[GIT PULL] Compute Express Link (CXL) changes for 7.2

[Dave Jiang <dave.jiang@intel.com>]

Hi Linus, please pull from:

git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git tags/cxl-for-7.2

...to receive a collection of CXL fixes and changes, including an update to
MAITAINERS to add Ming Li as a CXL subsystem reviewer. There's also a series
to introduce devm_cxl_probe_mem() core API in order to pave the way for CXL
type2 device drivers to setup and retrieve CXL region resource during probe.

These have all appeared in -next for a few days with no reported issues.

---

The following changes since commit e43ffb69e0438cddd72aaa30898b4dc446f664f8:

  Linux 7.1-rc6 (2026-05-31 15:14:24 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git tags/cxl-for-7.2

for you to fetch changes up to f72af41a43e16276c46d44cf8a833cc0f9ba9d48:

  Merge branch 'for-7.2/cxl-type2-attach-region' into cxl-for-next (2026-06-12 13:47:53 -0700)

----------------------------------------------------------------
CXL changes for v7.2

Introduce devm_cxl_probe_mem(), in prep for type2 basic enabling:
cxl: Add dummy function for cxl_memdev_attach_region for !CONFIG_CXL_REGION
cxl/region: Introduce devm_cxl_probe_mem()
cxl/memdev: Introduce cxl_class_memdev_type
cxl/memdev: Pin parents for entire memdev lifetime
cxl/region: Resolve region deletion races
cxl/region: Block region delete during region creation

CXL Misc:
cxl/region: Fill first free targets[] slot during auto-discovery
cxl/region: Fix out-of-bounds access in cxl_cancel_auto_attach()
tools/testing/cxl: Resolve auto-region decoder targets like real HW
cxl: Align interleave decode/encode helpers with their callers
cxl/test: Add check after kzalloc() memory in alloc_mock_res()
cxl/test: Unregister cxl_acpi in cxl_test_init() error path
cxl/test: Zero out LSA backing memory to avoid leaking to user
cxl/test: Fix integer overflow in mock LSA bounds checks
cxl/test: Verify cmd->size_in before accessing payload
cxl/port: update reference to removed CONFIG_PROVE_CXL_LOCKING
cxl/region: Avoid variable shadowing in region attach paths
cxl: Fix CXL_HEADERLOG_SIZE to match RAS Capability size
cxl/test: Fix __fortify_panic
cxl/fwctl: Fix __fortify_panic
MAINTAINERS: Add CXL reviewer
cxl/test: Enforce PMD alignment for volatile mock regions
cxl/region: Validate partition index before array access
cxl/memdev: Hold memdev lock during memdev poison injection/clear

CXL PCI fixes:
cxl/pci: Convert PCIBIOS errors to errno on DVSEC config accesses
cxl/pci: Fix the incorrect check of pci_read_config_word() return

----------------------------------------------------------------
Alison Schofield (3):
      MAINTAINERS: Add CXL reviewer
      cxl/region: Avoid variable shadowing in region attach paths
      cxl: Align interleave decode/encode helpers with their callers

Dan Williams (7):
      cxl/fwctl: Fix __fortify_panic
      cxl/test: Fix __fortify_panic
      cxl/region: Block region delete during region creation
      cxl/region: Resolve region deletion races
      cxl/memdev: Pin parents for entire memdev lifetime
      cxl/memdev: Introduce cxl_class_memdev_type
      cxl/region: Introduce devm_cxl_probe_mem()

Dave Jiang (10):
      cxl/pci: Fix the incorrect check of pci_read_config_word() return
      cxl/pci: Convert PCIBIOS errors to errno on DVSEC config accesses
      cxl/test: Verify cmd->size_in before accessing payload
      cxl/test: Fix integer overflow in mock LSA bounds checks
      cxl/test: Zero out LSA backing memory to avoid leaking to user
      cxl/test: Unregister cxl_acpi in cxl_test_init() error path
      cxl/test: Add check after kzalloc() memory in alloc_mock_res()
      Merge branch 'for-7.2/cxl-misc' into cxl-for-next
      cxl: Add dummy function for cxl_memdev_attach_region for !CONFIG_CXL_REGION
      Merge branch 'for-7.2/cxl-type2-attach-region' into cxl-for-next

Ethan Nelson-Moore (1):
      cxl/port: update reference to removed CONFIG_PROVE_CXL_LOCKING

Koba Ko (1):
      cxl/region: Validate partition index before array access

Li Ming (3):
      cxl/memdev: Hold memdev lock during memdev poison injection/clear
      cxl/region: Fix out-of-bounds access in cxl_cancel_auto_attach()
      cxl/region: Fill first free targets[] slot during auto-discovery

Richard Cheng (2):
      cxl/test: Enforce PMD alignment for volatile mock regions
      tools/testing/cxl: Resolve auto-region decoder targets like real HW

Terry Bowman (1):
      cxl: Fix CXL_HEADERLOG_SIZE to match RAS Capability size

 MAINTAINERS                            |   1 +
 drivers/cxl/acpi.c                     |  10 +-
 drivers/cxl/core/core.h                |   2 +
 drivers/cxl/core/features.c            |   2 +-
 drivers/cxl/core/memdev.c              |  20 ++-
 drivers/cxl/core/pci.c                 |  26 ++--
 drivers/cxl/core/port.c                |   7 +-
 drivers/cxl/core/ras.c                 |  27 +++-
 drivers/cxl/core/region.c              | 270 +++++++++++++++++++++++++--------
 drivers/cxl/core/trace.h               |  24 ++-
 drivers/cxl/cxl.h                      |  28 +++-
 drivers/cxl/cxlmem.h                   |  34 ++++-
 drivers/cxl/mem.c                      | 105 ++++++++++---
 drivers/cxl/pci.c                      |   2 +-
 drivers/cxl/port.c                     |   2 +-
 include/cxl/cxl.h                      |   3 +
 tools/testing/cxl/test/cxl.c           |  41 +++--
 tools/testing/cxl/test/cxl_translate.c |   2 +-
 tools/testing/cxl/test/mem.c           |  47 ++++--
 19 files changed, 495 insertions(+), 158 deletions(-)