> ffreg_t
  ARM: 7641/1: memory: fix broken mmap by ensuring TASK_UNMAPPED_BASE is aligned
  ARM: DMA mapping: fix bad atomic test
  ARM: realview: ensure that we have sufficient IRQs available
  ARM: GIC: fix GIC cpumask initialization
  net: usb: fix regression from FLAG_NOARP code
  l2tp: dont play with skb->truesize
  net: sctp: sctp_auth_key_put: use kzfree instead of kfree
  netback: correct netbk_tx_err to handle wrap around.
  xen/netback: free already allocated memory on failure in xen_netbk_get_requests
  xen/netback: don't leak pages on failure in xen_netbk_tx_check_gop.
  xen/netback: shutdown the ring if it contains garbage.
  drm/ttm: fix fence locking in ttm_buffer_object_transfer, 2nd try
  virtio_console: Don't access uninitialized data.
  net: qmi_wwan: add more Huawei devices, including E320
  net: cdc_ncm: add another Huawei vendor specific device
  ipv6/ip6_gre: fix error case handling in ip6gre_tunnel_xmit()
  ...
2013-02-20 15:45:52 -03:00
Greg Kroah-Hartman 9b3c6e85c2 Drivers: edac: remove __dev* attributes.
CONFIG_HOTPLUG is going away as an option.  As a result, the __dev*
markings need to be removed.

This change removes the use of __devinit, __devexit_p, and __devexit
from these drivers.

Based on patches originally written by Bill Pemberton, but redone by me
in order to handle some of the coding style issues better, by hand.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Jason Uhlenkott <juhlenko@akamai.com>
Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <david.daney@cavium.com>
Cc: Egor Martovetsky <egor@pasemi.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-01-03 15:57:03 -08:00
Niklas Söderlund c31d34fe92 i7core_edac: fix erroneous size of static array
Remove size from lookup arrays and mark them as const.

Reviewed-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Niklas Söderlund <niso@kth.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 08:01:20 -02:00
Prarit Bhargava 42709efb3a i7core_edac: fix panic when accessing sysfs files
The i7core_edac addrmatch_dev and chancounts_dev have sysfs files
associated with them.  The sysfs files, however, are coded so that the
parent device is is the mci device.  This is incorrect and the mci struct
should be obtained through the addrmatch_dev and chancounts_dev device's
private data field which is populated in i7core_create_sysfs_devices().

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-11-28 06:56:00 -02:00
Mauro Carvalho Chehab c2078e4c91 Merge branch 'devel'
* devel: (33 commits)
  edac i5000, i5400: fix pointer math in i5000_get_mc_regs()
  edac: allow specifying the error count with fake_inject
  edac: add support for Calxeda highbank L2 cache ecc
  edac: add support for Calxeda highbank memory controller
  edac: create top-level debugfs directory
  sb_edac: properly handle error count
  i7core_edac: properly handle error count
  edac: edac_mc_handle_error(): add an error_count parameter
  edac: remove arch-specific parameter for the error handler
  amd64_edac: Don't pass driver name as an error parameter
  edac_mc: check for allocation failure in edac_mc_alloc()
  edac: Increase version to 3.0.0
  edac_mc: Cleanup per-dimm_info debug messages
  edac: Convert debugfX to edac_dbg(X,
  edac: Use more normal debugging macro style
  edac: Don't add __func__ or __FILE__ for debugf[0-9] msgs
  Edac: Add ABI Documentation for the new device nodes
  edac: move documentation ABI to ABI/testing/sysfs-devices-edac
  i7core_edac: change the mem allocation scheme to make Documentation/kobject.txt happy
  edac: change the mem allocation scheme to make Documentation/kobject.txt happy
  ...
2012-07-29 21:11:05 -03:00
Mauro Carvalho Chehab 00d1833927 i7core_edac: properly handle error count
Instead of generating a burst of errors or reporting the error
count via driver-specific details, use the new way provided by
edac_mc_handle_error.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-12 12:15:48 -03:00
Mauro Carvalho Chehab 9eb07a7fb8 edac: edac_mc_handle_error(): add an error_count parameter
In order to avoid loosing error events, it is desirable to group
error events together and generate a single trace for several identical
errors.

The trace API already allows reporting multiple errors. Change the
handle_error function to also allow that.

The changes at the drivers were made by this small script:

	$file .=$_ while (<>);
	$file =~ s/(edac_mc_handle_error)\s*\(([^\,]+)\,([^\,]+)\,/$1($2,$3, 1,/g;
	print $file;

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-12 12:15:47 -03:00
Mauro Carvalho Chehab 03f7eae80f edac: remove arch-specific parameter for the error handler
Remove the arch-dependent parameter, as it were not used,
as the MCE tracepoint weren't implemented. It probably doesn't
make sense to have an MCE-specific tracepoint, as this will
cost more bytes at the tracepoint, and tracepoint is not free.

The changes at the EDAC drivers were done by this small perl script:

	$file .=$_ while (<>);
	$file =~ s/(edac_mc_handle_error)\s*\(([^\;]+)\,([^\,\)]+)\s*\)/$1($2)/g;
	print $file;

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11 13:23:52 -03:00
Joe Perches 956b9ba156 edac: Convert debugfX to edac_dbg(X,
Use a more common debugging style.

Remove __FILE__ uses, add missing newlines,
coalesce formats and align arguments.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11 13:23:49 -03:00
Mauro Carvalho Chehab dd23cd6eb1 edac: Don't add __func__ or __FILE__ for debugf[0-9] msgs
The debug macro already adds that. Most of the work here was
made by this small script:

$f .=$_ while (<>);

$f =~ s/(debugf[0-9]\s*\(\s*)__FILE__\s*": /\1"/g;
$f =~ s/(debugf[0-9]\s*\(\s*)__FILE__\s*/\1/g;
$f =~ s/(debugf[0-9]\s*\(\s*)__FILE__\s*"MC: /\1"/g;

$f =~ s/(debugf[0-9]\s*\(\")\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+)__func__\s*\,\s*/\1\2/g;
$f =~ s/(debugf[0-9]\s*\(\")\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+),\s*__func__\s*\)/\1\2)/g;
$f =~ s/(debugf[0-9]\s*\(\"MC\:\s*)\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+)__func__\s*\,\s*/\1\2/g;
$f =~ s/(debugf[0-9]\s*\(\"MC\:\s*)\%s[\:\,\(\)]*\s*([^\"]*\s*[^\)]+),\s*__func__\s*\)/\1\2)/g;

$f =~ s/\"MC\: \\n\"/"MC:\\n"/g;

print $f;

After running the script, manual cleanups were done to fix it the remaining
places.

While here, removed the __LINE__ on most places, as it doesn't actually give
useful info on most places.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11 13:23:47 -03:00
Mauro Carvalho Chehab 356f0a3086 i7core_edac: change the mem allocation scheme to make Documentation/kobject.txt happy
Kernel kobjects have rigid rules: each container object should be
dynamically allocated, and can't be allocated into a single kmalloc.

EDAC never obeyed this rule: it has a single malloc function that
allocates all needed data into a single kzalloc.

As this is not accepted anymore, change the allocation schema of the
EDAC *_info structs to enforce this Kernel standard.

Cc: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11 13:23:46 -03:00
Mauro Carvalho Chehab 5c4cdb5ae7 i7core_edac: convert it to use struct device
Instead of relying on a complex logic inside the edac core to create
a "device tree-like" sysfs struct, just use device_add.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11 13:23:41 -03:00
Mauro Carvalho Chehab fd687502dc edac: Rename the parent dev to pdev
As EDAC doesn't use struct device itself, it created a parent dev
pointer called as "pdev".  Now that we'll be converting it to use
struct device, instead of struct devsys, this needs to be fixed.

No functional changes.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Jason Uhlenkott <juhlenko@akamai.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Egor Martovetsky <egor@pasemi.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Joe Perches <joe@perches.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Hitoshi Mitake <h.mitake@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Shaohui Xie <Shaohui.Xie@freescale.com>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11 11:56:06 -03:00
Chen Gong e35fca4791 edac: avoid mce decoding crash after edac driver unloaded
Some edac drivers register themselves as mce decoders via
notifier_chain. But in current notifier_chain implementation logic,
it doesn't accept same notifier registered twice. If so, it will be
wrong when adding/removing the element from the list. For example,
on one SandyBridge platform, remove module sb_edac and then trigger
one error, it will hit oops because it has no mce decoder registered
but related notifier_chain still points to an invalid callback
function. Here is an example:

Call Trace:
 [<ffffffff8150ef6a>] atomic_notifier_call_chain+0x1a/0x20
 [<ffffffff8102b936>] mce_log+0x46/0x180
 [<ffffffff8102eaea>] apei_mce_report_mem_error+0x4a/0x60
 [<ffffffff812e19d2>] ghes_do_proc+0x192/0x210
 [<ffffffff812e2066>] ghes_proc+0x46/0x70
 [<ffffffff812e20d8>] ghes_notify_sci+0x48/0x80
 [<ffffffff8150ef05>] notifier_call_chain+0x55/0x80
 [<ffffffff81076f1a>] __blocking_notifier_call_chain+0x5a/0x80
 [<ffffffff812aea11>] ? acpi_os_wait_events_complete+0x23/0x23
 [<ffffffff81076f56>] blocking_notifier_call_chain+0x16/0x20
 [<ffffffff812ddc4d>] acpi_hed_notify+0x19/0x1b
 [<ffffffff812b16bd>] acpi_device_notify+0x19/0x1b
 [<ffffffff812beb38>] acpi_ev_notify_dispatch+0x67/0x7f
 [<ffffffff812aea3a>] acpi_os_execute_deferred+0x29/0x36
 [<ffffffff81069dc2>] process_one_work+0x132/0x450
 [<ffffffff8106bbcb>] worker_thread+0x17b/0x3c0
 [<ffffffff8106ba50>] ? manage_workers+0x120/0x120
 [<ffffffff81070aee>] kthread+0x9e/0xb0
 [<ffffffff81514724>] kernel_thread_helper+0x4/0x10
 [<ffffffff81070a50>] ? kthread_freezable_should_stop+0x70/0x70
 [<ffffffff81514720>] ? gs_change+0x13/0x13
Code: f3 49 89 d4 45 85 ed 4d 89 c6 48 8b 0f 74 48 48 85 c9 75 17 eb 41
0f 1f 80 00 00 00 00 41 83 ed 01 4c 89 f9 74 22 4d 85 ff 74 1d <4c> 8b
79 08 4c 89 e2 48 89 de 48 89 cf ff 11 4d 85 f6 74 04 41
RIP  [<ffffffff8150eef6>] notifier_call_chain+0x46/0x80
 RSP <ffff88042868fb20>
CR2: ffffffffa01af838
---[ end trace 0100930068e73e6f ]---
BUG: unable to handle kernel paging request at fffffffffffffff8
IP: [<ffffffff810705b0>] kthread_data+0x10/0x20
PGD 1a0d067 PUD 1a0e067 PMD 0
Oops: 0000 [#2] SMP

Only i7core_edac and sb_edac have such issues because they have more
than one memory controller which means they have to register mce
decoder many times.

Cc: <stable@vger.kernel.org> # 3.2 and upper
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-06-11 11:49:51 -03:00
Linus Torvalds 87a5af24e5 Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac
Pull EDAC internal API changes from Mauro Carvalho Chehab:
 "This changeset is the first part of a series of patches that fixes the
  EDAC sybsystem.  On this set, it changes the Kernel EDAC API in order
  to properly represent the Intel i3/i5/i7, Xeon 3xxx/5xxx/7xxx, and
  Intel E5-xxxx memory controllers.

  The EDAC core used to assume that:

       - the DRAM chip select pin is directly accessed by the memory
         controller

       - when multiple channels are used, they're all filled with the
         same type of memory.

  None of the above premises is true on Intel memory controllers since
  2002, when RAMBUS and FB-DIMMs were introduced, and Advanced Memory
  Buffer or by some similar technologies hides the direct access to the
  DRAM pins.

  So, the existing drivers for those chipsets had to lie to the EDAC
  core, in general telling that just one channel is filled.  That
  produces some hard to understand error messages like:

       EDAC MC0: CE row 3, channel 0, label "DIMM1": 1 Unknown error(s): memory read error on FATAL area : cpu=0 Err=0008:00c2 (ch=2), addr = 0xad1f73480 => socket=0, Channel=0(mask=2), rank=1

  The location information there (row3 channel 0) is completely bogus:
  it has no physical meaning, and are just some random values that the
  driver uses to talk with the EDAC core.  The error actually happened
  at CPU socket 0, channel 0, slot 1, but this is not reported anywhere,
  as the EDAC core doesn't know anything about the memory layout.  So,
  only advanced users that know how the EDAC driver works and that tests
  their systems to see how DIMMs are mapped can actually benefit for
  such error logs.

  This patch series fixes the error report logic, in order to allow the
  EDAC to expose the memory architecture used by them to the EDAC core.
  So, as the EDAC core now understands how the memory is organized, it
  can provide an useful report:

       EDAC MC0: CE memory read error on DIMM1 (channel:0 slot:1 page:0x364b1b offset:0x600 grain:32 syndrome:0x0 - count:1 area:DRAM err_code:0001:0090 socket:0 channel_mask:1 rank:4)

  The location of the DIMM where the error happened is reported by "MC0"
  (cpu socket #0), at "channel:0 slot:1" location, and matches the
  physical location of the DIMM.

  There are two remaining issues not covered by this patch series:

       - The EDAC sysfs API will still report bogus values.  So,
         userspace tools like edac-utils will still use the bogus data;

       - Add a new tracepoint-based way to get the binary information
         about the errors.

  Those are on a second series of patches (also at -next), but will
  probably miss the train for 3.5, due to the slow review process."

Fix up trivial conflict (due to spelling correction of removed code) in
drivers/edac/edac_device.c

* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac: (42 commits)
  i7core: fix ranks information at the per-channel struct
  i5000: Fix the fatal error handling
  i5100_edac: Fix a warning when compiled with 32 bits
  i82975x_edac: Test nr_pages earlier to save a few CPU cycles
  e752x_edac: provide more info about how DIMMS/ranks are mapped
  i5000_edac: Fix the logic that retrieves memory information
  i5400_edac: improve debug messages to better represent the filled memory
  edac: Cleanup the logs for i7core and sb edac drivers
  edac: Initialize the dimm label with the known information
  edac: Remove the legacy EDAC ABI
  x38_edac: convert driver to use the new edac ABI
  tile_edac: convert driver to use the new edac ABI
  sb_edac: convert driver to use the new edac ABI
  r82600_edac: convert driver to use the new edac ABI
  ppc4xx_edac: convert driver to use the new edac ABI
  pasemi_edac: convert driver to use the new edac ABI
  mv64x60_edac: convert driver to use the new edac ABI
  mpc85xx_edac: convert driver to use the new edac ABI
  i82975x_edac: convert driver to use the new edac ABI
  i82875p_edac: convert driver to use the new edac ABI
  ...
2012-05-29 18:32:37 -07:00
Mauro Carvalho Chehab 0bf09e829d i7core: fix ranks information at the per-channel struct
There is a flag at the per-channel struct that indicates if there are
any 4R dimm on it. The way the presence of this flag were reported
is not ok, as it might give the false idea that the channel were filled
with 2R memories:

[  580.588701] EDAC DEBUG: get_dimm_config: Ch1 phy rd1, wr1 (0x063f7431): 2 ranks, UDIMMs
[  580.588704] EDAC DEBUG: get_dimm_config: 	dimm 0 1024 Mb offset: 0, bank: 8, rank: 1, row: 0x4000, col: 0x400

(in this case, just one 1R memory is filled on channel 1)

So, use a better way to represent the per-channel ranks information.
After the patch, it will show:

[ 2002.233978] EDAC DEBUG: get_dimm_config: Ch0 phy rd0, wr0 (0x063f7431): UDIMMs
[ 2002.233982] EDAC DEBUG: get_dimm_config: 	dimm 0 1024 Mb offset: 0, bank: 8, rank: 1, row: 0x4000, col: 0x400
[ 2002.233988] EDAC DEBUG: get_dimm_config: 	dimm 1 1024 Mb offset: 4, bank: 8, rank: 1, row: 0x4000, col: 0x400

(in this case, there isn't any 4R memories)

Reported-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:13:55 -03:00
Mauro Carvalho Chehab e17a2f42a4 edac: Cleanup the logs for i7core and sb edac drivers
Remove some information that it is duplicated at the MCE log,
and don't have much usage for the error. Those data will be
added again, when creating a trace function that outputs both
memory errors and MCE fields.

Cc: Aristeu Rozanski <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:13:51 -03:00
Mauro Carvalho Chehab ca0907b9e4 edac: Remove the legacy EDAC ABI
Now that all drivers got converted to use the new ABI, we can
drop the old one.

Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:13:50 -03:00
Mauro Carvalho Chehab 0975c16f4f i7core_edac: convert driver to use the new edac ABI
The legacy edac ABI is going to be removed. Port the driver to use
and benefit from the new API functionality.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:13:42 -03:00
Mauro Carvalho Chehab a895bf8b1e edac: move nr_pages to dimm struct
The number of pages is a dimm property. Move it to the dimm struct.

After this change, it is possible to add sysfs nodes for the DIMM's that
will properly represent the DIMM stick properties, including its size.

A TODO fix here is to properly represent dual-rank/quad-rank DIMMs when
the memory controller represents the memory via chip select rows.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Acked-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Jason Uhlenkott <juhlenko@akamai.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Egor Martovetsky <egor@pasemi.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Joe Perches <joe@perches.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Hitoshi Mitake <h.mitake@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Shaohui Xie <Shaohui.Xie@freescale.com>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:10:58 -03:00
Mauro Carvalho Chehab 5e2af0c09e edac: Don't initialize csrow's first_page & friends when not needed
Almost all edac	drivers	initialize csrow_info->first_page,
csrow_info->last_page and csrow_info->page_mask. Those vars are
used inside the EDAC core, in order to calculate the csrow affected
by an error, by using the routine edac_mc_find_csrow_by_page().

However, very few drivers actually use it:
        e752x_edac.c
        e7xxx_edac.c
        i3000_edac.c
        i82443bxgx_edac.c
        i82860_edac.c
        i82875p_edac.c
        i82975x_edac.c
        r82600_edac.c

There also a few other drivers that have their own calculus
formula internally using those vars.

All the others are just wasting time by initializing those
data.

While initializing data without using them won't cause any troubles, as
those information is stored at the wrong place (at csrows structure), it
is better to remove what is unused, in order to simplify the next patch.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Acked-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Hitoshi Mitake <h.mitake@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:10:58 -03:00
Mauro Carvalho Chehab 084a4fccef edac: move dimm properties to struct dimm_info
On systems based on chip select rows, all channels need to use memories
with the same properties, otherwise the memories on channels A and B
won't be recognized.

However, such assumption is not true for all types of memory
controllers.

Controllers for FB-DIMM's don't have such requirements.

Also, modern Intel controllers seem to be capable of handling such
differences.

So, we need to get rid of storing the DIMM information into a per-csrow
data, storing it, instead at the right place.

The first step is to move grain, mtype, dtype and edac_mode to the
per-dimm struct.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Reviewed-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Jason Uhlenkott <juhlenko@akamai.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Egor Martovetsky <egor@pasemi.com>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Joe Perches <joe@perches.com>
Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Hitoshi Mitake <h.mitake@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: James Bottomley <James.Bottomley@parallels.com>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Cc: Shaohui Xie <Shaohui.Xie@freescale.com>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Mike Williams <mike@mikebwilliams.com>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:10:58 -03:00
Mauro Carvalho Chehab a7d7d2e1a0 edac: Create a dimm struct and move the labels into it
The way a DIMM is currently represented implies that they're
linked into a per-csrow struct. However, some drivers don't see
csrows, as they're ridden behind some chip like the AMB's
on FBDIMM's, for example.

This forced drivers to fake^Wvirtualize a csrow struct, and to create
a mess under csrow/channel original's concept.

Move the DIMM labels into a per-DIMM struct, and add there
the real location of the socket, in terms of csrow/channel.
Latter patches will modify the location to properly represent the
memory architecture.

All other drivers will use a per-csrow type of location.
Some of those drivers will require a latter conversion, as
they also fake the csrows internally.

TODO: While this patch doesn't change the existing behavior, on
csrows-based memory controllers, a csrow/channel pair points to a memory
rank. There's a known bug at the EDAC core that allows having different
labels for the same DIMM, if it has more than one rank. A latter patch
is need to merge the several ranks for a DIMM into the same dimm_info
struct, in order to avoid having different labels for the same DIMM.

The edac_mc_alloc() will now contain a per-dimm initialization loop that
will be changed by latter patches in order to match other types of
memory architectures.

Reviewed-by: Aristeu Rozanski <arozansk@redhat.com>
Reviewed-by: Borislav Petkov <borislav.petkov@amd.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: "Niklas Söderlund" <niklas.soderlund@ericsson.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-05-28 19:10:57 -03:00
David Mackey 15ed103a98 edac: Fix spelling errors.
Signed-off-by: David Mackey <tdmackey@twitter.com>
Signed-off-by: Vinson Lee <vlee@twitter.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-04-30 13:28:41 +02:00
Lionel Debroux 36c46f31df EDAC: Make pci_device_id tables __devinitconst.
These const tables are currently marked __devinitdata, but
Documentation/PCI/pci.txt says:

"o The ID table array should be marked __devinitconst; this is done
automatically if the table is declared with DEFINE_PCI_DEVICE_TABLE()."

So use DEFINE_PCI_DEVICE_TABLE(x).

Based on PaX and earlier work by Andi Kleen.

Signed-off-by: Lionel Debroux <lionel_debroux@yahoo.fr>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2012-03-19 12:04:54 +01:00
Borislav Petkov 3653ada5d3 x86, mce: Add wrappers for registering on the decode chain
No functionality change, this is done so that in a follow-on patch all
queued-up MCEs can be decoded after registering on the chain.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
2011-12-14 12:50:12 +01:00
Mauro Carvalho Chehab 767ba4a52a i7core_edac: Initialize memory name with cpu, channel, bank
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-01 10:01:52 -02:00
Sedat Dilek 4fad8098bc i7core_edac: Fix compilation on 32 bits arch
on i386:
	ERROR: "__udivdi3" [drivers/edac/i7core_edac.ko] undefined!\

In both get_sdram_scrub_rate() and set_sdram_scrub_rate()

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-01 10:01:51 -02:00
Nils Carlson 535e9c78e1 i7core_edac: scrubbing fixups
Get a more reliable DCLK value from DMI, name the SCRUBINTERVAL mask
and guard against potential overflow in the scrub rate computations.

Signed-off-by: Nils Carlson <nils.carlson@ericsson.com>
2011-11-01 10:01:51 -02:00
Mauro Carvalho Chehab 4055759145 i7core_edac: return -ENODEV if no MC is found
Nehalem-EX uses a different memory controller. However, as the
memory controller is not visible on some Nehalem/Nehalem-EP, we
need to indirectly probe via a X58 PCI device. The same devices
are found on (some) Nehalem-EX. So, on those machines, the
probe routine needs to return -ENODEV, as the actual Memory
Controller registers won't be detected.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-01 10:01:49 -02:00
Mauro Carvalho Chehab f9902f24fc i7core_edac: use edac's own way to print errors
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-01 10:01:48 -02:00
Borislav Petkov 4140c54266 i7core_edac: Drop the edac_mce facility
Remove edac_mce pieces and use the normal MCE decoder notifier chain by
retaining the same functionality with considerably less code.

Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-01 10:01:24 -02:00
Thomas Renninger 5034086b72 EDAC i7core: Use mce socketid for better compatibility
mce->socketid and cpu_data(mce->cpu).phys_proc_id are the same,
compare with mce_setup (in mce.c):
	m->cpu = m->extcpu = smp_processor_id();
        ...
	m->socketid = cpu_data(m->extcpu).phys_proc_id;

This makes it easier for example for XEN patches to hook into
the MCE subsystem.
Compile tested on x86_64.

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: JBeulich@novell.com
CC: linux-edac@vger.kernel.org
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-10-31 15:10:05 -02:00
Mauro Carvalho Chehab 27100db0e0 i7core_edac: Don't enable memory scrubbing for Xeon 35xx
Xeon 35xx doesn't mention memory scrub. It seems that only Xeon 55xx
and above supports it.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-10-31 15:10:05 -02:00
Samuel Gabrielsson e8b6a12710 i7core_edac: Add scrubbing support
Add scrubbing support to i7core_edac, tested on intel Xeon L5638.

Signed-off-by: Samuel Gabrielsson <samuel.gabrielsson@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-10-31 15:10:05 -02:00
Mauro Carvalho Chehab 224e871f36 i7core_edac: Fix oops when trying to inject errors
Error injection needs the pci device 0:0. So, we need to revert
this changeset: 79daef2099.

Tests need to be made to be sure that refcount won't be wrong
as noticed before.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-10-31 15:10:04 -02:00
David Sterba 80b8ce89eb i7core_edac: fix misuse of logical operation in place of bitop
CC: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-10-31 15:10:04 -02:00
Mathias Krause 8cf2d2399a i7core_edac: fixed typo in error count calculation
Based on a patch from the PaX Team, found during a clang analysis pass.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: PaX Team <pageexec@freemail.hu>
Cc: stable@kernel.org [v2.6.35+]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-08-18 14:07:15 -07:00
Linus Torvalds b7c2f03628 Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
  gfs2: Drop __TIME__ usage
  isdn/diva: Drop __TIME__ usage
  atm: Drop __TIME__ usage
  dlm: Drop __TIME__ usage
  wan/pc300: Drop __TIME__ usage
  parport: Drop __TIME__ usage
  hdlcdrv: Drop __TIME__ usage
  baycom: Drop __TIME__ usage
  pmcraid: Drop __DATE__ usage
  edac: Drop __DATE__ usage
  rio: Drop __DATE__ usage
  scsi/wd33c93: Drop __TIME__ usage
  scsi/in2000: Drop __TIME__ usage
  aacraid: Drop __TIME__ usage
  media/cx231xx: Drop __TIME__ usage
  media/radio-maxiradio: Drop __TIME__ usage
  nozomi: Drop __TIME__ usage
  cyclades: Drop __TIME__ usage
2011-05-26 13:19:00 -07:00
Michal Marek 152ba39422 edac: Drop __DATE__ usage
The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.

Cc: Doug Thompson <dougthompson@xmission.com>
Cc: bluesmoke-devel@lists.sourceforge.net
Cc: linux-edac@vger.kernel.org
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2011-04-19 00:23:22 +02:00
Lucas De Marchi 25985edced Fix common misspellings
Fixes generated by 'codespell' and manually reviewed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-31 11:26:23 -03:00
David Sterba e7bf068aa3 i7core_edac: fix typos in comments
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-12-28 01:20:51 +01:00