From: "Arnd Bergmann" <arnd@arndb.de>
To: "Jisheng Zhang" <jszhang@kernel.org>,
Prabhakar <prabhakar.csengg@gmail.com>
Cc: "Christoph Hellwig" <hch@lst.de>,
"Paul Walmsley" <paul.walmsley@sifive.com>,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Albert Ou" <aou@eecs.berkeley.edu>,
"Conor.Dooley" <conor.dooley@microchip.com>,
"Anup Patel" <apatel@ventanamicro.com>,
"Andrew Jones" <ajones@ventanamicro.com>,
linux-kernel@vger.kernel.org,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Samuel Holland" <samuel@sholland.org>,
linux-riscv@lists.infradead.org,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
"Lad, Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>,
"Palmer Dabbelt" <palmer@rivosinc.com>,
guoren <guoren@kernel.org>
Subject: Re: [PATCH v3 2/3] riscv: dma-mapping: skip invalidation before bidirectional DMA
Date: Sun, 27 Aug 2023 15:41:08 -0400 [thread overview]
Message-ID: <945c3c18-8295-4013-90a8-279b26d0b445@app.fastmail.com> (raw)
In-Reply-To: <ZOsj9HROczmyaS2L@xhacker>
On Sun, Aug 27, 2023, at 06:22, Jisheng Zhang wrote:
> On Thu, Aug 17, 2023 at 12:23:35AM +0100, Prabhakar wrote:
>
> The code could be simplified a lot since after this patch, the action
> is always "clean".
>
I think it's better to leave it at the elaborate version, as I still
want to merge my patch series to unify this with the other architectures,
and this would introduce a few compile-time conditionals in here.
Arnd
next prev parent reply other threads:[~2023-08-27 19:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-16 23:23 [PATCH v3 0/3] riscv: dma-mapping: unify support for cache flushes Prabhakar
2023-08-16 23:23 ` [PATCH v3 1/3] riscv: dma-mapping: only invalidate after DMA, not flush Prabhakar
2023-08-16 23:23 ` [PATCH v3 2/3] riscv: dma-mapping: skip invalidation before bidirectional DMA Prabhakar
2023-08-27 10:22 ` Jisheng Zhang
2023-08-27 19:41 ` Arnd Bergmann [this message]
2023-08-16 23:23 ` [PATCH v3 3/3] riscv: dma-mapping: switch over to generic implementation Prabhakar
2023-08-30 20:30 ` [PATCH v3 0/3] riscv: dma-mapping: unify support for cache flushes patchwork-bot+linux-riscv
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