On 7/10/25 8:23 PM, Li Ming wrote:
> In cxl_do_ppr(), there is a checking to check if a DPA is valid, the
> implementation of the checking is check if the DPA is 0, if yes,
> consider that DPA is valid. the checking is not right, the correct
> implementation is checking if the DPA is in the CXL device DPA range, if
> yes, it is valid.
>
> The patchset also includes another part implementing a general helper
> function cxl_resource_contains_addr() in cxl core so that cxl drivers
> can use it for all DPA/HPA/SPA availability checking.
applied to cxl/next
bdf2d9fd3a86 cxl/core: Using cxl_resource_contains_addr() to check address availability
03ff65c02559 cxl/edac: Fix wrong dpa checking for PPR operation
5b6031c832c2 cxl/core: Introduce a new helper cxl_resource_contains_addr()
>
> v6:
> - Fix reviewed-by tag mistake.
>
> v5:
> - Reverse checkings order in cxl_do_ppr(). (Alison)
>
> v4:
> - Add cxl_ prefix to resource_contains_addr(). (Andy & Alison)
> - Add impact statement to the commit log of Patch #2. (Alison)
> - Add review tags.
>
> v3:
> - Move resource_contains_addr() from include/linux/ioport.h to
> cxl/core/hdm.c. (Andy)
>
> v2:
> - Implement a general helper resource_contains_addr() for DPA/HPA
> resource. (Alison)
>
> base-commit: d0b3b7b22dfa1f4b515fd3a295b3fd958f9e81af cxl/fixes
>
> Li Ming (3):
> cxl/core: Introduce a new helper cxl_resource_contains_addr()
> cxl/edac: Fix wrong dpa checking for PPR operation
> cxl/core: Using cxl_resource_contains_addr() to check address
> availability
>
> drivers/cxl/core/core.h | 1 +
> drivers/cxl/core/edac.c | 9 ++++++---
> drivers/cxl/core/hdm.c | 7 +++++++
> drivers/cxl/core/memdev.c | 2 +-
> drivers/cxl/core/region.c | 6 +++---
> 5 files changed, 18 insertions(+), 7 deletions(-)
>