kernel/linux.git/drivers/edac/imh_base.c, branch linux-7.1.y

Convert 'alloc_flex' family to use the new default GFP_KERNEL argument

2026-02-22T01:09:51+00:00

This is the exact same thing as the 'alloc_obj()' version, only much smaller because there are a lot fewer users of the *alloc_flex() interface. As with alloc_obj() version, this was done entirely with mindless brute force, using the same script, except using 'flex' in the pattern rather than 'objs*'. Signed-off-by: Linus Torvalds

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-22T01:09:51+00:00

This was done entirely with mindless brute force, using git grep -l '\

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21T09:02:28+00:00

This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook

EDAC/imh: Setup 'imh_test' debugfs testing node

2025-11-21T18:20:51+00:00

Setup the following debugfs testing node to enable fake memory error address decoding tests for the imh_edac driver. /sys/kernel/debug/edac/imh_test/addr Tested-by: Yi Lai Signed-off-by: Qiuxu Zhuo Signed-off-by: Tony Luck Link: https://patch.msgid.link/20251119134132.2389472-8-qiuxu.zhuo@intel.com

EDAC/{skx_comm,imh}: Detect 2-level memory configuration

2025-11-21T18:20:51+00:00

Detect 2-level memory configurations and notify the 'skx_common' library to enable ADXL 2-level memory error decoding. Tested-by: Yi Lai Signed-off-by: Qiuxu Zhuo Signed-off-by: Tony Luck Link: https://patch.msgid.link/20251119134132.2389472-7-qiuxu.zhuo@intel.com

EDAC/{skx_common,imh}: Add EDAC driver for Intel Diamond Rapids servers

2025-11-21T18:19:43+00:00

Intel Diamond Rapids CPUs include Integrated Memory and I/O Hubs (IMH). The memory controllers within the IMHs provide memory stacks to the processor. Create a new driver for this IMH-based memory controllers rather than applying additional patches to the existing i10nm_edac.c for the following reasons: 1) The memory controllers are not presented as PCI devices; instead, the detection and all their registers have been transitioned to MMIO-based memory spaces. 2) Validation processes are costly. Modifications to i10nm_edac would require extensive validation checks against multiple platforms, including Ice Lake, Sapphire Rapids, Emerald Rapids, Granite Rapids, Sierra Forest, and Grand Ridge. 3) Future Intel CPUs will likely only need patches on top of this new EDAC driver. Validation can be limited to Diamond Rapids servers and future Intel CPU generations. [Tony: Fix kerneldoc for struct local_reg] [randconfig: Added dependencies on NFIT and DMI] Tested-by: Yi Lai Signed-off-by: Qiuxu Zhuo Signed-off-by: Tony Luck Link: https://patch.msgid.link/20251119134132.2389472-5-qiuxu.zhuo@intel.com