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The debugfs node is /sys/kernel/debug/skx_edac_test. Rename it and move
under EDAC debugfs root directory. Remove the unused 'skx_fake_addr' and
remove the 'skx_test' on error.
Co-developed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: arozansk@redhat.com
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1542353684-13496-1-git-send-email-qiuxu.zhuo@intel.com
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Some debug/error strings in hex formatting do not have the '0x' prefix.
Prepend hex formatting with '0x' for them, but with one exception:
"Couldn't enable %04x:%04x", instead of putting '0x' in this line,
add the word 'device'. We commonly use 8086:1234 without the leading
'0x' (e.g. as '-d' argument to lspci(8) and setpci(8) commands).
Suggested-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Tony Luck <tony.luck@intel.com>
CC: arozansk@redhat.com
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1542353660-13458-1-git-send-email-qiuxu.zhuo@intel.com
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The order of function calling in skx_exit() is not the reversed order in
skx_init(). Fix it.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Tony Luck <tony.luck@intel.com>
CC: arozansk@redhat.com
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1542353616-13421-1-git-send-email-qiuxu.zhuo@intel.com
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... and use the single edac_subsys object returned from
subsys_system_register(). The idea is to have a single bus
and multiple devices on it.
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
CC: Aristeu Rozanski Filho <arozansk@redhat.com>
CC: Greg KH <gregkh@linuxfoundation.org>
CC: Justin Ernst <justin.ernst@hpe.com>
CC: linux-edac <linux-edac@vger.kernel.org>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Russ Anderson <rja@hpe.com>
Cc: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20180926152752.GG5584@zn.tnic
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Nobody(*) uses them. Dropping this will allow us to make the total
number of memory controllers configurable (as we won't have to worry
about duplicated device names under this directory).
(*) https://lkml.kernel.org/r/20180927221054.580220e5@coco.lan
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
CC: Aristeu Rozanski Filho <arozansk@redhat.com>
CC: Greg KH <gregkh@linuxfoundation.org>
CC: Justin Ernst <justin.ernst@hpe.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Russ Anderson <rja@hpe.com>
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20181001224313.GA9487@agluck-desk
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Replace spaces with tabs and insert missing indentation.
[ bp: Rewrite commit message. ]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: "Arvind R." <arvino55@gmail.com>
CC: Mark Gross <mark.gross@intel.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Ranganathan Desikan <ravi@jetztechnologies.com>
CC: kernel-janitors@vger.kernel.org
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20181109133757.21471-1-colin.king@canonical.com
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It was previously noted that Kconfig complained about unmet dependencies
when trying to configure skx_edac together with CONFIG_ACPI=n. First fix
for this checked for ACPI when doing
select ACPI_ADXL
but this required stub functions for the case where ACPI wasn't
selected. It also allowed building a driver that didn't actually work
for a system that has non-volatile DIMMs.
Arnd Bergmann pointed out that the right fix is to make EDAC_SKX
"depend on ACPI".
Fixes: a324e9396ca3 ("EDAC, skx: Fix randconfig builds")
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
CC: Arnd Bergmann <arnd@arndb.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-edac <linux-edac@vger.kernel.org>
CC: qiuxu.zhuo@intel.com
Link: http://lkml.kernel.org/r/20181106183914.GA26731@agluck-desk
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Fix this gcc -Wunused-but-set-variable warning:
drivers/edac/i82975x_edac.c:378:16: warning: variable 'dtype'
set but not used [-Wunused-but-set-variable]
It was introduced in
084a4fccef39 ("edac: move dimm properties to struct dimm_info")
but never used.
Also, remove the function i82975x_dram_type() and move the comment and
the assignment to the place where it is used.
[ bp: massage commit message and shorten comment. ]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: "Arvind R." <arvino55@gmail.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: ravi@jetztechnologies.com
CC: arvino55@gmail.com
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20181107022237.14048-1-yuehaibing@huawei.com
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irq_handled isn't initialized to false on function entry. However, it is
not really needed and the IRQ handler return value can be set directly
instead.
[ bp: rewrite commit message. ]
Fixes: 27450653f1db ("drivers: edac: Add EDAC driver support for QCOM SoCs")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Channagoud Kadabi <ckadabi@codeaurora.org>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
CC: kernel-janitors@vger.kernel.org
CC: linux-arm-msm@vger.kernel.org
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20181018141522.rywdvjmlpk4ticiw@kili.mountain
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Add support for Error Injection for ZynqMP DDR controller IP. For
injecting errors, the Row, Column, Bank, Bank Group and Rank bits
positions are determined via Address Map registers of the Synopsys DDR
controller.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1540447621-22870-7-git-send-email-manish.narani@xilinx.com
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Add ECC support for ZynqMP DDR controller IP. The IP supports interrupts
for corrected and uncorrected errors. Add interrupt handlers for the
same.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1540447621-22870-5-git-send-email-manish.narani@xilinx.com
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Add macro defines for ZynqMP DDR controller. These macros will be used
for ZynqMP ECC operations.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1540447621-22870-4-git-send-email-manish.narani@xilinx.com
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The function of_device_get_match_data() can return NULL in case of
error. Add error handling for the same in the mc_probe() function.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1540447621-22870-2-git-send-email-manish.narani@xilinx.com
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Add platform specific structures so that different IP support can be
added later using quirks.
[ bp: fix function names. ]
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1538667328-9465-6-git-send-email-manish.narani@xilinx.com
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The current driver has functions which are always returning 0 - make
them return void instead.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1538667328-9465-5-git-send-email-manish.narani@xilinx.com
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Spellcheck and improve/correct comments.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: michal.simek@xilinx.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1538667328-9465-4-git-send-email-manish.narani@xilinx.com
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Shorten static function names, remove the unnecessary 'synps_' prefix in
function names.
[ bp: Drop the "edac_" prefix too as that prefix is reserved for
EDAC core functions. ]
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: mark.rutland@arm.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1538667328-9465-3-git-send-email-manish.narani@xilinx.com
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Clean up the driver code. Update the debug messages for EDAC errors
reported. Increase the indentation of the macros for better readability.
Signed-off-by: Manish Narani <manish.narani@xilinx.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Michal Simek <michal.simek@xilinx.com>
CC: amit.kucheria@linaro.org
CC: devicetree@vger.kernel.org
CC: leoyang.li@nxp.com
CC: linux-arm-kernel@lists.infradead.org
CC: linux-edac <linux-edac@vger.kernel.org>
CC: manish.narani@xilinx.com
CC: mark.rutland@arm.com
CC: mchehab@kernel.org
CC: michal.simek@xilinx.com
CC: robh+dt@kernel.org
CC: sudeep.holla@arm.com
Link: http://lkml.kernel.org/r/1538667328-9465-2-git-send-email-manish.narani@xilinx.com
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git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull more EDAC updates from Borislav Petkov:
"The second part of the EDAC pile which contains the ADXL user and a
build fix which addresses a not-so-sensical .config but fixes
randconfig builds people do:
- skx_edac: Address translation for NVDIMMs (Tony Luck and Qiuxu Zhuo)
- ACPI_ADXL build fix"
[ I don't think "sensical" is a word, particularly when used in the
context of actually meaning "nonsensical", but I like it - Linus ]
* tag 'edac_for_4.20_2' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
EDAC, skx: Fix randconfig builds
EDAC, skx_edac: Add address translation for non-volatile DIMMs
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The driver depends on the ADXL component glue and selects it. However,
ADXL itself implicitly depends on ACPI and in nonsensical randconfig
builds like this:
# CONFIG_ACPI is not set
CONFIG_ACPI_ADXL=y
where ACPI is not enabled, the build fails with:
drivers/edac/skx_edac.o: In function `skx_mce_check_error':
skx_edac.c:(.text+0xab): undefined reference to `adxl_decode'
drivers/edac/skx_edac.o: In function `skx_init':
skx_edac.c:(.init.text+0x8bf): undefined reference to `adxl_get_component_names'
make: *** [vmlinux] Error 1
Add stubs for that case so that the build succeeds. CONFIG_ACPI=n
doesn't make any sense for real configurations but this fix will at
least silence randconfig builds.
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Tony Luck <tony.luck@intel.com>
Cc: "Rafael J. Wysocki" <rafael@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"The most noteworthy SoC driver changes this time include:
- The TEE subsystem gains an in-kernel interface to access the TEE
from device drivers.
- The reset controller subsystem gains a driver for the Qualcomm
Snapdragon 845 Power Domain Controller.
- The Xilinx Zynq platform now has a firmware interface for its
platform management unit. This contains a firmware "ioctl"
interface that was a little controversial at first, but the version
we merged solved that by not exposing arbitrary firmware calls to
user space.
- The Amlogic Meson platform gains a "canvas" driver that is used for
video processing and shared between different high-level drivers.
The rest is more of the usual, mostly related to SoC specific power
management support and core drivers in drivers/soc:
- Several Renesas SoCs (RZ/G1N, RZ/G2M, R-Car V3M, RZ/A2M) gain new
features related to power and reset control.
- The Mediatek mt8183 and mt6765 SoC platforms gain support for their
respective power management chips.
- A new driver for NXP i.MX8, which need a firmware interface for
power management.
- The SCPI firmware interface now contains support estimating power
usage of performance states
- The NVIDIA Tegra "pmc" driver gains a few new features, in
particular a pinctrl interface for configuring the pads.
- Lots of small changes for Qualcomm, in particular the "smem" device
driver.
- Some cleanups for the TI OMAP series related to their sysc
controller.
Additional cleanups and bugfixes in SoC specific drivers include the
Meson, Keystone, NXP, AT91, Sunxi, Actions, and Tegra platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (129 commits)
firmware: tegra: bpmp: Implement suspend/resume support
drivers: clk: Add ZynqMP clock driver
dt-bindings: clock: Add bindings for ZynqMP clock driver
firmware: xilinx: Add zynqmp IOCTL API for device control
Documentation: xilinx: Add documentation for eemi APIs
MAINTAINERS: imx: include drivers/firmware/imx path
firmware: imx: add misc svc support
firmware: imx: add SCU firmware driver support
reset: Fix potential use-after-free in __of_reset_control_get()
dt-bindings: arm: fsl: add scu binding doc
soc: fsl: qbman: add interrupt coalesce changing APIs
soc: fsl: bman_portals: defer probe after bman's probe
soc: fsl: qbman: Use last response to determine valid bit
soc: fsl: qbman: Add 64 bit DMA addressing requirement to QBMan
soc: fsl: qbman: replace CPU 0 with any online CPU in hotplug handlers
soc: fsl: qbman: Check if CPU is offline when initializing portals
reset: qcom: PDC Global (Power Domain Controller) reset controller
dt-bindings: reset: Add PDC Global binding for SDM845 SoCs
reset: Grammar s/more then once/more than once/
bus: ti-sysc: Just use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
...
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree updates from Rob Herring:
"A bit bigger than normal as I've been busy this cycle.
There's a few things with dependencies and a few things subsystem
maintainers didn't pick up, so I'm taking them thru my tree.
The fixes from Johan didn't get into linux-next, but they've been
waiting for some time now and they are what's left of what subsystem
maintainers didn't pick up.
Summary:
- Sync dtc with upstream version v1.4.7-14-gc86da84d30e4
- Work to get rid of direct accesses to struct device_node name and
type pointers in preparation for removing them. New helpers for
parsing DT cpu nodes and conversions to use the helpers. printk
conversions to %pOFn for printing DT node names. Most went thru
subystem trees, so this is the remainder.
- Fixes to DT child node lookups to actually be restricted to child
nodes instead of treewide.
- Refactoring of dtb targets out of arch code. This makes the support
more uniform and enables building all dtbs on c6x, microblaze, and
powerpc.
- Various DT binding updates for Renesas r8a7744 SoC
- Vendor prefixes for Facebook, OLPC
- Restructuring of some ARM binding docs moving some peripheral
bindings out of board/SoC binding files
- New "secure-chosen" binding for secure world settings on ARM
- Dual licensing of 2 DT IRQ binding headers"
* tag 'devicetree-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (78 commits)
ARM: dt: relicense two DT binding IRQ headers
power: supply: twl4030-charger: fix OF sibling-node lookup
NFC: nfcmrvl_uart: fix OF child-node lookup
net: stmmac: dwmac-sun8i: fix OF child-node lookup
net: bcmgenet: fix OF child-node lookup
drm/msm: fix OF child-node lookup
drm/mediatek: fix OF sibling-node lookup
of: Add missing exports of node name compare functions
dt-bindings: Add OLPC vendor prefix
dt-bindings: misc: bk4: Add device tree binding for Liebherr's BK4 SPI bus
dt-bindings: thermal: samsung: Add SPDX license identifier
dt-bindings: clock: samsung: Add SPDX license identifiers
dt-bindings: timer: ostm: Add R7S9210 support
dt-bindings: phy: rcar-gen2: Add r8a7744 support
dt-bindings: can: rcar_can: Add r8a7744 support
dt-bindings: timer: renesas, cmt: Document r8a7744 CMT support
dt-bindings: watchdog: renesas-wdt: Document r8a7744 support
dt-bindings: thermal: rcar: Add device tree support for r8a7744
Documentation: dt: Add binding for /secure-chosen/stdout-path
dt-bindings: arm: zte: Move sysctrl bindings to their own doc
...
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Currently, this driver doesn't support address translation for
non-volatile DIMMs.
The ACPI ADXL DSM method provides address translation for both volatile
and non-volatile DIMMs. Enable it to use the ACPI DSM methods if they
are supported and there are non-volatile DIMMs populated on the system.
Co-developed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: arozansk@redhat.com
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1540106336-5212-1-git-send-email-qiuxu.zhuo@intel.com
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Pull EDAC updates from Borislav Petkov:
"The EDAC tree was busier than usual this cycle as the shortlog below
shows.
Also, this pull request is carrying an ACPI DSM driver which is used
to ask the platform to supply the DIMM location of a reported hardware
error and thus simplify all the EDAC logic when trying to map the
error address to the respective DIMM.
Core EDAC updates:
- amd64_edac: AMD family 0x17, models 0x10-0x2f support (Michael Jin)
Hygon Dhyana support (Pu Wen)
- sb_edac: New maintainer + fixes (Tony Luck) Error reporting
improvements and fixes (Qiuxu Zhuo)
- ghes_edac: SMBIOS handle type 17 for DIMM locating and per-DIMM
error accounting (Fan Wu)
- altera_edac: Stratix10 support and refactoring (Thor Thayer)
Out of tree addition:
- acpi_adxl: Address Translation interface using an ACPI DSM (Tony
Luck)
- the usual amount of other misc fixes and cleanups all over"
* tag 'edac_for_4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (22 commits)
ACPI/ADXL: Add address translation interface using an ACPI DSM
EDAC, thunderx: Fix memory leak in thunderx_l2c_threaded_isr()
EDAC, skx_edac: Fix logical channel intermediate decoding
EDAC, {i7core,sb,skx}_edac: Fix uncorrected error counting
EDAC, altera: Work around int-to-pointer-cast warnings
EDAC, amd64: Add Hygon Dhyana support
EDAC: Raise the maximum number of memory controllers
arm64: dts: stratix10: Add peripheral EDAC nodes
EDAC, altera: Add Stratix10 peripheral support
EDAC, altera: Merge Stratix10 into the Arria10 SDRAM probe routine
arm64: dts: stratix10: Add SDRAM node
EDAC, altera: Combine Stratix10 and Arria10 probe functions
arm64: dts: stratix10: Additions to EDAC System Manager
EDAC, i7core: Remove set but not used variable pvt
EDAC, ghes: Use CPER module handles to locate DIMMs
EDAC: Correct DIMM capacity unit symbol
EDAC, sb_edac: Fix signedness bugs in *_get_ha() functions
EDAC, sb_edac: Fix reporting for patrol scrubber errors
EDAC, sb_edac: Return early on ADDRV bit and address type test
MAINTAINERS: Update maintainer for drivers/edac/sb_edac.c
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"The main updates in this cycle were:
- Lots of perf tooling changes too voluminous to list (big perf trace
and perf stat improvements, lots of libtraceevent reorganization,
etc.), so I'll list the authors and refer to the changelog for
details:
Benjamin Peterson, Jérémie Galarneau, Kim Phillips, Peter
Zijlstra, Ravi Bangoria, Sangwon Hong, Sean V Kelley, Steven
Rostedt, Thomas Gleixner, Ding Xiang, Eduardo Habkost, Thomas
Richter, Andi Kleen, Sanskriti Sharma, Adrian Hunter, Tzvetomir
Stoyanov, Arnaldo Carvalho de Melo, Jiri Olsa.
... with the bulk of the changes written by Jiri Olsa, Tzvetomir
Stoyanov and Arnaldo Carvalho de Melo.
- Continued intel_rdt work with a focus on playing well with perf
events. This also imported some non-perf RDT work due to
dependencies. (Reinette Chatre)
- Implement counter freezing for Arch Perfmon v4 (Skylake and newer).
This allows to speed up the PMI handler by avoiding unnecessary MSR
writes and make it more accurate. (Andi Kleen)
- kprobes cleanups and simplification (Masami Hiramatsu)
- Intel Goldmont PMU updates (Kan Liang)
- ... plus misc other fixes and updates"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (155 commits)
kprobes/x86: Use preempt_enable() in optimized_callback()
x86/intel_rdt: Prevent pseudo-locking from using stale pointers
kprobes, x86/ptrace.h: Make regs_get_kernel_stack_nth() not fault on bad stack
perf/x86/intel: Export mem events only if there's PEBS support
x86/cpu: Drop pointless static qualifier in punit_dev_state_show()
x86/intel_rdt: Fix initial allocation to consider CDP
x86/intel_rdt: CBM overlap should also check for overlap with CDP peer
x86/intel_rdt: Introduce utility to obtain CDP peer
tools lib traceevent, perf tools: Move struct tep_handler definition in a local header file
tools lib traceevent: Separate out tep_strerror() for strerror_r() issues
perf python: More portable way to make CFLAGS work with clang
perf python: Make clang_has_option() work on Python 3
perf tools: Free temporary 'sys' string in read_event_files()
perf tools: Avoid double free in read_event_file()
perf tools: Free 'printk' string in parse_ftrace_printk()
perf tools: Cleanup trace-event-info 'tdata' leak
perf strbuf: Match va_{add,copy} with va_end
perf test: S390 does not support watchpoints in test 22
perf auxtrace: Include missing asm/bitsperlong.h to get BITS_PER_LONG
tools include: Adopt linux/bits.h
...
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Fix memory leak in L2c threaded interrupt handler.
[ bp: Rewrite commit message. ]
Fixes: 41003396f932 ("EDAC, thunderx: Add Cavium ThunderX EDAC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: David Daney <david.daney@cavium.com>
CC: Jan Glauber <jglauber@cavium.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: Sergey Temerkhanov <s.temerkhanov@gmail.com>
CC: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20181013102843.GG16086@mwanda
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The code "lchan = (lchan << 1) | ~lchan" for logical channel
intermediate decoding is wrong. The wrong intermediate decoding
result is {0xffffffff, 0xfffffffe}.
Fix it by replacing '~' with '!'. The correct intermediate
decoding result is {0x1, 0x2}.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
CC: Aristeu Rozanski <aris@redhat.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-edac <linux-edac@vger.kernel.org>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20181009172025.18594-1-tony.luck@intel.com
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Going primarily by:
https://en.wikipedia.org/wiki/List_of_Intel_Atom_microprocessors
with additional information gleaned from other related pages; notably:
- Bonnell shrink was called Saltwell
- Moorefield is the Merriefield refresh which makes it Airmont
The general naming scheme is: FAM6_ATOM_UARCH_SOCTYPE
for i in `git grep -l FAM6_ATOM` ; do
sed -i -e 's/ATOM_PINEVIEW/ATOM_BONNELL/g' \
-e 's/ATOM_LINCROFT/ATOM_BONNELL_MID/' \
-e 's/ATOM_PENWELL/ATOM_SALTWELL_MID/g' \
-e 's/ATOM_CLOVERVIEW/ATOM_SALTWELL_TABLET/g' \
-e 's/ATOM_CEDARVIEW/ATOM_SALTWELL/g' \
-e 's/ATOM_SILVERMONT1/ATOM_SILVERMONT/g' \
-e 's/ATOM_SILVERMONT2/ATOM_SILVERMONT_X/g' \
-e 's/ATOM_MERRIFIELD/ATOM_SILVERMONT_MID/g' \
-e 's/ATOM_MOOREFIELD/ATOM_AIRMONT_MID/g' \
-e 's/ATOM_DENVERTON/ATOM_GOLDMONT_X/g' \
-e 's/ATOM_GEMINI_LAKE/ATOM_GOLDMONT_PLUS/g' ${i}
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: dave.hansen@linux.intel.com
Cc: len.brown@intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The count of errors is picked up from bits 52:38 of the machine check
bank status register. But this is the count of *corrected* errors. If an
uncorrected error is being logged, the h/w sets this field to 0. Which
means that when edac_mc_handle_error() is called, the EDAC core will
carefully add zero to the appropriate uncorrected error counts.
Signed-off-by: Tony Luck <tony.luck@intel.com>
[ Massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180928213934.19890-1-tony.luck@intel.com
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Use the for_each_of_cpu_node iterator to iterate over cpu nodes. This
has the side effect of defaulting to iterating using "cpu" node names in
preference to the deprecated (for FDT) device_type == "cpu".
The error messages are removed in the process as it's not the driver's
job to be checking cpu nodes. Any problems with cpu nodes should be
noticed by the architecture code.
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac@vger.kernel.org
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rob Herring <robh@kernel.org>
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The altera edac driver passes a token from a DT resource as
resource_size_t into an SMC call, but casts it to an __iomem pointer and
then a plain void pointer inbetween, mixing three or four incompatible
types in the process. The compiler complains about one of the
conversions:
drivers/edac/altera_edac.c: In function 'altr_init_a10_ecc_block':
drivers/edac/altera_edac.c:1053:10: error: cast to pointer from integer of \
different size [-Werror=int-to-pointer-cast]
base = (void __iomem *)res.start;
^
drivers/edac/altera_edac.c: In function 'altr_edac_a10_probe':
drivers/edac/altera_edac.c:2062:10: error: cast to pointer from integer of \
different size [-Werror=int-to-pointer-cast]
base = (void __iomem *)res.start;
Using a static checker probably also notices the __iomem cast. Solving
this properly isn't trivial, but simply casting to a 'uintptr_t' instead
of 'void __iomem *' makes it less wrong and should avoid the warnings.
Fixes: d5fc9125566c ("EDAC, altera: Combine Stratix10 and Arria10 probe functions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Thor Thayer <thor.thayer@linux.intel.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: David Frey <dpfrey@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: linux-edac@vger.kernel.org
Link: https://lkml.kernel.org/r/20180927100949.973078-1-arnd@arndb.de
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Add support for Hygon Dhyana CPU to EDAC.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: mchehab@kernel.org
Cc: tglx@linutronix.de
Cc: mingo@redhat.com
Cc: hpa@zytor.com
Cc: thomas.lendacky@amd.com
Cc: linux-edac@vger.kernel.org
Link: https://lkml.kernel.org/r/9d71061301177822bc55b3bfd44f91057458d886.1537533369.git.puwen@hygon.cn
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Add a new peripheral ECC error injection algorithm for Stratix10 and
some Arria10 peripherals. Inject a single bit error and upon readback,
it will be corrected and the SBE IRQ handler will be called.
Add regmap selection for Stratix10 or Arria10 peripheral device memory
initialization.
Add checks for both Arria10 and Stratix10 to the peripheral ECC setup.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: dinguyen@kernel.org
Cc: robh+dt@kernel.org
Cc: mark.rutland@arm.com
Cc: mchehab@kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-edac@vger.kernel.org
Link: https://lkml.kernel.org/r/1537883342-30180-6-git-send-email-thor.thayer@linux.intel.com
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Change Stratix10 regmap to use offsets from a base to match
the Arria10 regmap and allow re-use of the Arria10 functions.
Only the regmap initialization differs (Arria10 mmio_regmap
vs Stratix10 custom regmap).
Modify the SDRAM probe function to handle Stratix10. Remove the
Stratix10 offset defines if Arria10 can be used. Remove the unused
Stratix10 probe function.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: dinguyen@kernel.org
Cc: robh+dt@kernel.org
Cc: mark.rutland@arm.com
Cc: mchehab@kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-edac@vger.kernel.org
Link: https://lkml.kernel.org/r/1537883342-30180-5-git-send-email-thor.thayer@linux.intel.com
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On Stratix10, the ECC offsets are similar to the existing
Arria10 functions and this can be leveraged to simplify
the EDAC driver as follows:
1. Fold Stratix10 specifics into Arria10 structures and
functions.
2. Implement the Stratix10 System Manager register accesses
using a custom regmap to allow use with the Arria10 System
Manager regmaps.
3. Stratix10 double bit errors are implemented as SError
instead of interrupts so use a panic notifier.
Signed-off-by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: dinguyen@kernel.org
Cc: robh+dt@kernel.org
Cc: mark.rutland@arm.com
Cc: mchehab@kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-edac@vger.kernel.org
Link: https://lkml.kernel.org/r/1537883342-30180-3-git-send-email-thor.thayer@linux.intel.com
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Remove the unused local variable pvt:
drivers/edac/i7core_edac.c: In function 'i7core_mce_check_error':
drivers/edac/i7core_edac.c:1818:21: warning: variable 'pvt' set but not used \
[-Wunused-but-set-variable]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/1537841043-108267-1-git-send-email-yuehaibing@huawei.com
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Use SMBIOS module handle type 17, on platforms which provide valid
ones, to locate the corresponding DIMM and thus have per-DIMM error
counter updates.
Signed-off-by: Fan Wu <wufan@codeaurora.org>
[ Massage commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tyler Baicar <baicar.tyler@gmail.com>
Reviewed-by: James Morse <james.morse@arm.com>
Tested-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: baicar.tyler@gmail.com
Cc: john.garry@huawei.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: shiju.jose@huawei.com
Cc: tanxiaofei@huawei.com
Cc: wanghuiqiang@huawei.com
Link: http://lkml.kernel.org/r/1537322340-1860-1-git-send-email-wufan@codeaurora.org
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The {i3200|i7core|sb|skx}_edac drivers show DIMM capacity using the
wrong unit symbol: 'Mb' - megabit. Fix them by replacing 'Mb' with
'MiB' - mebibyte.
[Tony: These are all "edac_dbg()" messages, so this won't break scripts
that parse console logs.]
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Aristeu Rozanski <aris@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac@vger.kernel.org
Link: https://lkml.kernel.org/r/20180919003433.16475-1-tony.luck@intel.com
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A static checker gave the following warnings:
drivers/edac/sb_edac.c:1030 ibridge_get_ha() warn: signedness bug returning '(-22)'
drivers/edac/sb_edac.c:1037 knl_get_ha() warn: signedness bug returning '(-22)'
Both because the functions are declared to return a "u8", but try to
return -EINVAL for the error case.
Fix by returning 0xff (since the caller doesn't look at, or pass on, the
return value).
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
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/20180914201905.GA30946@agluck-desk
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add error reporting driver for Single Bit Errors (SBEs) and Double Bit
Errors (DBEs). As of now, this driver supports error reporting for
Last Level Cache Controller (LLCC) of Tag RAM and Data RAM. Interrupts
are triggered when the errors happen in the cache, the driver handles
those interrupts and dumps the syndrome registers.
Signed-off-by: Channagoud Kadabi <ckadabi@codeaurora.org>
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Co-developed-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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sb_edac sometimes reports the wrong DIMM for a memory error found by
the patrol scrubber. That is because the hardware provides only a 4KB
page-aligned address for the error case.
This means that the EDAC driver will point at the DIMM matching offset
0x0 in the 4KB page, but because of interleaving across channels and
ranks, the actual DIMM involved may be different if the error is on some
other cache line within the page.
Therefore, reconstruct the socket/iMC/channel information from the "mce"
structure passed to the EDAC driver. The DIMM cannot be determined, so
pass "dimm=-1" to the EDAC core. It will report that all the DIMMs on
that channel may be affected.
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180907230828.13901-3-tony.luck@intel.com
[ Improve comments on the functions to convert bank number
to memory controller number. Minor cleanup to commit message. ]
Signed-off-by: Tony Luck <tony.luck@intel.com>
[ Massage commit message more. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Users of the mce_register_decode_chain() are called for every logged
error. EDAC drivers should check:
1) Is this a memory error? [bit 7 in status register]
2) Is there a valid address? [bit 58 in status register]
3) Is the address a system address? [bitfield 8:6 in misc register]
The sb_edac driver performed test "1" twice. Waited far too long to
perform check "2". Didn't do check "3" at all.
Fix it by moving the test for valid address from
sbridge_mce_output_error() into sbridge_mce_check_error() and add a test
for the type immediately after. Delete the redundant check for the type
of the error from sbridge_mce_output_error().
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: Aristeu Rozanski <aris@redhat.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180907230828.13901-2-tony.luck@intel.com
[ Re-word commit message. ]
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
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Split regmap_config.use_single_rw into use_single_read and
use_single_write. This change enables drivers of devices which only
support bulk operations in one direction to use the regmap_bulk_*()
functions for both directions and have their bulk operation split into
single operations only when necessary.
Update all struct regmap_config instances where use_single_rw==true to
instead set both use_single_read and use_single_write. No attempt was
made to evaluate whether it is possible to set only one of
use_single_read or use_single_write.
Signed-off-by: David Frey <dpfrey@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Replace custom grown macro with generic INTEL_CPU_FAM6() one.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180831082341.72363-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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Add new device IDs for family 17h, models 10h-2fh.
This is required by amd64_edac_mod in order to properly detect PCI
device functions 0 and 6.
Signed-off-by: Michael Jin <mikhail.jin@gmail.com>
Reviewed-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180816192840.31166-1-mikhail.jin@gmail.com
Signed-off-by: Borislav Petkov <bp@suse.de>
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The edac_mem_types[] array misses a MEM_LRDDR4 entry, which leads to
NULL pointer dereference when accessed via sysfs or such.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Yazen Ghannam <Yazen.Ghannam@amd.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: <stable@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180810141426.8918-1-tiwai@suse.de
Fixes: 1e8096bb2031 ("EDAC: Add LRDDR4 DRAM type")
Signed-off-by: Borislav Petkov <bp@suse.de>
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Extend the driver to check whether segment number and bus number matches
when deciding how to group memory controller PCI devices to CPU sockets.
Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180724190213.26359-1-msys.mizuma@gmail.com
[ Cleanup commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>
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In the quest to remove all stack VLA usage from the kernel[1], switch to
using a kmalloc-allocated buffer instead of stack space. This should be
fine since the existing routine is allocating memory too.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Jan Glauber <jglauber@cavium.com>
Cc: David Daney <david.daney@cavium.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Link: http://lkml.kernel.org/r/20180629184850.GA37464@beast
Link: https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com [1]
Signed-off-by: Borislav Petkov <bp@suse.de>
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Make sure to free and deregister the addrmatch and chancounts devices
allocated during probe in all error paths. Also fix use-after-free in a
probe error path and in the remove success path where the devices were
being put before before deregistration.
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Fixes: 356f0a30860d ("i7core_edac: change the mem allocation scheme to make Documentation/kobject.txt happy")
Link: http://lkml.kernel.org/r/20180612124335.6420-2-johan@kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
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Make sure to use put_device() to free the initialised struct device so
that resources managed by driver core also gets released in the event of
a registration failure.
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: Denis Kirjanov <kirjanov@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: linux-edac <linux-edac@vger.kernel.org>
Fixes: 2d56b109e3a5 ("EDAC: Handle error path in edac_mc_sysfs_init() properly")
Link: http://lkml.kernel.org/r/20180612124335.6420-1-johan@kernel.org
Signed-off-by: Borislav Petkov <bp@suse.de>
|
