linux-kernel - Re: [PATCH] nvme: change nvme_passthru

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Message-ID: <CANSCoS_GtDm2=FR8grhWHwm5-Aqvqb=4u+z=auY4e1y5eS3Q2w@mail.gmail.com>
Date:   Thu, 31 Oct 2019 08:39:05 -0700
From:   Charles Machalow <csm10495@...il.com>
To:     Christoph Hellwig <hch@....de>
Cc:     linux-nvme@...ts.infradead.org, marta.rybczynska@...ray.eu,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Sagi Grimberg <sagi@...mberg.me>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme: change nvme_passthru_cmd64's result field.

On Thu, Oct 31, 2019 at 6:59 AM Christoph Hellwig <hch@....de> wrote:
> You might like the idea, but it fundamentally is a bad idea.  For example
> you completely break architectures that do not support unaligned loads
> and stores.

Would you also be against the idea of memcpy the u32 array into a u64 then
passing a pointer to that local variable lower?

- Charlie Scott Machalow