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Subject: Re: [PATCH] evh_bytechan: fix out of bounds accesses
To: Laurentiu Tudor <laurentiu.tudor@nxp.com>,
 Michael Ellerman <mpe@ellerman.id.au>,
 Stephen Rothwell <sfr@canb.auug.org.au>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jiri Slaby
 <jslaby@suse.com>, Scott Wood <swood@redhat.com>, York Sun
 <york.sun@nxp.com>, "b08248@gmail.com" <b08248@gmail.com>
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 <8736cj8rvr.fsf@mpe.ellerman.id.au>
 <5f17b997-8a6c-841e-8868-c0877750e598@kernel.org>
 <47d31d84-78ed-fd90-f3d9-8ce968126497@nxp.com>
From: Timur Tabi <timur@kernel.org>
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Date: Mon, 13 Jan 2020 09:48:12 -0600
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On 1/13/20 8:34 AM, Laurentiu Tudor wrote:
> There are a few users that I know of, but I can't tell if that's enough
> to justify keeping the driver.
> 
> [1]https://source.codeaurora.org/external/qoriq/qoriq-yocto-sdk/hypervisor/

IIRC, the driver is the only reasonable way to get a serial console from 
a guest.  So if there are users of the hypervisor, then I think there's 
a good chance at least one is using the byte channel driver.