[PATCH 2/3] RISC-V: paravirt: Use correct restricted types

Atish Patra atishp at atishpatra.org
Wed Jan 31 11:45:10 PST 2024


On Wed, Jan 31, 2024 at 4:05 AM Andrew Jones <ajones at ventanamicro.com> wrote:
>
> __le32 and __le64 types should be used with le32_to_cpu() and
> le64_to_cpu(), as sparse helpfully points out.
>
> Fixes: fdf68acccfc6 ("RISC-V: paravirt: Implement steal-time support")
> Reported-by: kernel test robot <lkp at intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202401011933.hL9zqmKo-lkp@intel.com/
> Signed-off-by: Andrew Jones <ajones at ventanamicro.com>
> ---
>  arch/riscv/kernel/paravirt.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/riscv/kernel/paravirt.c b/arch/riscv/kernel/paravirt.c
> index 15c5d4048db5..0d6225fd3194 100644
> --- a/arch/riscv/kernel/paravirt.c
> +++ b/arch/riscv/kernel/paravirt.c
> @@ -91,8 +91,8 @@ static int pv_time_cpu_down_prepare(unsigned int cpu)
>  static u64 pv_time_steal_clock(int cpu)
>  {
>         struct sbi_sta_struct *st = per_cpu_ptr(&steal_time, cpu);
> -       u32 sequence;
> -       u64 steal;
> +       __le32 sequence;
> +       __le64 steal;
>
>         /*
>          * Check the sequence field before and after reading the steal
> --
> 2.43.0
>

Reviewed-by: Atish Patra <atishp at rivosinc.com>

-- 
Regards,
Atish



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