linux-kernel - Re: [PATCH] Documentation: move Documentation/virtual to Documentation/virt

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Message-ID: <20190729075554.46dfaaeb@lwn.net>
Date:   Mon, 29 Jul 2019 07:55:54 -0600
From:   Jonathan Corbet <corbet@....net>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Christoph Hellwig <hch@....de>, rkrcmar@...hat.com,
        jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
        linux-doc@...r.kernel.org, kvm@...r.kernel.org,
        linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Documentation: move Documentation/virtual to
 Documentation/virt

On Sat, 27 Jul 2019 00:10:32 +0200
Paolo Bonzini <pbonzini@...hat.com> wrote:

> Does the userspace API
> cover only syscall or perhaps sysfs interfaces?   There are more API
> files (amd-memory-encryption.txt, cpuid.txt, halt-polling.txt msr.txt,
> ppc-pv.txt, s390-diag.txt) but, with the exception of
> amd-memory-encryption.txt and halt-polling.txt, they cover the
> emulated-hardware interfaces that KVM provides to virtual machines.

The user-space API certainly goes beyond system calls.  For sysfs, I
guess, the question would be whether a given knob is something that an
application would use (userspace-api) or something that a sysadmin would
want to tweak (admin-guide).

Thanks,

jon