linux-kernel - Re: linux-next: build failure after merge of the kvm-arm tree

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Message-ID: <Z9wZm388iYM0Cnrd@linux.dev>
Date: Thu, 20 Mar 2025 06:35:23 -0700
From: Oliver Upton <oliver.upton@...ux.dev>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Christoffer Dall <cdall@...columbia.edu>, Marc Zyngier <maz@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the kvm-arm tree

Hi,

On Thu, Mar 20, 2025 at 08:32:03PM +1100, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the kvm-arm tree, today's linux-next build (arm64 defconfig)
> failed like this:
> 
> arch/arm64/kernel/cpu_errata.c: In function 'has_impdef_pmuv3':
> arch/arm64/kernel/cpu_errata.c:279:38: error: passing argument 1 of 'is_midr_in_range_list' makes pointer from integer without a cast [-Wint-conversion]
>   279 |         return is_midr_in_range_list(read_cpuid_id(), impdef_pmuv3_cpus);
>       |                                      ^~~~~~~~~~~~~~~
>       |                                      |
>       |                                      u32 {aka unsigned int}
> arch/arm64/kernel/cpu_errata.c:47:53: note: expected 'const struct midr_range *' but argument is of type 'u32' {aka 'unsigned int'}
>    47 | bool is_midr_in_range_list(struct midr_range const *ranges)
>       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
> arch/arm64/kernel/cpu_errata.c:279:16: error: too many arguments to function 'is_midr_in_range_list'
>   279 |         return is_midr_in_range_list(read_cpuid_id(), impdef_pmuv3_cpus);
>       |                ^~~~~~~~~~~~~~~~~~~~~
> arch/arm64/kernel/cpu_errata.c:47:6: note: declared here
>    47 | bool is_midr_in_range_list(struct midr_range const *ranges)
>       |      ^~~~~~~~~~~~~~~~~~~~~
> 
> Caused by commit
> 
>   1f561ad4b8f5 ("Merge branch 'kvm-arm64/pv-cpuid' into new-next")
> 
> The merge missed fixing up this instance from commit
> 
>   e1231aacb065 ("arm64: Enable IMP DEF PMUv3 traps on Apple M*")
> 
> I have applied the following patch for today (but this should go into
> the kvm-arm tree (perhaps squashed into the above merge).

Thanks Stephen for the fix. Looks like I forgot to push /next when I
pushed out the tag, addressing now.

Thanks,
Oliver