linux-kernel - Re: [PATCH v3 5/9] KVM: riscv: selftests: Switch to use macro from csr.h

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Date:   Fri, 15 Sep 2023 14:13:13 +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>,
        Sean Christopherson <seanjc@...gle.com>,
        Ricardo Koller <ricarkol@...gle.com>,
        Vishal Annapurve <vannapurve@...gle.com>,
        Peter Xu <peterx@...hat.com>,
        Vipin Sharma <vipinsh@...gle.com>,
        David Matlack <dmatlack@...gle.com>,
        Colton Lewis <coltonlewis@...gle.com>,
        Aaron Lewis <aaronlewis@...gle.com>,
        Thomas Huth <thuth@...hat.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 v3 5/9] KVM: riscv: selftests: Switch to use macro from csr.h

On Thu, Sep 14, 2023 at 4:52 PM Andrew Jones <ajones@...tanamicro.com> wrote:
>
> On Thu, Sep 14, 2023 at 09:36:59AM +0800, Haibo Xu wrote:
> > Signed-off-by: Haibo Xu <haibo1.xu@...el.com>
> > ---
> >  tools/testing/selftests/kvm/include/riscv/processor.h | 8 +-------
> >  1 file changed, 1 insertion(+), 7 deletions(-)
> >
> > diff --git a/tools/testing/selftests/kvm/include/riscv/processor.h b/tools/testing/selftests/kvm/include/riscv/processor.h
> > index 5b62a3d2aa9b..67766baed4f7 100644
> > --- a/tools/testing/selftests/kvm/include/riscv/processor.h
> > +++ b/tools/testing/selftests/kvm/include/riscv/processor.h
> > @@ -8,6 +8,7 @@
> >  #define SELFTEST_KVM_PROCESSOR_H
> >
> >  #include "kvm_util.h"
> > +#include <asm/csr.h>
> >  #include <linux/stringify.h>
>
> nit: Usually we try to keep the order of our includes separated into five
> categories, listed below, where each category is sorted alphabetically. Of
> course any dependencies the includes have on each other need to be
> considered too.
>
> <library-includes-without-a-subdir>
> <library-includes-with-subdir>
> <linux/...>
> <asm/...>
> "local-includes"
>

It's very helpful. Thanks for sharing it!
Will fix it in v4.

> >
> >  static inline uint64_t __kvm_reg_id(uint64_t type, uint64_t idx,
> > @@ -95,13 +96,6 @@ static inline uint64_t __kvm_reg_id(uint64_t type, uint64_t idx,
> >  #define PGTBL_PAGE_SIZE                              PGTBL_L0_BLOCK_SIZE
> >  #define PGTBL_PAGE_SIZE_SHIFT                        PGTBL_L0_BLOCK_SHIFT
> >
> > -#define SATP_PPN                             _AC(0x00000FFFFFFFFFFF, UL)
> > -#define SATP_MODE_39                         _AC(0x8000000000000000, UL)
> > -#define SATP_MODE_48                         _AC(0x9000000000000000, UL)
> > -#define SATP_ASID_BITS                               16
> > -#define SATP_ASID_SHIFT                              44
> > -#define SATP_ASID_MASK                               _AC(0xFFFF, UL)
> > -
> >  #define SBI_EXT_EXPERIMENTAL_START           0x08000000
> >  #define SBI_EXT_EXPERIMENTAL_END             0x08FFFFFF
> >
> > --
> > 2.34.1
> >
>
> Assuming the CONFIG_64BIT patch will come before this, then
>
> Reviewed-by: Andrew Jones <ajones@...tanamicro.com>
>
> Thanks,
> drew