linux-kernel - Re: [PATCH v7 15/15] KVM: arm64: selftests: arch

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Date:   Thu, 30 Sep 2021 17:41:00 +0800
From:   Zenghui Yu <yuzenghui@...wei.com>
To:     Raghavendra Rao Ananta <rananta@...gle.com>
CC:     Paolo Bonzini <pbonzini@...hat.com>, Marc Zyngier <maz@...nel.org>,
        "Andrew Jones" <drjones@...hat.com>,
        James Morse <james.morse@....com>,
        "Alexandru Elisei" <alexandru.elisei@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        <kvm@...r.kernel.org>, Catalin Marinas <catalin.marinas@....com>,
        Peter Shier <pshier@...gle.com>,
        <linux-kernel@...r.kernel.org>, Will Deacon <will@...nel.org>,
        <kvmarm@...ts.cs.columbia.edu>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v7 15/15] KVM: arm64: selftests: arch_timer: Support vCPU
 migration

On 2021/9/15 6:31, Raghavendra Rao Ananta wrote:
>  static void test_run(struct kvm_vm *vm)
>  {
>  	int i, ret;
> +	pthread_t pt_vcpu_migration;
> +
> +	pthread_mutex_init(&vcpu_done_map_lock, NULL);
> +	vcpu_done_map = bitmap_alloc(test_args.nr_vcpus);

This one fails to build.

aarch64/arch_timer.c: In function 'test_run':
aarch64/arch_timer.c:321:18: warning: implicit declaration of function 
'bitmap_alloc'; did you mean 'bitmap_zalloc'? 
[-Wimplicit-function-declaration]
   vcpu_done_map = bitmap_alloc(test_args.nr_vcpus);
                   ^~~~~~~~~~~~
                   bitmap_zalloc
aarch64/arch_timer.c:321:16: warning: assignment makes pointer from 
integer without a cast [-Wint-conversion]
   vcpu_done_map = bitmap_alloc(test_args.nr_vcpus);
                 ^