linux-dev - Linux kernel development work

Age	Commit message (Collapse)	Author	Files	Lines
2019-03-23	EDAC, skx, i10nm: Make skx_common.c a pure library	Qiuxu Zhuo	1	-47/+10
	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
2019-02-06	EDAC, skx_common: Add code to recognise new compound error code	Tony Luck	1	-3/+5
	A new error code for systems that use DRAM as an extra level of cache looks like: 000F 0010 1MMM CCCC where the MMM and CCCC bits are used for the same purpose as the original code. For this new class of errors the ADXL translation will provide details of both the DIMM used as cache for the error location and the component that is being cached. Note: This new error code is first supported in Skylake. Older EDAC drivers do not need to be updated. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Aristeu Rozanski <aris@redhat.com> Cc: James Morse <james.morse@arm.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Qiuxu Zhuo <qiuxu.zhuo@intel.com> Cc: linux-edac <linux-edac@vger.kernel.org> Link: https://lkml.kernel.org/r/20190205182109.27828-1-tony.luck@intel.com
2019-02-02	EDAC, skx_common: Separate common code out from skx_edac	Qiuxu Zhuo	1	-0/+689
	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