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cxl fixes for v7.0-rc2

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- Fix incorrect usages of decoder flags.
 cxl/region: Test CXL_DECODER_F_NORMALIZED_ADDRESSING as a bitmask
 cxl: Test CXL_DECODER_F_LOCK as a bitmask
 
 cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed()
 
 - Moving of devm_cxl_add_nvdimm_bridge() is required for the race fix.
 cxl: Fix race of nvdimm_bus object when creating nvdimm objects
 cxl: Move devm_cxl_add_nvdimm_bridge() to cxl_pmem.ko
 
 - The port_to_host() is used to fix the race window without host lock.
 cxl/port: Hold port host lock during dport adding.
 cxl/port: Introduce port_to_host() helper
 
 cxl/memdev: fix deadlock in cxl_memdev_autoremove() on attach failure
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Merge tag 'cxl-fixes-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl

Pull cxl fixes from Dave Jiang:

 - Fix incorrect usages of decoder flags

 - Validate payload size before accessing contents

 - Fix race condition when creating nvdimm objects

 - Fix deadlock on attach failure

* tag 'cxl-fixes-7.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
  cxl/region: Test CXL_DECODER_F_NORMALIZED_ADDRESSING as a bitmask
  cxl: Test CXL_DECODER_F_LOCK as a bitmask
  cxl/mbox: validate payload size before accessing contents in cxl_payload_from_user_allowed()
  cxl: Fix race of nvdimm_bus object when creating nvdimm objects
  cxl: Move devm_cxl_add_nvdimm_bridge() to cxl_pmem.ko
  cxl/port: Hold port host lock during dport adding.
  cxl/port: Introduce port_to_host() helper
  cxl/memdev: fix deadlock in cxl_memdev_autoremove() on attach failure
This commit is contained in:
Linus Torvalds 2026-02-27 10:52:57 -08:00
commit aed968f8a6
9 changed files with 117 additions and 54 deletions
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