linux-kernel - [PATCH v6 0/7] SRAT/CEDT fixes and updates

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Message-ID: <20240430092200.2335887-1-rrichter@amd.com>
Date: Tue, 30 Apr 2024 11:21:53 +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 v6 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 (fix as suggested by Dan).

Patches 2 to 4 remove architectural code no longer needed.

Patches 5 to 7 add diagnostic printouts for CEDT.

Changelog:

v6:
 * rebased onto cxl/fixes
 * fixed 0day build errors in patch #1:
   https://github.com/intel-lab-lkp/linux/commits/Robert-Richter/x86-numa-Fix-SRAT-lookup-of-CFMWS-ranges-with-numa_fill_memblks/20240429-205337

v5:
 * dropped: "x86/numa: Fix SRAT lookup of CFMWS ranges with
   numa_fill_memblks()"
 * added: "ACPI/NUMA: Return memblk modification state from
   numa_fill_memblks()"
 * conditionally print CEDT extended memblks

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

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]

Robert Richter (7):
  x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill_memblks()
  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: Return memblk modification state from numa_fill_memblks()
  ACPI/NUMA: Add log messages for memory ranges found in CEDT
  ACPI/NUMA: Print CXL Early Discovery Table (CEDT)

 arch/x86/include/asm/sparsemem.h |   2 -
 arch/x86/mm/numa.c               |  37 +++---
 drivers/acpi/numa/srat.c         | 207 +++++++++++++++++++++++--------
 include/linux/acpi.h             |   5 -
 include/linux/numa.h             |   7 +-
 5 files changed, 176 insertions(+), 82 deletions(-)


base-commit: 5d211c7090590033581175d6405ae40917ca3a06
-- 
2.39.2