linux-kernel - Re: [PATCH] riscv: Select ARCH_HAS_DEBUG_VM

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Message-ID: <mhng-23ad157f-d2c5-4948-88dd-176b8be99cf1@palmerdabbelt-glaptop1>
Date:   Tue, 21 Jul 2020 21:46:28 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     kernel@...il.dk
CC:     linux-riscv@...ts.infradead.org, kernel@...il.dk,
        Paul Walmsley <paul.walmsley@...ive.com>,
        anshuman.khandual@....com, linux-kernel@...r.kernel.org
Subject:     Re: [PATCH] riscv: Select ARCH_HAS_DEBUG_VM_PGTABLE

On Tue, 14 Jul 2020 14:26:11 PDT (-0700), kernel@...il.dk wrote:
> This allows the pgtable tests to be built.
>
> Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
> ---
>
> The tests seem to succeed both in Qemu and on the HiFive Unleashed
>
> Both with and without the recent additions in
> https://lore.kernel.org/linux-riscv/1594610587-4172-1-git-send-email-anshuman.khandual@arm.com/
>
>  Documentation/features/debug/debug-vm-pgtable/arch-support.txt | 2 +-
>  arch/riscv/Kconfig                                             | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
> index c527d05c0459..c9a764c3c795 100644
> --- a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
> +++ b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
> @@ -23,7 +23,7 @@
>      |    openrisc: | TODO |
>      |      parisc: | TODO |
>      |     powerpc: |  ok  |
> -    |       riscv: | TODO |
> +    |       riscv: |  ok  |
>      |        s390: |  ok  |
>      |          sh: | TODO |
>      |       sparc: | TODO |
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 3230c1d48562..b4e674b1e857 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -15,6 +15,7 @@ config RISCV
>  	select ARCH_CLOCKSOURCE_INIT
>  	select ARCH_HAS_BINFMT_FLAT
>  	select ARCH_HAS_DEBUG_VIRTUAL if MMU
> +	select ARCH_HAS_DEBUG_VM_PGTABLE
>  	select ARCH_HAS_DEBUG_WX
>  	select ARCH_HAS_GCOV_PROFILE_ALL
>  	select ARCH_HAS_GIGANTIC_PAGE

This is on for-next.  Thanks!