linux-kernel - Re: [PATCH] net: hyperv: select CONFIG

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Message-ID: <20230418205417.22bf3494@kernel.org>
Date:   Tue, 18 Apr 2023 20:54:17 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Arnd Bergmann <arnd@...nel.org>
Cc:     "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Saurabh Sengar <ssengar@...ux.microsoft.com>,
        Michael Kelley <mikelley@...rosoft.com>,
        Arnd Bergmann <arnd@...db.de>, linux-hyperv@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: hyperv: select CONFIG_NLS for mac address setting

On Mon, 17 Apr 2023 22:55:48 +0200 Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> A rare randconfig build error happens when this driver is
> enabled, but nothing else enables NLS support:
> 
> x86_64-linux-ld: drivers/net/hyperv/rndis_filter.o: in function `rndis_filter_set_device_mac':
> rndis_filter.c:(.text+0x1536): undefined reference to `utf8s_to_utf16s'
> 
> This is normally selected by PCI, USB, ACPI, or common file systems.
> Since the dependency on ACPI is now gone, NLS has to be selected
> here directly.
> 
> Fixes: 38299f300c12 ("Driver: VMBus: Add Devicetree support")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

I'm assuming Wei will take this since the offending commit doesn't
exist in netdev, yet:

Acked-by: Jakub Kicinski <kuba@...nel.org>