Re: [PATCH] perf/arm-cmn: Fix resource_size_t printk specifier in arm_cmn_init_dtc()

From: Will Deacon

Date: Thu Mar 26 2026 - 11:52:17 EST


On Wed, 25 Mar 2026 19:19:26 -0700, Nathan Chancellor wrote:
> When building for 32-bit ARM, there is a warning when using the %llx
> specifier to print a resource_size_t variable:
>
> drivers/perf/arm-cmn.c: In function 'arm_cmn_init_dtc':
> drivers/perf/arm-cmn.c:2149:73: error: format '%llx' expects argument of type 'long long unsigned int', but argument 4 has type 'resource_size_t' {aka 'unsigned int'} [-Werror=format=]
> 2149 | "Failed to request DTC region 0x%llx\n", base);
> | ~~~^ ~~~~
> | | |
> | | resource_size_t {aka unsigned int}
> | long long unsigned int
> | %x
>
> [...]

Applied to will (for-next/perf), thanks!

[1/1] perf/arm-cmn: Fix resource_size_t printk specifier in arm_cmn_init_dtc()
https://git.kernel.org/will/c/47f06ebbe8da

Cheers,
--
Will

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