[PATCH 0/3] Increase MCA bank count

[Yazen Ghannam]

Hi all,

This set increases the max MCA bank count (MAX_NR_BANKS) to the
architectural limit.

Patch 1 is a bug fix that came out of code review.

Patch 2 is a pre-patch to avoid a bug for systems with more than 64 MCA
banks per thread.

Patch 3 is where MAX_NR_BANKS is updated. The commit message includes
some memory stats like the last time we bumped up MAX_NR_BANKS.

Originally, I intended to include additional patches to consolidate and
dynamically allocate many of the per-CPU and per-bank structures. These
still need more work. So I thought to send just this small set to start.

Also, I figure a smaller set would be easier for backporting for those
who want the feature support but don't want the additional rework.

Thanks,
Yazen

Yazen Ghannam (3):
  x86/mce/amd: Fix bank lookup in amd_mce_usable_address()
  x86/mce/amd: Convert bank_map to a bitmap
  x86/mce: Increase MAX_NR_BANKS to 255

 arch/x86/include/asm/mce.h      | 2 +-
 arch/x86/kernel/cpu/mce/amd.c   | 9 +++++----
 arch/x86/kernel/cpu/mce/core.c  | 6 ------
 arch/x86/kernel/cpu/mce/intel.c | 2 +-
 4 files changed, 7 insertions(+), 12 deletions(-)


base-commit: cee9395acd8043be0644b25c34bfa86623f2b935
-- 
2.43.0