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Change x86 EDAC platform drivers to verify the module owner at the
beginning of their module init functions. This allows them to fail their
init immediately when ghes_edac is enabled. Similar change can be made
to other edac drivers if necessary.
Also, remove ".c" from module names of pnp2_edac, sb_edac, and skx_edac.
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Suggested-by: Borislav Petkov <bp@alien8.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170823225447.15608-6-toshi.kani@hpe.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Only a single EDAC platform driver can be loaded. When ghes_edac is
enabled, an EDAC platform driver still attempts to register itself and
fails in edac_mc_add_mc().
Add edac_get_owner() so that EDAC platform drivers can check the owner
first.
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Suggested-by: Borislav Petkov <bp@alien8.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170823225447.15608-5-toshi.kani@hpe.com
[ Massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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The ghes_edac driver was introduced in 2013 [1], but it has not been
enabled by any distro yet. This driver obtains error info from firmware
interfaces (APEI), which are not properly implemented on many platforms,
as the driver says on load:
This EDAC driver relies on BIOS to enumerate memory and get error
reports. Unfortunately, not all BIOSes reflect the memory layout
correctly. So, the end result of using this driver varies from vendor
to vendor. If you find incorrect reports, please contact your hardware
vendor to correct its BIOS.
To get out from this situation, add a platform check to selectively
enable the driver on platforms that are known to have proper APEI
firmware implementation.
"ghes_edac.force_load=1" skips this platform check.
[1]: https://lkml.kernel.org/r/cover.1360931635.git.mchehab@redhat.com
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-acpi@vger.kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170823225447.15608-4-toshi.kani@hpe.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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We're enumerating the DIMMs through a DMI walk and since we can't get
any more detailed topological information about which DIMMs belong to
which memory controller, convert it to a single, logical controller
which contains all the DIMMs.
The error reporting path from GHES ghes_edac_report_mem_error() doesn't
get called in NMI context but add a warning about it to catch any
changes in the future as if so, our locking scheme will be insufficient
then.
Signed-off-by: Borislav Petkov <bp@suse.de>
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They're called from builtin code so no need for the exports.
Signed-off-by: Borislav Petkov <bp@suse.de>
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kasprintf() can fail and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Cc: linux-edac@vger.kernel.org
[ Merged into a single patch, small formatting fixups. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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... and use the macro for that.
No functionality change.
Signed-off-by: Borislav Petkov <bp@suse.de>
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struct mce.cpuid contains CPUID(1).EAX which contains family, model and
stepping and thus has enough information for our purposes. Thus get rid
of some external dependencies which are not really needed.
No functionality change.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Singular fits better because it decodes a single error.
No functionality change.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Make these const as they are only stored in the type field of a device
structure, which is const.
Done using Coccinelle.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1503130946-2854-2-git-send-email-bhumirks@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Properly handle hidden state of P2SB PCI device (DEV:D, FUN:0) for
Apollo Lake.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170814154905.21707-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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On Deverton server, the P2SB PCI device (DEV:1F, FUN:1) is used by multiple
device drivers.
If it's hidden by some device driver (e.g. with the i801 I2C driver,
the commit
9424693035a5 ("i2c: i801: Create iTCO device on newer Intel PCHs")
unconditionally hid the P2SB PCI device wrongly) it will make the
pnd2_edac driver read out an invalid BAR value of 0xffffffff and then
fail on ioremap().
Therefore, store the presence state of P2SB PCI device before unhiding
it for reading BAR and restore the presence state after reading BAR.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-i2c@vger.kernel.org
Link: http://lkml.kernel.org/r/20170814154845.21663-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Bit[0] of BAR is always zero. Bit[2:1] and bit[3] of BAR contain the
information of 'type' and the 'prefetchable' accordingly. Therefore,
mask the lower four bits to retrieve the actual base address of a BAR.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170814154813.21619-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Return the proper error value if ioremap() fails (and not 0).
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: David Daney <david.daney@cavium.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Link: http://lkml.kernel.org/r/20170816045821.14165-1-christophe.jaillet@wanadoo.fr
[ Massage commit message, remove newline. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Return the proper error value if devm_ioremap() fails (and not 0).
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Thor Thayer <thor.thayer@linux.intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170816050506.14541-1-christophe.jaillet@wanadoo.fr
[ Massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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I've been waing a long time for the generic sideband driver to
appear. Patience has run out, so include the minimum here to
just read registers.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Cc: Aristeu Rozanski <arozansk@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Cc: Patrick Geary <patrickg@supermicro.com>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170803210536.5662-1-tony.luck@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Basically, there are full memory mirroring and address range partial
memory mirroring (supported by Haswell EX and Broadwell EX) modes.
a) In full memory mirroring, the memory behind each memory controller
is mirrored, i.e. the memory is split into two identical mirrors
(primary and secondary), half of the memory is reserved for redundancy.
b) In address range partial memory mirroring, the memory size (range)
of primary and secondary behind each memory controller can be user
defined by the TAD0 register. The rest of memory ranges defined by
TAD1/TAD2/... in that memory controller are non-mirrored.
For more detail on memory mirroring, see the following link written by Tony Luck:
https://01.org/lkp/blogs/tonyluck/2016/address-range-partial-memory-mirroring-linux
Currently the sb_edac driver only supports address decoding in full
memory mirroring and non-mirroring modes. In address range partial
memory mirroring mode, it may fail to decode an address that falls in a
non-mirroring area (the following was one of this kind of failed logs).
mce: Uncorrected hardware memory error in user-access at 566d53a400
Memory failure: 0x566d53a: Killing einj_mem_uc:4647 due to hardware memory corruption
Memory failure: 0x566d53a: recovery action for dirty LRU page: Recovered
mce: [Hardware Error]: Machine check events logged
EDAC sbridge MC1: HANDLING MCE MEMORY ERROR
EDAC sbridge MC1: CPU 48: Machine Check Event: 0 Bank 7: ec00000000010090
EDAC sbridge MC1: TSC 4b914aa5a99dab
EDAC sbridge MC1: ADDR 566d53a400
EDAC sbridge MC1: MISC 1443a0c86
EDAC sbridge MC1: PROCESSOR 0:406f1 TIME 1499712764 SOCKET 2 APIC 80
EDAC MC1: 0 UE Can't discover the memory rank for ch addr 0x7fb54e900 on any memory ( page:0x0 offset:0x0 grain:32)
mce: [Hardware Error]: Machine check events logged
Therefore, classify memory mirroring modes and make the address decoding
in address range partial memory mode correct.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170730180651.30060-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing of
the full path string for each node.
Signed-off-by: Rob Herring <robh@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170718214339.7774-19-robh@kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
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It is a write-only variable so get rid of it.
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Robert Richter <rric@kernel.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Acked-by: Thor Thayer <thor.thayer@linux.intel.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Cc: Mark Gross <mark.gross@intel.com>
Cc: Tim Small <tim@buttersideup.com>
Cc: Ranganathan Desikan <ravi@jetztechnologies.com>
Cc: "Arvind R." <arvino55@gmail.com>
Cc: Jason Baron <jbaron@akamai.com>
Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: David Daney <david.daney@cavium.com>
Cc: Loc Ho <lho@apm.com>
Cc: linux-edac@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mips@linux-mips.org
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attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/sysfs.h> work with
const attribute_group. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
CC: linux-edac@vger.kernel.org
Link: http://lkml.kernel.org/r/776cb8265509054abd01b0b551624cc0da3b88e7.1499078335.git.arvind.yadav.cs@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Using the homegrown amd_get_nb_id() to find a node ID on AMD was fine
while the L3 to node mapping was 1:1. And Zen topology broke this. So
let's start slowly moving away from it and use the topology interfaces
instead.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: x86-ml <x86@kernel.org>
Link: http://lkml.kernel.org/r/1490041614-90057-2-git-send-email-Yazen.Ghannam@amd.com
[ Massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Non-existent or empty DIMM slots result in error return from
RD_REGP(). But we shouldn't give up on failure.
So long as we find at least one DIMM we can continue.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170628234407.21521-1-tony.luck@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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In the i5000 and i5400 drivers, the NRECMEMB register is defined as a
16-bit value, which results in wrong shifts in the code, as reported by
sparse.
In the datasheets ([1], section 3.9.22.20 and [2], section 3.9.22.21),
this register is a 32-bit register. A u32 value for the register fixes
the wrong shifts warnings and matches the datasheet.
Also fix the mask to access to the CAS bits [27:16] in the i5000 driver.
[1]: https://www.intel.com/content/dam/doc/datasheet/5000p-5000v-5000z-chipset-memory-controller-hub-datasheet.pdf
[2]: https://www.intel.se/content/dam/doc/datasheet/5400-chipset-memory-controller-hub-datasheet.pdf
Signed-off-by: Jérémy Lefaure <jeremy.lefaure@lse.epita.fr>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170629005729.8478-1-jeremy.lefaure@lse.epita.fr
Signed-off-by: Borislav Petkov <bp@suse.de>
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The function sbi_send() is local to just pnd2_edac.c and does not need
to be in global scope, so make it static.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170623084855.9197-1-colin.king@canonical.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add code comment to make it clear that the fall-through is intentional
and, OR ret with its previous value to avoid overwriting it so that
callers can check the correct return value.
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170622220535.GA4896@embeddedgus
[ Massage a bit. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Use of_address_to_resource() and resource_size() instead of manually
parsing the "reg" property from the "memory" node(s).
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Tested-by: Thor Thayer <thor.thayer@linux.intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170606235500.22772-3-chris.packham@alliedtelesis.co.nz
Signed-off-by: Borislav Petkov <bp@suse.de>
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Xiaolong Ye reported the following failure on Broadwell D server:
EDAC sbridge: Some needed devices are missing
EDAC MC: Removed device 0 for sbridge_edac.c Broadwell SrcID#0_Ha#0: DEV 0000:ff:12.0
EDAC sbridge: Couldn't find mci handler
EDAC sbridge: Failed to register device with error -19.
Broadwell D (only IMC0 per socket) and Broadwell X (IMC0 and IMC1 per
socket) use the same PCI device IDs for IMC0 per socket, then they
share pci_dev_descr_broadwell_table (n_imcs_per_sock=2). In this case,
Broadwell D wrongly creates the nonexistent SOCK EDAC memory controller
and reports above error messages, since it has no IMC1 per socket.
Avoid creating the nonexistent SOCK memory controller.
Reported-and-tested-by: Xiaolong Ye <xiaolong.ye@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170608113351.25323-1-qiuxu.zhuo@intel.com
[ Massage. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Fix typo in "poison consumption" error description.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1497286703-62853-1-git-send-email-Yazen.Ghannam@amd.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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edac_op_state is a module parameter which affects the behaviour of
the driver probe which can potentially be invoked as soon as the
platform driver registration happens. Because of this we need to
ensure that we sanity check the module parameter before calling
platform_register_drivers().
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170607215530.8604-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Borislav Petkov <bp@suse.de>
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Compare the number of debugfs entries created by
thunderx_create_debugfs_nodes() with the requested number of entries to
properly determine whether to print a warning.
Signed-off-by: Vadim Lomovtsev <Vadim.Lomovtsev@caviumnetworks.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linux-mips@linux-mips.org
Link: http://lkml.kernel.org/r/20170531155157.93583-1-stemerkhanov@cavium.com
Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
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Check the return status of platform_driver_register() in
mv64x60_edac_init(). Only output messages and initialise the
edac_op_state if the registration is successful.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/20170529212142.25572-2-chris.packham@alliedtelesis.co.nz
Signed-off-by: Borislav Petkov <bp@suse.de>
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Kaby Lake seems to work just like Skylake.
Reported-and-tested-by: Doug Thompson <bc.tdw@recursor.net>
Signed-off-by: Jason Baron <jbaron@akamai.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Tony Luck <tony.luck@intel.com
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1495823683-32569-1-git-send-email-jbaron@akamai.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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To allow this driver to be used on non-powerpc platforms it needs to use
io accessors suitable for all platforms.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/20170518083135.28048-4-chris.packham@alliedtelesis.co.nz
Signed-off-by: Borislav Petkov <bp@suse.de>
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Change this from mpc85xx_pci_err to mv64x60_pci_err. The former is
likely a hangover from when this driver was created.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/20170518083135.28048-3-chris.packham@alliedtelesis.co.nz
Signed-off-by: Borislav Petkov <bp@suse.de>
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Collapse 'case:' in *_mci_bind_devs() and update driver version from
1.1.1 to 1.1.2.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170523000934.87971-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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This is based on previous work by Patrick Geary, see Link.
Additional cleanups ontop:
- Remove the code to read MCMTR from pci_ha1_ta and CHN_TO_HA macro,
now that TA0 and TA1 are unified.
- Remove get_pdev_same_bus(), since in get_dimm_config() the
variable "pvt->pci_ta" for KNL is also ready, we can simply use
pci_read_config_dword(pvt->pci_ta, KNL_MCMTR, &pvt->info.mcmtr) to read
MCMTR.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: https://lkml.kernel.org/r/57884350.1030401@supermicro.com
Link: http://lkml.kernel.org/r/20170523000910.87925-1-qiuxu.zhuo@intel.com
[ Make __populate_dimms() return int. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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We don't need this quirk anymore now that the EDAC memory controller
representation matches the hardware.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170523000834.87881-1-qiuxu.zhuo@intel.com
[ Commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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... to slim down get_dimm_config().
No functionality change.
Signed-off-by: Borislav Petkov <bp@suse.de>
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It is called "sb_edac.c" now.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Tony pointed out: "currently the driver pretends there is one big
8-channel memory controller per socket instead of 2 4-channel
controllers. This is fine with all memory controller populated with
symmetrical DIMM configurations, but runs into difficulties on
asymmetrical setups".
Restructure the driver to assign an EDAC memory controller to each real
h/w memory controller to resolve the issue.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170523000731.87793-1-qiuxu.zhuo@intel.com
[ Break some lines at convenient points. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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EDAC assigns logical memory controller numbers in the order that we find
memory controllers, which depends on which PCI bus they are on. Some
systems end up with MC0 on socket0, others (e.g Haswell) have MC0 on
socket3.
All this is made more confusing for users because we use the string
"Socket" while generating names for memory controllers, but the number
that we attach there is the memory controller number. E.g.
EDAC MC0: Giving out device to module sbridge_edac.c controller
Haswell Socket#0: DEV 0000:ff:12.0 (INTERRUPT)
Change the names to say "SrcID#%d" (where the number we use is read from
the h/w associated with the memory controller instead of some logical
number internal to the EDAC driver). New message:
EDAC MC0: Giving out device to module sbridge_edac.c controller
Haswell SrcID#3: DEV 0000:ff:12.0 (INTERRUPT)
Reported-by: Andrey Korolyov <andrey@xdel.ru>
Reported-by: Patrick Geary <patrickg@supermicro.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170523000603.87748-1-qiuxu.zhuo@intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Each of the PCI device IDs belongs to a CPU socket, or to one of the
integrated memory controllers. Provide an enum to specify the domain of
each, and distinguish the resource number in each domain: the number
of the PCI device IDs per integrated memory controller/socket, and the
number of integrated memory controllers per socket.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170523000533.87704-1-qiuxu.zhuo@intel.com
[ Realign pci_dev_descr_knl members. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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struct irq_domain_ops is not modified, so it can be made const.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Thor Thayer <thor.thayer@linux.intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20170524133505.1233-1-tklauser@distanz.ch
Signed-off-by: Borislav Petkov <bp@suse.de>
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The wrong index into the csbases/csmasks arrays was being passed to
the function to compute the chip select sizes, which resulted in the
wrong size being computed. Address that so that the correct values are
computed and printed.
Also, redo how we calculate the number of pages in a CS row.
Reported-by: Benjamin Bennett <benbennett@gmail.com>
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Cc: <stable@vger.kernel.org> # 4.10.x
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1493313114-11260-1-git-send-email-Yazen.Ghannam@amd.com
[ Remove unneeded integer math comment, minor cleanups. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Leave it to the user to decide whether to enable this or not. Otherwise,
platform-specific drivers won't initialize (currently, EDAC supports
only a single platform driver loaded).
Signed-off-by: Borislav Petkov <bp@suse.de>
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Change them to have the edac_ prefix.
No functionality change.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Move the remaining functionality to edac_mc.c. Convert "edac_report=" to
a module parameter.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Remove the old URLs.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Move all the EDAC core functionality behind CONFIG_EDAC and get rid of
that indirection. Update defconfigs which had it.
While at it, fix dependencies such that EDAC depends on RAS for the
tracepoints.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: linux-edac@vger.kernel.org
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... and this happens only when CONFIG_RAS is enabled.
Signed-off-by: Borislav Petkov <bp@suse.de>
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Toshi Kani
Borislav Petkov
Arvind Yadav
Bhumika Goyal
Qiuxu Zhuo
Christophe JAILLET
Tony Luck
Rob Herring
Yazen Ghannam
Jérémy Lefaure
Colin Ian King
Gustavo A. R. Silva
Chris Packham
Vadim Lomovtsev
Jason Baron
Tobias Klauser