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* EDAC, skx, i10nm: Fix source ID register offsetQiuxu Zhuo2019-06-261-1/+1
| | | | | | | | The source ID register offset for Skylake server is 0xf0, while for Icelake server is 0xf8. Pass the correct offset to get the source ID. Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
* EDAC, skx, i10nm: Make skx_common.c a pure libraryQiuxu Zhuo2019-03-231-8/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following Kconfig constellations fail randconfig builds: CONFIG_ACPI_NFIT=y CONFIG_EDAC_DEBUG=y CONFIG_EDAC_SKX=m CONFIG_EDAC_I10NM=y or CONFIG_ACPI_NFIT=y CONFIG_EDAC_DEBUG=y CONFIG_EDAC_SKX=y CONFIG_EDAC_I10NM=m with: ... CC [M] drivers/edac/skx_common.o ... .../skx_common.o:.../skx_common.c:672: undefined reference to `__this_module' That is because if one of the two drivers - skx_edac or i10nm_edac - is built-in and the other one is a module, the shared file skx_common.c gets linked into a module object by kbuild. Therefore, when linking that same file into vmlinux, the '__this_module' symbol used in debugfs isn't defined, leading to the above error. Fix it by moving all debugfs code from skx_common.c to both skx_base.c and i10nm_base.c respectively. Thus, skx_common.c doesn't refer to the '__this_module' symbol anymore. Clarify skx_common.c's purpose at the top of the file for future reference, while at it. [ bp: Make text more readable. ] Fixes: d4dc89d069aa ("EDAC, i10nm: Add a driver for Intel 10nm server processors") Reported-by: Arnd Bergmann <arnd@arndb.de> 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: James Morse <james.morse@arm.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: linux-edac <linux-edac@vger.kernel.org> Link: https://lkml.kernel.org/r/20190321221339.GA32323@agluck-desk
* EDAC, skx_common: Separate common code out from skx_edacQiuxu Zhuo2019-02-021-0/+152
Parts of skx_edac can be shared with the Intel 10nm server EDAC driver. Carve out the common parts from skx_edac in preparation to support both skx_edac driver and i10nm_edac drivers. Co-developed-by: Tony Luck <tony.luck@intel.com> 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: James Morse <james.morse@arm.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: linux-edac <linux-edac@vger.kernel.org> Link: https://lkml.kernel.org/r/20190130191519.15393-3-tony.luck@intel.com