From: Christoph Hellwig <hch@infradead.org>
To: guoren@kernel.org
Cc: palmer@rivosinc.com, linux-riscv@lists.infradead.org,
Guo Ren <guoren@linux.alibaba.com>
Subject: Re: [RFC PATCH 0/4] Proof of concept for rv32 svpbmt support
Date: Tue, 5 Jul 2022 10:22:30 -0700 [thread overview]
Message-ID: <YsRzVoWOdGqSOZ+q@infradead.org> (raw)
In-Reply-To: <20220705100523.1204595-1-guoren@kernel.org>
On Tue, Jul 05, 2022 at 06:05:19AM -0400, guoren@kernel.org wrote:
> From: Guo Ren <guoren@linux.alibaba.com>
>
> Make rv32 support svpbmt & napot by reducing the PPN witdth (sv32p34 ->
> sv32p31).
Yeah, the lack of rv32 in svpbmt was a very odd choice, given that
non-coherent DMA is most common in crappy low end devices.
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prev parent reply other threads:[~2022-07-05 17:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 10:05 [RFC PATCH 0/4] Proof of concept for rv32 svpbmt support guoren
2022-07-05 10:05 ` [RFC PATCH 1/4] riscv: Optimize satp_mode data type guoren
2022-07-05 17:26 ` Christoph Hellwig
2022-07-05 23:45 ` Guo Ren
2022-07-05 10:05 ` [RFC PATCH 2/4] riscv: Cleanup ERRATA_THEAD_PBMT for rv32 svpbmt compile guoren
2022-07-08 8:50 ` Heiko Stübner
2022-07-09 16:24 ` Guo Ren
2022-07-10 2:25 ` Guo Ren
2022-07-05 10:05 ` [RFC PATCH 3/4] riscv: pgtable: Move svpbmt into the common pgtable-bits.h guoren
2022-07-08 6:10 ` Guo Ren
2022-07-08 9:03 ` Heiko Stübner
2022-07-08 9:49 ` Guo Ren
2022-07-05 10:05 ` [RFC PATCH 4/4] riscv: Change rv32p34 to rv32p31 for svpbmt guoren
2022-07-05 17:22 ` Christoph Hellwig [this message]
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