linux-kernel - Re: [PATCH v5 02/12] KVM: arm64: selftests: Data type cleanup for arch

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Date: Mon, 22 Jan 2024 21:08:16 +0800
From: Haibo Xu <xiaobo55x@...il.com>
To: Andrew Jones <ajones@...tanamicro.com>
Cc: Haibo Xu <haibo1.xu@...el.com>, Paul Walmsley <paul.walmsley@...ive.com>, 
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Paolo Bonzini <pbonzini@...hat.com>, Shuah Khan <shuah@...nel.org>, Marc Zyngier <maz@...nel.org>, 
	Oliver Upton <oliver.upton@...ux.dev>, James Morse <james.morse@....com>, 
	Suzuki K Poulose <suzuki.poulose@....com>, Zenghui Yu <yuzenghui@...wei.com>, 
	Anup Patel <anup@...infault.org>, Atish Patra <atishp@...shpatra.org>, Guo Ren <guoren@...nel.org>, 
	Conor Dooley <conor.dooley@...rochip.com>, Mayuresh Chitale <mchitale@...tanamicro.com>, 
	wchen <waylingii@...il.com>, Daniel Henrique Barboza <dbarboza@...tanamicro.com>, 
	Samuel Holland <samuel@...lland.org>, Jisheng Zhang <jszhang@...nel.org>, 
	Minda Chen <minda.chen@...rfivetech.com>, Sean Christopherson <seanjc@...gle.com>, 
	Peter Xu <peterx@...hat.com>, Like Xu <likexu@...cent.com>, 
	Vipin Sharma <vipinsh@...gle.com>, Aaron Lewis <aaronlewis@...gle.com>, 
	Thomas Huth <thuth@...hat.com>, Maciej Wieczor-Retman <maciej.wieczor-retman@...el.com>, 
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	kvm@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev, 
	kvm-riscv@...ts.infradead.org
Subject: Re: [PATCH v5 02/12] KVM: arm64: selftests: Data type cleanup for
 arch_timer test

On Mon, Jan 22, 2024 at 8:21 PM Andrew Jones <ajones@...tanamicro.com> wrote:
>
> On Mon, Jan 22, 2024 at 05:58:32PM +0800, Haibo Xu wrote:
> > Change signed type to unsigned in test_args struct which
> > only make sense for unsigned value.
> >
> > Suggested-by: Andrew Jones <ajones@...tanamicro.com>
> > Signed-off-by: Haibo Xu <haibo1.xu@...el.com>
> > ---
> >  tools/testing/selftests/kvm/aarch64/arch_timer.c | 12 ++++++------
> >  1 file changed, 6 insertions(+), 6 deletions(-)
> >
> > diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
> > index 274b8465b42a..3260fefcc1b3 100644
> > --- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
> > +++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c
> > @@ -42,10 +42,10 @@
> >  #define TIMER_TEST_MIGRATION_FREQ_MS 2
> >
> >  struct test_args {
> > -     int nr_vcpus;
> > -     int nr_iter;
> > -     int timer_period_ms;
> > -     int migration_freq_ms;
> > +     uint32_t nr_vcpus;
> > +     uint32_t nr_iter;
> > +     uint32_t timer_period_ms;
> > +     uint32_t migration_freq_ms;
> >       struct kvm_arm_counter_offset offset;
> >  };
> >
> > @@ -57,7 +57,7 @@ static struct test_args test_args = {
> >       .offset = { .reserved = 1 },
> >  };
> >
> > -#define msecs_to_usecs(msec)         ((msec) * 1000LL)
> > +#define msecs_to_usecs(msec)         ((msec) * 1000ULL)
> >
> >  #define GICD_BASE_GPA                        0x8000000ULL
> >  #define GICR_BASE_GPA                        0x80A0000ULL
> > @@ -72,7 +72,7 @@ enum guest_stage {
> >
> >  /* Shared variables between host and guest */
> >  struct test_vcpu_shared_data {
> > -     int nr_iter;
> > +     uint32_t nr_iter;
> >       enum guest_stage guest_stage;
> >       uint64_t xcnt;
> >  };
> > --
> > 2.34.1
> >
>
> Reviewed-by: Andrew Jones <ajones@...tanamicro.com>

Thanks!