Re: [PATCH] cxl/region: fix format string for resource_size_t

From: Dave Jiang
Date: Mon Jan 05 2026 - 20:22:49 EST




On 12/4/25 2:52 AM, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> The size of this type is architecture specific, and the recommended
> way to print it portably is through the custom %pap format string.
>
> Fixes: d6602e25819d ("cxl/region: Add support to indicate region has extended linear cache")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

Applied to cxl/fixes
88c72bab77aaf389beccf762e112828253ca0564

DJ

> ---
> drivers/cxl/core/region.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index ae899f68551f..fc36a5413d3f 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c
> @@ -759,7 +759,7 @@ static ssize_t extended_linear_cache_size_show(struct device *dev,
> ACQUIRE(rwsem_read_intr, rwsem)(&cxl_rwsem.region);
> if ((rc = ACQUIRE_ERR(rwsem_read_intr, &rwsem)))
> return rc;
> - return sysfs_emit(buf, "%#llx\n", p->cache_size);
> + return sysfs_emit(buf, "%pap\n", &p->cache_size);
> }
> static DEVICE_ATTR_RO(extended_linear_cache_size);
>