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

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On 2020/11/3 16:31, Andy Shevchenko wrote:
On Tue, Nov 3, 2020 at 2:46 AM Hanjun Guo <guohanjun@xxxxxxxxxx> wrote:

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>

Thanks. Is it for the entire series?

Yes.

By the way, I tested this patch set on a ARM64 machine booting
with ACPI against 5.10-rc2, and no regressions with PCI, so feel
free to add my Tested-by tag for patch [1,2,3,5/6].

Thanks
Hanjun



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