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Linux kernel source tree
38d42a6612
- Use pci_resource_n() to simplify BAR/window resource lookup (Ilpo
Järvinen)
- Fix typo that repeatedly distributed resources to a bridge instead of
iterating over subordinate bridges, which resulted in too little space to
assign some BARs (Kai-Heng Feng)
- Relax bridge window tail sizing for optional resources, e.g., IOV BARs,
to avoid failures when removing and re-adding devices (Ilpo Järvinen)
- Fix a double counting error for I/O resources, as we previously did for
memory resources (Ilpo Järvinen)
- Use resource_set_{range,size}() helpers in more places (Ilpo Järvinen)
- Add pci_resource_is_iov() to identify IOV resources (Ilpo Järvinen)
- Add pci_resource_num() to look up the BAR number from the resource
pointer (Ilpo Järvinen)
- Add restore_dev_resource() to simplify code that resources saved device
resources (Ilpo Järvinen)
- Allow drivers to enable devices even if we haven't assigned optional IOV
resources to them (Ilpo Järvinen)
- Improve debug output during resource reallocation (Ilpo Järvinen)
- Rework handling of optional resources (IOV BARs, ROMs) to reduce failures
if we can't allocate them (Ilpo Järvinen)
- Move declarations of pci_rescan_bus_bridge_resize(),
pci_reassign_bridge_resources(), and CardBus-related sizes from
include/linux/pci.h to drivers/pci/pci.h since they're not used outside
the PCI core (Ilpo Järvinen)
- Make pci_setup_bridge() static (Ilpo Järvinen)
- Fix a NULL dereference in the SR-IOV VF creation error path (Shay Drory)
- Fix s390 mmio_read/write syscalls, which didn't cause page faults in some
cases, which broke vfio-pci lazy mapping on first access (Niklas
Schnelle)
- Add pdev->non_mappable_bars to replace CONFIG_VFIO_PCI_MMAP, which was
disabled only for s390 (Niklas Schnelle)
- Support mmap of PCI resources on s390 except for ISM devices (Niklas
Schnelle)
* pci/resource:
s390/pci: Support mmap() of PCI resources except for ISM devices
s390/pci: Introduce pdev->non_mappable_bars and replace VFIO_PCI_MMAP
s390/pci: Fix s390_mmio_read/write syscall page fault handling
PCI: Fix NULL dereference in SR-IOV VF creation error path
PCI: Move cardbus IO size declarations into pci/pci.h
PCI: Make pci_setup_bridge() static
PCI: Move resource reassignment func declarations into pci/pci.h
PCI: Move pci_rescan_bus_bridge_resize() declaration to pci/pci.h
PCI: Fix BAR resizing when VF BARs are assigned
PCI: Do not claim to release resource falsely
PCI: Increase Resizable BAR support from 512 GB to 128 TB
PCI: Rework optional resource handling
PCI: Perform reset_resource() and build fail list in sync
PCI: Use res->parent to check if resource is assigned
PCI: Add debug print when releasing resources before retry
PCI: Indicate optional resource assignment failures
PCI: Always have realloc_head in __assign_resources_sorted()
PCI: Extend enable to check for any optional resource
PCI: Add restore_dev_resource()
PCI: Remove incorrect comment from pci_reassign_resource()
PCI: Consolidate assignment loop next round preparation
PCI: Rename retval to ret
PCI: Use while loop and break instead of gotos
PCI: Refactor pdev_sort_resources() & __dev_sort_resources()
PCI: Converge return paths in __assign_resources_sorted()
PCI: Add dev & res local variables to resource assignment funcs
PCI: Add pci_resource_num() helper
PCI: Check resource_size() separately
PCI: Add pci_resource_is_iov() to identify IOV resources
PCI: Use resource_set_{range,size}() helpers
PCI: Use SZ_* instead of literals in setup-bus.c
PCI: Fix old_size lower bound in calculate_iosize() too
PCI: Allow relaxed bridge window tail sizing for optional resources
PCI: Simplify size1 assignment logic
PCI: Use min_align, not unrelated add_align, for size0
PCI: Remove add_align overwrite unrelated to size0
PCI: Use downstream bridges for distributing resources
PCI: Cleanup dev->resource + resno to use pci_resource_n()
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.