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EDAC, skx_edac: Add EDAC driver for Skylake

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This is an entirely new driver instead of yet another set of patches
to sb_edac.c because:

1) Mapping from PCI devices to socket/memory controller is significantly
   different. Skylake scatters devices on a socket across a number of
   PCI buses.
2) There is an extra level of interleaving via the "mcroute" register
   that would be a little messy to squeeze into the old driver.
3) Validation is getting too expensive. Changes to sb_edac need to
   be checked against Sandy Bridge, Ivy Bridge, Haswell, Broadwell and
   Knights Landing.

Acked-by: Aristeu Rozanski <aris@redhat.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tony Luck 2016-08-20 16:27:58 -07:00 committed by Linus Torvalds
parent 6040e57658
commit 4ec656bdf4
4 changed files with 1136 additions and 0 deletions
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6
MAINTAINERS
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@ -4525,6 +4525,12 @@ L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/sb_edac.c
EDAC-SKYLAKE
M: Tony Luck <tony.luck@intel.com>
L: linux-edac@vger.kernel.org
S: Maintained
F: drivers/edac/skx_edac.c
EDAC-XGENE
APPLIED MICRO (APM) X-GENE SOC EDAC
M: Loc Ho <lho@apm.com>

8
drivers/edac/Kconfig
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@ -251,6 +251,14 @@ config EDAC_SBRIDGE
Support for error detection and correction the Intel
Sandy Bridge, Ivy Bridge and Haswell Integrated Memory Controllers.
config EDAC_SKX
tristate "Intel Skylake server Integrated MC"
depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL
depends on PCI_MMCONFIG
help
Support for error detection and correction the Intel
Skylake server Integrated Memory Controllers.
config EDAC_MPC85XX
tristate "Freescale MPC83xx / MPC85xx"
depends on EDAC_MM_EDAC && FSL_SOC

1
drivers/edac/Makefile
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@ -31,6 +31,7 @@ obj-$(CONFIG_EDAC_I5400) += i5400_edac.o
obj-$(CONFIG_EDAC_I7300) += i7300_edac.o
obj-$(CONFIG_EDAC_I7CORE) += i7core_edac.o
obj-$(CONFIG_EDAC_SBRIDGE) += sb_edac.o
obj-$(CONFIG_EDAC_SKX) += skx_edac.o
obj-$(CONFIG_EDAC_E7XXX) += e7xxx_edac.o
obj-$(CONFIG_EDAC_E752X) += e752x_edac.o
obj-$(CONFIG_EDAC_I82443BXGX) += i82443bxgx_edac.o

1121
drivers/edac/skx_edac.c Normal file
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