| Commit message (Collapse) | Author | Age | Files | Lines |
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The driver overrides error codes returned by platform_get_irq_optional()
to -EINVAL for some strange reason, so if it returns -EPROBE_DEFER, the
driver will fail the probe permanently instead of the deferred probing.
Switch to propagating the proper error codes to platform driver code
upwards.
[ bp: Massage commit message. ]
Fixes: 0d4429301c4a ("EDAC: Add APM X-Gene SoC EDAC driver")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220124185503.6720-3-s.shtylyov@omp.ru
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The driver overrides the error codes returned by platform_get_irq() to
-ENODEV for some strange reason, so if it returns -EPROBE_DEFER, the
driver will fail the probe permanently instead of the deferred probing.
Switch to propagating the proper error codes to platform driver code
upwards.
[ bp: Massage commit message. ]
Fixes: 71bcada88b0f ("edac: altera: Add Altera SDRAM EDAC support")
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20220124185503.6720-2-s.shtylyov@omp.ru
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
- Add support for version 3 of the Synopsys DDR controller to
synopsys_edac
- Add support for DRR5 and new models 0x10-0x1f and 0x50-0x5f of AMD
family 0x19 CPUs to amd64_edac
- The usual set of fixes and cleanups
* tag 'edac_updates_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/amd64: Add support for family 19h, models 50h-5fh
EDAC/sb_edac: Remove redundant initialization of variable rc
RAS/CEC: Remove a repeated 'an' in a comment
EDAC/amd64: Add support for AMD Family 19h Models 10h-1Fh and A0h-AFh
EDAC: Add RDDR5 and LRDDR5 memory types
EDAC/sifive: Fix non-kernel-doc comment
dt-bindings: memory: Add entry for version 3.80a
EDAC/synopsys: Enable the driver on Intel's N5X platform
EDAC/synopsys: Add support for version 3 of the Synopsys EDAC DDR
EDAC/synopsys: Use the quirk for version instead of ddr version
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Signed-off-by: Borislav Petkov <bp@suse.de>
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Add the new family 19h models 50h-5fh PCI IDs (device 18h functions 0
and 6) to support Ryzen 5000 APUs ("Cezanne").
Signed-off-by: Marc Bevand <m@zorinaq.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Link: https://lore.kernel.org/r/20211221233112.556927-1-m@zorinaq.com
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Add a new family type for AMD Family 19h Models 10h to 1Fh. Use this new
family type for Models A0h to AFh also.
Increase the maximum number of controllers from 8 to 12.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208174356.1997855-3-yazen.ghannam@amd.com
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Include Registered-DDR5 and Load-Reduced DDR5 in the list of memory
types.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208174356.1997855-2-yazen.ghannam@amd.com
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The variable rc is being initialized with a value that is never read, it
is being updated later on. The assignment is redundant and thus remove
it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211126221848.1125321-1-colin.i.king@gmail.com
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scripts/kernel-doc complains about a comment that begins with "/**"
but is not in kernel-doc format, so correct it.
Prevents this warning:
drivers/edac/sifive_edac.c:23: warning: This comment starts with '/**', \
but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* EDAC error callback
Fixes: 91abaeaaff35 ("EDAC/sifive: Add EDAC platform driver for SiFive SoCs")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211201030913.10283-1-rdunlap@infradead.org
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Intel's N5X platform is also using the Synopsys EDAC controller.
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lkml.kernel.org/r/20211012190709.1504152-3-dinguyen@kernel.org
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Add support for version 3.80a of the Synopsys DDR controller. This
version of the controller has the following differences:
- UE/CE are auto cleared
- Interrupts are supported by default
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lkml.kernel.org/r/20211012190709.1504152-2-dinguyen@kernel.org
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Version 2.40a supports DDR_ECC_INTR_SUPPORT for a quirk, so use that
quirk to determine a call to setup_address_map().
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lkml.kernel.org/r/20211012190709.1504152-1-dinguyen@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS updates from Borislav Petkov:
"A relatively big amount of movements in RAS-land this time around:
- First part of a series to move the AMD address translation code
from arch/x86/ to amd64_edac as that is its only user anyway
- Some MCE error injection improvements to the AMD side
- Reorganization of the #MC handler code and the facilities it calls
to make it noinstr-safe
- Add support for new AMD MCA bank types and non-uniform banks layout
- The usual set of cleanups and fixes"
* tag 'ras_core_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits)
x86/mce: Reduce number of machine checks taken during recovery
x86/mce/inject: Avoid out-of-bounds write when setting flags
x86/MCE/AMD, EDAC/mce_amd: Support non-uniform MCA bank type enumeration
x86/MCE/AMD, EDAC/mce_amd: Add new SMCA bank types
x86/mce: Check regs before accessing it
x86/mce: Mark mce_start() noinstr
x86/mce: Mark mce_timed_out() noinstr
x86/mce: Move the tainting outside of the noinstr region
x86/mce: Mark mce_read_aux() noinstr
x86/mce: Mark mce_end() noinstr
x86/mce: Mark mce_panic() noinstr
x86/mce: Prevent severity computation from being instrumented
x86/mce: Allow instrumentation during task work queueing
x86/mce: Remove noinstr annotation from mce_setup()
x86/mce: Use mce_rdmsrl() in severity checking code
x86/mce: Remove function-local cpus variables
x86/mce: Do not use memset to clear the banks bitmaps
x86/mce/inject: Set the valid bit in MCA_STATUS before error injection
x86/mce/inject: Check if a bank is populated before injecting
x86/mce: Get rid of cpu_missing
...
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AMD systems currently lay out MCA bank types such that the type of bank
number "i" is either the same across all CPUs or is Reserved/Read-as-Zero.
For example:
Bank # | CPUx | CPUy
0 LS LS
1 RAZ UMC
2 CS CS
3 SMU RAZ
Future AMD systems will lay out MCA bank types such that the type of
bank number "i" may be different across CPUs.
For example:
Bank # | CPUx | CPUy
0 LS LS
1 RAZ UMC
2 CS NBIO
3 SMU RAZ
Change the structures that cache MCA bank types to be per-CPU and update
smca_get_bank_type() to handle this change.
Move some SMCA-specific structures to amd.c from mce.h, since they no
longer need to be global.
Break out the "count" for bank types from struct smca_hwid, since this
should provide a per-CPU count rather than a system-wide count.
Apply the "const" qualifier to the struct smca_hwid_mcatypes array. The
values in this array should not change at runtime.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211216162905.4132657-3-yazen.ghannam@amd.com
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Add HWID and McaType values for new SMCA bank types, and add their error
descriptions to edac_mce_amd.
The "PHY" bank types all have the same error descriptions, and the NBIF
and SHUB bank types have the same error descriptions. So reuse the same
arrays where appropriate.
[ bp: Remove useless comments over hwid types. ]
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211216162905.4132657-2-yazen.ghannam@amd.com
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Define an address translation context struct. This will hold values that
will be passed between multiple functions.
Save return address, Node ID, and the Instance ID number to start.
Currently, the UMC number is used as the Instance ID, but future DF
versions may use another value.
Also include a "tmp" field to use when reading registers. This is to
avoid having to define a temporary variable in multiple functions.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211028175728.121452-5-yazen.ghannam@amd.com
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The DF Indirect Access method allows for "Broadcast" accesses in which
case no specific instance is targeted. Add support using a reserved
instance ID of 0xFF to indicate a broadcast access. Set the FICAA
register appropriately.
Define helpers functions for instance and broadcast reads and use them
where appropriate.
Drop the "amd_" prefix since these functions are all static.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211028175728.121452-4-yazen.ghannam@amd.com
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df_indirect_read() is used only for address translation. Move it to EDAC
along with the translation code.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211028175728.121452-3-yazen.ghannam@amd.com
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The address translation code used for current AMD systems is
non-architectural. So move it to EDAC.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211028175728.121452-2-yazen.ghannam@amd.com
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On systems without HBM (High Bandwidth Memory) mdev/mbase are not
released/unmapped.
Add the code to release mdev/mbase when failing to detect HBM.
[Tony: re-word commit message]
Cc: <stable@vger.kernel.org>
Fixes: c945088384d0 ("EDAC/i10nm: Add support for high bandwidth memory")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20211224091126.1246-1-qiuxu.zhuo@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
"A small pile of EDAC updates which the autumn wind blew my way. :)
- amd64_edac: Add support for three-rank interleaving mode which is
present on AMD zen2 servers
- The usual fixes and cleanups all over EDAC land"
* tag 'edac_updates_for_v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/sb_edac: Fix top-of-high-memory value for Broadwell/Haswell
EDAC/ti: Remove redundant error messages
EDAC/amd64: Handle three rank interleaving mode
EDAC/mc_sysfs: Print MC-scope sysfs counters unsigned
EDAC/al_mc: Make use of the helper function devm_add_action_or_reset()
EDAC/mc: Replace strcpy(), sprintf() and snprintf() with strscpy() or scnprintf()
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The computation of TOHM is off by one bit. This missed bit results in
too low a value for TOHM, which can cause errors in regular memory to
incorrectly report:
EDAC MC0: 1 CE Error at MMIOH area, on addr 0x000000207fffa680 on any memory
Fixes: 50d1bb93672f ("sb_edac: add support for Haswell based systems")
Cc: stable@vger.kernel.org
Reported-by: Meeta Saggi <msaggi@purestorage.com>
Signed-off-by: Eric Badger <ebadger@purestorage.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20211010170127.848113-1-ebadger@purestorage.com
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In the function ti_edac_probe(), devm_ioremap_resource() and
platform_get_irq() already issue error messages when they fail so remove
the redundant error messages in the EDAC driver.
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210811112626.27848-1-tangbin@cmss.chinamobile.com
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AMD Rome systems and later support interleaving between three identical
ranks within a channel.
Check for this mode by counting the number of enabled chip selects and
comparing their masks. If there are exactly three enabled chip selects
and their masks are identical, then three rank interleaving is enabled.
The size of a rank is determined from its mask value. However, three
rank interleaving doesn't follow the method of swapping an interleave
bit with the most significant bit. Rather, the interleave bit is flipped
and the most significant bit remains the same. There is only a single
interleave bit in this case.
Account for this when determining the chip select size by keeping the
most significant bit at its original value and ignoring any zero bits.
This will return a full bitmask in [MSB:1].
Fixes: e53a3b267fb0 ("EDAC/amd64: Find Chip Select memory size using Address Mask")
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20211005154419.2060504-1-yazen.ghannam@amd.com
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This is cosmetically nicer for counts > INT32_MAX, and aligns the
MC-scope format with that of the lower layer sysfs counter files.
Signed-off-by: Eric Badger <ebadger@purestorage.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20211003181653.GA685515@ebadger-ThinkPad-T590
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The helper function devm_add_action_or_reset() will internally call
devm_add_action(), and if devm_add_action() fails then it will
execute the action mentioned and return the error code. So use
devm_add_action_or_reset() instead of devm_add_action() to simplify the
error handling, reduce the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Talel Shenhar <talel@amazon.com>
Link: https://lkml.kernel.org/r/20210922125924.321-1-caihuoqing@baidu.com
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scnprintf()
strcpy() performs no bounds checking on the destination buffer. This
could result in linear overflows beyond the end of the buffer, leading
to all kinds of misbehavior. The safe replacement is strscpy().
[1][2]
However, to simplify and clarify the code, to concatenate labels use the
scnprintf() function. This way it is not necessary to check the return
value of strscpy() (-E2BIG if the parameter count is 0 or the src was
truncated) since scnprintf() always returns the number of chars written
into the buffer. This function always returns a nul-terminated string
even if it needs to be truncated.
While at it, fix all other broken string generation code that wrongly
interprets snprintf()'s return code or just uses sprintf(), implement
that using scnprintf() here too. Drop breaks in loops around
scnprintf() as it is safe now to loop.
Moreover, the check is not needed: for the case when the buffer is
exhausted, len never gets zero because scnprintf() takes the full buffer
length as input parameter, but excludes the trailing '\0' in its return
code and thus, 1 is the minimum len.
[1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy
[2] https://github.com/KSPP/linux/issues/88
[ rric: Replace snprintf() with scnprintf(), rework sprintf() user,
drop breaks in loops around scnprintf(), introduce 'end' pointer to
reduce pointer arithmetic, use prefix pattern for e->location,
adjust subject and description ]
Co-developed-by: Joe Perches <joe@perches.com>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Len Baker <len.baker@gmx.com>
Signed-off-by: Robert Richter <rrichter@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210903150539.7282-1-len.baker@gmx.com
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The number of correctable errors is displayed as uncorrectable
errors because the "SBE" error count is passed to both calls of
edac_mc_handle_error().
Pass the correct uncorrectable error count to the second
edac_mc_handle_error() call when logging uncorrectable errors.
[ bp: Massage commit message. ]
Fixes: 7f6998a41257 ("ARM: 8888/1: EDAC: Add driver for the Marvell Armada XP SDRAM and L2 cache ECC")
Signed-off-by: Hans Potsch <hans.potsch@nokia.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20211006121332.58788-1-hans.potsch@nokia.com
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dimm->edac_mode contains values of type enum edac_type - not the
corresponding capability flags. Fix that.
Fixes: 1088750d7839 ("EDAC: Add EDAC driver for DMC520")
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20210916085258.7544-1-bp@alien8.de
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dimm->edac_mode contains values of type enum edac_type - not the
corresponding capability flags. Fix that.
Issue caught by Coverity check "enumerated type mixed with another
type."
[ bp: Rewrite commit message, add tags. ]
Fixes: ae9b56e3996d ("EDAC, synps: Add EDAC support for zynq ddr ecc controller")
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: <stable@vger.kernel.org>
Link: https://lkml.kernel.org/r/20210818072315.15149-1-shubhrajyoti.datta@xilinx.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"Updates to the interrupt core and driver subsystems:
Core changes:
- The usual set of small fixes and improvements all over the place,
but nothing stands out
MSI changes:
- Further consolidation of the PCI/MSI interrupt chip code
- Make MSI sysfs code independent of PCI/MSI and expose the MSI
interrupts of platform devices in the same way as PCI exposes them.
Driver changes:
- Support for ARM GICv3 EPPI partitions
- Treewide conversion to generic_handle_domain_irq() for all chained
interrupt controllers
- Conversion to bitmap_zalloc() throughout the irq chip drivers
- The usual set of small fixes and improvements"
* tag 'irq-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
platform-msi: Add ABI to show msi_irqs of platform devices
genirq/msi: Move MSI sysfs handling from PCI to MSI core
genirq/cpuhotplug: Demote debug printk to KERN_DEBUG
irqchip/qcom-pdc: Trim unused levels of the interrupt hierarchy
irqdomain: Export irq_domain_disconnect_hierarchy()
irqchip/gic-v3: Fix priority comparison when non-secure priorities are used
irqchip/apple-aic: Fix irq_disable from within irq handlers
pinctrl/rockchip: drop the gpio related codes
gpio/rockchip: drop irq_gc_lock/irq_gc_unlock for irq set type
gpio/rockchip: support next version gpio controller
gpio/rockchip: use struct rockchip_gpio_regs for gpio controller
gpio/rockchip: add driver for rockchip gpio
dt-bindings: gpio: change items restriction of clock for rockchip,gpio-bank
pinctrl/rockchip: add pinctrl device to gpio bank struct
pinctrl/rockchip: separate struct rockchip_pin_bank to a head file
pinctrl/rockchip: always enable clock for gpio controller
genirq: Fix kernel doc indentation
EDAC/altera: Convert to generic_handle_domain_irq()
powerpc: Bulk conversion to generic_handle_domain_irq()
nios2: Bulk conversion to generic_handle_domain_irq()
...
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Replace generic_handle_irq(irq_linear_revmap()) with a single call to
generic_handle_domain_irq().
Signed-off-by: Marc Zyngier <maz@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Borislav Petkov:
"The usual EDAC stuff which managed to trickle in for 5.15:
- Add new HBM2 (High Bandwidth Memory Gen 2) type and add support for
it to the Intel SKx drivers
- Print additional useful per-channel error information on i10nm,
like on SKL
- Don't load the AMD EDAC decoder in virtual images
- The usual round of fixes and cleanups"
* tag 'edac_updates_for_v5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/i10nm: Retrieve and print retry_rd_err_log registers
EDAC/i10nm: Fix NVDIMM detection
EDAC/skx_common: Set the memory type correctly for HBM memory
EDAC/altera: Skip defining unused structures for specific configs
EDAC/mce_amd: Do not load edac_mce_amd module on guests
EDAC/mc: Add new HBM2 memory type
EDAC/amd64: Use DEVICE_ATTR helper macros
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Retrieve and print retry_rd_err_log registers like the earlier change:
commit e80634a75aba ("EDAC, skx: Retrieve and print retry_rd_err_log registers")
This is a little trickier than on Skylake because of potential
interference with BIOS use of the same registers. The default
behavior is to ignore these registers.
A module parameter retry_rd_err_log(default=0) controls the mode of operation:
- 0=off : Default.
- 1=bios : Linux doesn't reset any control bits, but just reports values.
This is "no harm" mode, but it may miss reporting some data.
- 2=linux: Linux tries to take control and resets mode bits,
clears valid/UC bits after reading. This should be
more reliable (especially if BIOS interference is reduced
by disabling eMCA reporting mode in BIOS setup).
Co-developed-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210818175701.1611513-3-tony.luck@intel.com
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MCDDRCFG is a per-channel register and uses bit{0,1} to indicate
the NVDIMM presence on DIMM slot{0,1}. Current i10nm_edac driver
wrongly uses MCDDRCFG as per-DIMM register and fails to detect
the NVDIMM.
Fix it by reading MCDDRCFG as per-channel register and using its
bit{0,1} to check whether the NVDIMM is populated on DIMM slot{0,1}.
Fixes: d4dc89d069aa ("EDAC, i10nm: Add a driver for Intel 10nm server processors")
Reported-by: Fan Du <fan.du@intel.com>
Tested-by: Wen Jin <wen.jin@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210818175701.1611513-2-tony.luck@intel.com
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Set the memory type to MEM_HBM2 if it's managed by the HBM2
memory controller.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210720163009.GA1417532@agluck-desk2.amr.corp.intel.com
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The Altera EDAC driver has several features conditionally built
depending on Kconfig options. The edac_device_prv_data structures
are conditionally used in of_device_id tables. They reference other
functions and structures which can be defined as __maybe_unused.
Silence build warnings like:
drivers/edac/altera_edac.c:643:37: warning:
‘altr_edac_device_inject_fops’ defined but not used [-Wunused-const-variable=]
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lkml.kernel.org/r/20210601092704.203555-1-krzysztof.kozlowski@canonical.com
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Hypervisors likely do not expose the SMCA feature to the guest and
loading this module leads to false warnings. This module should not be
loaded in guests to begin with, but people tend to do so, especially
when testing kernels in VMs. And then they complain about those false
warnings.
Do the practical thing and do not load this module when running as a
guest to avoid all that complaining.
[ bp: Rewrite commit message. ]
Suggested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Smita Koralahalli <Smita.KoralahalliChannabasappa@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Tested-by: Kim Phillips <kim.phillips@amd.com>
Link: https://lkml.kernel.org/r/20210628172740.245689-1-Smita.KoralahalliChannabasappa@amd.com
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Add a new entry to 'enum mem_type' and a new string to 'edac_mem_types[]'
for HBM2 (High Bandwidth Memory Gen 2) new memory type.
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Muralidhara M K <muralimk@amd.com>
Signed-off-by: Naveen Krishna Chatradhi <nchatrad@amd.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210630152828.162659-4-nchatrad@amd.com
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Instead of "open coding" DEVICE_ATTR, use the corresponding
helper macros DEVICE_ATTR_{RW,RO,WO} in amd64_edac.c
Some function names needed to be changed to match the device
conventions <foo>_show and <foo>_store, but the functionality
itself is unchanged.
The devices using EDAC_DCT_ATTR_SHOW() are left unchanged.
Reviewed-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210713065130.2151-1-dwaipayanray1@gmail.com
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My previous patch had a typo/thinko which prevents this driver
from being enabled: change X64_64 to X86_64.
Fixes: 0a9ece9ba154 ("EDAC/igen6: fix core dependency")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac@vger.kernel.org
Cc: bowsingbetee <bowsingbetee@protonmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge more updates from Andrew Morton:
"190 patches.
Subsystems affected by this patch series: mm (hugetlb, userfaultfd,
vmscan, kconfig, proc, z3fold, zbud, ras, mempolicy, memblock,
migration, thp, nommu, kconfig, madvise, memory-hotplug, zswap,
zsmalloc, zram, cleanups, kfence, and hmm), procfs, sysctl, misc,
core-kernel, lib, lz4, checkpatch, init, kprobes, nilfs2, hfs,
signals, exec, kcov, selftests, compress/decompress, and ipc"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (190 commits)
ipc/util.c: use binary search for max_idx
ipc/sem.c: use READ_ONCE()/WRITE_ONCE() for use_global_lock
ipc: use kmalloc for msg_queue and shmid_kernel
ipc sem: use kvmalloc for sem_undo allocation
lib/decompressors: remove set but not used variabled 'level'
selftests/vm/pkeys: exercise x86 XSAVE init state
selftests/vm/pkeys: refill shadow register after implicit kernel write
selftests/vm/pkeys: handle negative sys_pkey_alloc() return code
selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random
kcov: add __no_sanitize_coverage to fix noinstr for all architectures
exec: remove checks in __register_bimfmt()
x86: signal: don't do sas_ss_reset() until we are certain that sigframe won't be abandoned
hfsplus: report create_date to kstat.btime
hfsplus: remove unnecessary oom message
nilfs2: remove redundant continue statement in a while-loop
kprobes: remove duplicated strong free_insn_page in x86 and s390
init: print out unknown kernel parameters
checkpatch: do not complain about positive return values starting with EPOLL
checkpatch: improve the indented label test
checkpatch: scripts/spdxcheck.py now requires python3
...
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kernel.h is being used as a dump for all kinds of stuff for a long time.
Here is the attempt to start cleaning it up by splitting out panic and
oops helpers.
There are several purposes of doing this:
- dropping dependency in bug.h
- dropping a loop by moving out panic_notifier.h
- unload kernel.h from something which has its own domain
At the same time convert users tree-wide to use new headers, although for
the time being include new header back to kernel.h to avoid twisted
indirected includes for existing users.
[akpm@linux-foundation.org: thread_info.h needs limits.h]
[andriy.shevchenko@linux.intel.com: ia64 fix]
Link: https://lkml.kernel.org/r/20210520130557.55277-1-andriy.shevchenko@linux.intel.com
Link: https://lkml.kernel.org/r/20210511074137.33666-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Co-developed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Wei Liu <wei.liu@kernel.org>
Acked-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Acked-by: Helge Deller <deller@gmx.de> # parisc
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC updates from Tony Luck:
"Various fixes and support for new CPUs:
- Clean up error messages from thunderx_edac
- Add MODULE_DEVICE_TABLE to ti_edac so it will autoload
- Use %pR to print resources in aspeed_edac
- Add Yazen Ghannam as MAINTAINER for AMD edac drivers
- Fix Ice Lake and Sapphire Rapids drivers to report correct "near"
or "far" device for errors in 2LM configurations
- Add support of on package high bandwidth memory in Sapphire Rapids
- New CPU support for three CPUs supporting in-band ECC (IOT SKUs for
ICL-NNPI, Tiger Lake and Alder Lake)
- Don't even try to load Intel EDAC drivers when running as a guest
- Fix Kconfig dependency on X86_MCE_INTEL for EDAC_IGEN6"
* tag 'edac_updates_for_v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/igen6: fix core dependency
EDAC/Intel: Do not load EDAC driver when running as a guest
EDAC/igen6: Add Intel Alder Lake SoC support
EDAC/igen6: Add Intel Tiger Lake SoC support
EDAC/igen6: Add Intel ICL-NNPI SoC support
EDAC/i10nm: Add support for high bandwidth memory
EDAC/i10nm: Add detection of memory levels for ICX/SPR servers
EDAC/skx_common: Add new ADXL components for 2-level memory
MAINTAINERS: Make Yazen Ghannam maintainer for EDAC-AMD64
EDAC/aspeed: Use proper format string for printing resource
EDAC/ti: Add missing MODULE_DEVICE_TABLE
EDAC/thunderx: Remove irrelevant variable from error messages
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igen6_edac needs mce_register()/unregister() functions,
so it should depend on X86_MCE (or X86_MCE_INTEL).
That change prevents these build errors:
ld: drivers/edac/igen6_edac.o: in function `igen6_remove':
igen6_edac.c:(.text+0x494): undefined reference to `mce_unregister_decode_chain'
ld: drivers/edac/igen6_edac.o: in function `igen6_probe':
igen6_edac.c:(.text+0xf5b): undefined reference to `mce_register_decode_chain'
Fixes: 10590a9d4f23e ("EDAC/igen6: Add EDAC driver for Intel client SoCs using IBECC")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210619160203.2026-1-rdunlap@infradead.org
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There's little to no point in loading an EDAC driver running in a guest:
1) The CPU model reported by CPUID may not represent actual h/w
2) The hypervisor likely does not pass in access to memory controller devices
3) Hypervisors generally do not pass corrected error details to guests
Add a check in each of the Intel EDAC drivers for X86_FEATURE_HYPERVISOR
and simply return -ENODEV in the init routine.
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210615174419.GA1087688@agluck-desk2.amr.corp.intel.com
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Alder Lake SoC shares the same memory controller and In-Band ECC
(IBECC) IP with Tiger Lake SoC. Like Tiger Lake, it also has two
memory controllers each associated one IBECC instance. The minor
differences include the MMIO offset of each memory controller and
the type of memory error address logged in the IBECC.
So add Alder Lake compute die IDs, adjust the MMIO offset for each
memory controller and handle the type of memory error address logged
in the IBECC for Alder Lake EDAC support.
Tested-by: Vrukesh V Panse <vrukesh.v.panse@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210611170123.1057025-7-tony.luck@intel.com
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Tiger Lake SoC shares the same memory controller and In-Band ECC
(IBECC) IP with Elkhart Lake SoC. The main differences are that Tiger
Lake has two memory controllers each associated with one IBECC and
uses Machine Check for the memory error notification.
So add Tiger Lake compute die IDs, MCE decoding chain registration,
and memory slice decoding for Tiger Lake EDAC support.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210611170123.1057025-6-tony.luck@intel.com
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The Ice Lake Neural Network Processor for Deep Learning Inference
(ICL-NNPI) SoC shares the same memory controller and In-Band ECC with
Elkhart Lake SoC. Add the ICL-NNPI compute die IDs for EDAC support.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210611170123.1057025-5-tony.luck@intel.com
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A future Xeon processor will include in-package HBM (high bandwidth
memory). The in-package HBM memory controller shares the same
architecture with the regular DDR memory controller.
Add the HBM memory controller devices for EDAC support.
Tested-by: Hongyu Ning <hongyu.ning@linux.intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Link: https://lore.kernel.org/r/20210611170123.1057025-4-tony.luck@intel.com
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