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Date:   Wed, 25 Oct 2023 23:18:40 +0200
From:   "Arnd Bergmann" <arnd@arndb.de>
To:     "Charlie Jenkins" <charlie@rivosinc.com>
Cc:     "Wang, Xiao W" <xiao.w.wang@intel.com>,
        Linux-Arch <linux-arch@vger.kernel.org>,
        "Albert Ou" <aou@eecs.berkeley.edu>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Conor Dooley" <conor@kernel.org>,
        "David Laight" <David.Laight@aculab.com>,
        "Palmer Dabbelt" <palmer@dabbelt.com>,
        "Paul Walmsley" <paul.walmsley@sifive.com>,
        "linux-riscv@lists.infradead.org" <linux-riscv@lists.infradead.org>
Subject: Re: [PATCH v7 2/4] riscv: Checksum header
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On Wed, Oct 25, 2023, at 23:11, Charlie Jenkins wrote:
>
> Thank you for pointing that out, I had not realized that macro existed.
> Since riscv keeps NET_IP_ALIGN at 0 it should be expected that
> ip_fast_csum is only called with 32-bit aligned addresses. I will update
> the comment and refer to that macro. riscv supports misaligned accesses
> but there are no guarantees of speed.

Just to clarify for your comment: riscv gets the default value of '2',
which is the one that makes the header aligned.

      Arnd