linux-kernel - [PATCH v4 0/7] SRAT/CEDT fixes and updates

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Message-ID: <20240424154846.2152750-1-rrichter@amd.com>
Date: Wed, 24 Apr 2024 17:48:39 +0200
From: Robert Richter <rrichter@....com>
To: "Rafael J. Wysocki" <rafael@...nel.org>
CC: Dave Hansen <dave.hansen@...ux.intel.com>, Dan Williams
	<dan.j.williams@...el.com>, Alison Schofield <alison.schofield@...el.com>,
	<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-cxl@...r.kernel.org>, Robert Richter <rrichter@....com>
Subject: [PATCH v4 0/7] SRAT/CEDT fixes and updates

Some fixes and updates for SRAT/CEDT parsing code. Patches can be
applied individually and are independent.

First patch fixes a page fault during boot. It should be marked
stable.

2nd patch reworks the code around numa_fill_memblks() (Dan's
suggestion).

Patches 3 to 5 remove architectural code no longer needed.

Patches 6 to 7 add diagnostic printouts for CEDT (can be dropped if
so).

Changelog:

v4:
 * updated SOB chains and desription (Alison, Dan)
 * added patch "x86/numa: Remove numa_fill_memblks() from sparsemem.h
   using __weak", please check note on authorship (Dan)
 * Reordered patches to move CEDT table printout as an option at the
   end (Dan)
 * split print table patch and added: "ACPI/NUMA: Add log messages for
   memory ranges found in CEDT" (Alison, Dan)

v3:
 * Rebased onto v6.9-rc1
 * Fixing x86 build error in sparsemem.h [Dan/Alison]
 * Added CEDT node info [Alison]
 * Use pr_debug() for table output [Dan]
 * Refactoring split in 3 patches [Dan]
 * Fixed performance regression introduced [kbot]
 * Fixed checkpatch issues [Dan]

Bases on v6.9-rc1.

Robert Richter (7):
  x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill_memblks()
  x86/numa: Remove numa_fill_memblks() from sparsemem.h using __weak
  ACPI/NUMA: Remove architecture dependent remainings
  ACPI/NUMA: Squash acpi_numa_slit_init() into acpi_parse_slit()
  ACPI/NUMA: Squash acpi_numa_memory_affinity_init() into
    acpi_parse_memory_affinity()
  ACPI/NUMA: Add log messages for memory ranges found in CEDT
  ACPI/NUMA: Print CXL Early Discovery Table (CEDT)

 arch/x86/include/asm/numa.h      |   1 +
 arch/x86/include/asm/sparsemem.h |   2 -
 arch/x86/mm/numa.c               |   4 +-
 drivers/acpi/numa/srat.c         | 203 +++++++++++++++++++++++--------
 include/linux/acpi.h             |   5 -
 include/linux/numa.h             |   7 --
 6 files changed, 155 insertions(+), 67 deletions(-)


base-commit: d37a823e8ac01a2f657eed7aed8ea7e515c5f147
-- 
2.39.2