[RESEND PATCH v3] cxl: Wrap iterations over afu slices inside 'afu_list_lock'

[Sasha Levin]

Hi,

[This is an automated email]

This commit has been processed because it contains a "Fixes:" tag,
fixing commit: .

The bot has tested the following trees: v4.20.5, v4.19.18, v4.14.96, v4.9.153, v4.4.172, v3.18.133.

v4.20.5: Build OK!
v4.19.18: Build OK!
v4.14.96: Build OK!
v4.9.153: Failed to apply! Possible dependencies:
    bb81733de28c ("cxl: Fix error handling in _cxl_pci_associate_default_context()")

v4.4.172: Failed to apply! Possible dependencies:
    14baf4d9c739 ("cxl: Add guest-specific code")
    2b04cf310ba8 ("cxl: Rename some bare-metal specific functions")
    5be587b11101 ("cxl: Introduce implementation-specific API")
    73d55c3b59f7 ("cxl: IRQ allocation for guests")
    8633186209e3 ("cxl: Move common code away from bare-metal-specific files")
    cbffa3a5146a ("cxl: Separate bare-metal fields in adapter and AFU data structures")
    d56d301b5174 ("cxl: Move bare-metal specific code to specialized files")
    ea2d1f95efd7 ("cxl: Isolate a few bare-metal-specific calls")

v3.18.133: Failed to apply! Possible dependencies:
    0520336afe5d ("cxl: Export file ops for use by API")
    0b3f9c757cab ("cxl: Drop commands if the PCI channel is not in normal state")
    14baf4d9c739 ("cxl: Add guest-specific code")
    27d4dc7116ee ("cxl: Implement an ioctl to fetch afu card-id, offset-id and mode")
    3d6b040e7338 ("cxl: sparse: Make declarations static")
    406e12ec0b64 ("cxl: Cleanup Makefile")
    456295e284be ("cxl: Fix leaking interrupts if attach process fails")
    588b34be20bc ("cxl: Convert MMIO read/write macros to inline functions")
    5be587b11101 ("cxl: Introduce implementation-specific API")
    62fa19d4b4fd ("cxl: Add ability to reset the card")
    6428832a7bfa ("cxl: Add cookie parameter to afu_release_irqs()")
    6f7f0b3df6d4 ("cxl: Add AFU virtual PHB and kernel API")
    73d55c3b59f7 ("cxl: IRQ allocation for guests")
    7bb5d91a4dda ("cxl: Rework context lifetimes")
    80c394fab896 ("cxl: Add explicit precision specifiers")
    80fa93fce37d ("cxl: Name interrupts in /proc/interrupt")
    8dde152ea348 ("cxl: fix leak of IRQ names in cxl_free_afu_irqs()")
    95bc11bcd142 ("cxl: Add image control to sysfs")
    9bcf28cdb28e ("cxl: Add tracepoints")
    b087e6190ddc ("cxl: Export optional AFU configuration record in sysfs")
    b12994fbfe93 ("cxl: cxl_afu_reset() -> __cxl_afu_reset()")
    bc78b05bb412 ("cxl: Return error to PSL if IRQ demultiplexing fails & print clearer warning")
    c358d84b4e57 ("cxl: Split afu_register_irqs() function")
    cbffa3a5146a ("cxl: Separate bare-metal fields in adapter and AFU data structures")
    de369538436a ("cxl: use more common format specifier")
    e36f6fe1f7aa ("cxl: Export AFU error buffer via sysfs")
    ea2d1f95efd7 ("cxl: Isolate a few bare-metal-specific calls")
    eda3693c842e ("cxl: Rework detach context functions")


How should we proceed with this patch?

--
Thanks,
Sasha