Re: linux-next: build failure after merge of the bitmap tree

Beata Michalska
2025-02-18T10:35:14Z

Hi,
On Tue, Feb 18, 2025 at 04:07:42PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the bitmap tree, today's linux-next build (arm64 defconfig)
> failed like this:
>
> arch/arm64/kernel/topology.c: In function 'arch_freq_get_on_cpu':
> arch/arm64/kernel/topology.c:270:43: error: too many arguments to function 'cpumask_next_wrap'
> 270 | ref_cpu = cpumask_next_wrap(ref_cpu, policy->cpus,
> | ^~~~~~~~~~~~~~~~~
> In file included from arch/arm64/include/asm/cpufeature.h:27,
> from arch/arm64/include/asm/ptrace.h:11,
> from arch/arm64/include/asm/irqflags.h:9,
> from include/linux/irqflags.h:18,
> from include/linux/spinlock.h:59,
> from include/linux/mmzone.h:8,
> from include/linux/gfp.h:7,
> from include/linux/slab.h:16,
> from include/linux/resource_ext.h:11,
> from include/linux/acpi.h:13,
> from arch/arm64/kernel/topology.c:14:
> include/linux/cpumask.h:317:14: note: declared here
> 317 | unsigned int cpumask_next_wrap(int n, const struct cpumask *src)
> | ^~~~~~~~~~~~~~~~~
>
> Caused by commits
>
> 46ac1bec179d ("cpumask: deprecate cpumask_next_wrap()")
> 43f7f920e14e ("cpumask: re-introduce cpumask_next{,_and}_wrap()")
> 65b98ea8b278 ("cpumask: drop cpumask_next_wrap_old()")
>
> interacting with commit
>
> dd871ac1237f ("arm64: Provide an AMU-based version of arch_freq_get_on_cpu")
>
> from the arm64 tree.
>
> I have applied the following patch for today (which may not be correct).
Thank you for that.

I'm currently testing a proper fix for that one.
Should I just send it over as a diff to apply or rather a proper 'fixes' patch?

---
BR
Beata
>
> From: Stephen Rothwell <sfr@canb.auug.org.au>
> Date: Tue, 18 Feb 2025 15:44:06 +1100
> Subject: [PATCH] fixup for "cpumask: drop cpumask_next_wrap_old()"
>
> interacting with commit
>
> dd871ac1237f ("arm64: Provide an AMU-based version of arch_freq_get_on_cpu")
>
> from the arm64 tree.
>
> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
> ---
> arch/arm64/kernel/topology.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c
> index 6f0cab8e746b..70db234c41a2 100644
> --- a/arch/arm64/kernel/topology.c
> +++ b/arch/arm64/kernel/topology.c
> @@ -231,7 +231,6 @@ void arch_cpu_idle_enter(void)
> int arch_freq_get_on_cpu(int cpu)
> {
> struct amu_cntr_sample *amu_sample;
> - unsigned int start_cpu = cpu;
> unsigned long last_update;
> unsigned int freq = 0;
> u64 scale;
> @@ -267,8 +266,7 @@ int arch_freq_get_on_cpu(int cpu)
>
>
> do {
> - ref_cpu = cpumask_next_wrap(ref_cpu, policy->cpus,
> - start_cpu, false);
> + ref_cpu = cpumask_next_wrap(ref_cpu, policy->cpus);
>
> } while (ref_cpu < nr_cpu_ids && idle_cpu(ref_cpu));
>
> --
> 2.45.2
>
> --
> Cheers,
> Stephen Rothwell