Re: [PATCH v4 0/6] resource: introduce union(), intersection() API

[Hanjun Guo]

On 2020/11/3 5:00, Andy Shevchenko wrote:
> Some users may want to use resource library to manage their own resources,
> besides existing users that open code union() and intersection()
> implementations.
>
> Provide a generic API for wider use.
>
> Changelog v4:
> - added Rb tag (Rafael)
> - Cc'ed to LKML and Greg (Rafael)
>
> Changelog v3:
> - rebased on top of v5.10-rc1
> - dropped upstreamed dependencies
> - added Rb tag to the last patch (Mika)
>
> Cc: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
> Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx
>
> Andy Shevchenko (6):
>    resource: Simplify region_intersects() by reducing conditionals
>    resource: Group resource_overlaps() with other inline helpers
>    resource: Introduce resource_union() for overlapping resources
>    resource: Introduce resource_intersection() for overlapping resources
>    PCI/ACPI: Replace open coded variant of resource_union()
>    ACPI: watchdog: Replace open coded variant of resource_union()
>
>   drivers/acpi/acpi_watchdog.c |  6 +-----
>   drivers/acpi/pci_root.c      |  4 +---
>   include/linux/ioport.h       | 34 +++++++++++++++++++++++++++-------
>   kernel/resource.c            | 10 +++++-----
>   4 files changed, 34 insertions(+), 20 deletions(-)

Reviewed-by: Hanjun Guo <guohanjun@xxxxxxxxxx>