linux-kernel - [GIT PULL] Compute Express Link (CXL) Fixes for 6.19-rc6

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Message-ID: <fe2b0fb8-8203-4630-b974-54d223353c24@intel.com>
Date: Fri, 16 Jan 2026 11:03:10 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel <linux-kernel@...r.kernel.org>,
 "linux-cxl@...r.kernel.org" <linux-cxl@...r.kernel.org>,
 Dan Williams <dan.j.williams@...el.com>,
 Jonathan Cameron <Jonathan.Cameron@...wei.com>,
 Davidlohr Bueso <dave@...olabs.net>,
 Alison Schofield <alison.schofield@...el.com>,
 Ira Weiny <ira.weiny@...el.com>, Vishal Verma <vishal.l.verma@...el.com>
Subject: [GIT PULL] Compute Express Link (CXL) Fixes for 6.19-rc6

Hi Linus, please pull from

git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git cxl-fixes-6.19-rc6

...to receive a collection of CXL fixes.

This commit, 269031b15c14 ("x86/kaslr: Recognize all ZONE_DEVICE users as physaddr consumers")
is for x86 but was reported through a CXL issue. The commit has an ack from Dave Hansen.

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

---

The following changes since commit 9ace4753a5202b02191d54e9fdf7f9e3d02b85eb:

  Linux 6.19-rc4 (2026-01-04 14:41:55 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git cxl-fixes-6.19-rc6

for you to fetch changes up to 8441c7d3bd6c5a52ab2ecf77e43a5bf262004f5c:

  cxl: Check for invalid addresses returned from translation functions on errors (2026-01-13 08:30:40 -0700)

----------------------------------------------------------------
cxl fixes for v6.19-rc6

- Recognize all ZONE_DEVICE users as physaddr consumers
- Fix format string for extended_linear_cache_size_show()
- Fix target list setup for multiple decoders sharing the same
  downstream port
- Restore HBIW check before derefernce platform data
- Fix potential infinite loop in __cxl_dpa_reserve()
- Check for invalid addresses returned from translation functions on
  error.

----------------------------------------------------------------
Alison Schofield (1):
      cxl/acpi: Restore HBIW check before dereferencing platform_data

Arnd Bergmann (1):
      cxl/region: fix format string for resource_size_t

Dan Williams (1):
      x86/kaslr: Recognize all ZONE_DEVICE users as physaddr consumers

Li Ming (1):
      cxl/hdm: Fix potential infinite loop in __cxl_dpa_reserve()

Robert Richter (2):
      cxl/port: Fix target list setup for multiple decoders sharing the same dport
      cxl: Check for invalid addresses returned from translation functions on errors

 arch/x86/mm/kaslr.c                    | 10 +++++-----
 drivers/cxl/acpi.c                     | 11 +++++++++--
 drivers/cxl/core/hdm.c                 |  4 ++--
 drivers/cxl/core/port.c                |  2 +-
 drivers/cxl/core/region.c              | 36 +++++++++++++++++++++++++---------
 drivers/pci/Kconfig                    |  6 ------
 mm/Kconfig                             | 10 +++++++---
 tools/testing/cxl/test/cxl_translate.c | 26 ++++++++++++++----------
 8 files changed, 67 insertions(+), 38 deletions(-)