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    SubjectRe: [PATCH v2 2/6] RISC-V: Initialize SBI early
    On Mon, Oct 26, 2020 at 04:02:50PM -0700, Atish Patra wrote:
    > Currently, SBI is initialized towards the end of arch setup. This prevents
    > the set memory operations to be invoked earlier as it requires a full tlb
    > flush.
    >
    > Initialize SBI as early as possible.
    >
    > Signed-off-by: Atish Patra <atish.patra@wdc.com>
    > ---
    > arch/riscv/kernel/setup.c | 7 +++----
    > 1 file changed, 3 insertions(+), 4 deletions(-)
    >
    > diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
    > index c424cc6dd833..7d6a04ae3929 100644
    > --- a/arch/riscv/kernel/setup.c
    > +++ b/arch/riscv/kernel/setup.c
    > @@ -89,6 +89,9 @@ void __init setup_arch(char **cmdline_p)
    > pr_err("No DTB found in kernel mappings\n");
    > #endif
    >
    > +#if IS_ENABLED(CONFIG_RISCV_SBI)

    Maybe
    if (IS_ENABLED(CONFIG_RISCV_SBI))
    sbi_init()

    > + sbi_init();
    > +#endif
    > #ifdef CONFIG_SWIOTLB
    > swiotlb_init(1);
    > #endif
    > @@ -97,10 +100,6 @@ void __init setup_arch(char **cmdline_p)
    > kasan_init();
    > #endif
    >
    > -#if IS_ENABLED(CONFIG_RISCV_SBI)
    > - sbi_init();
    > -#endif
    > -
    > #ifdef CONFIG_SMP
    > setup_smp();
    > #endif
    > --
    > 2.25.1
    >

    --
    Sincerely yours,
    Mike.

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