linux-kernel - Re: [RFC PATCH 1/3] MIPS: Retire kvm paravirt

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Message-ID: <20200724091123.GB14059@alpha.franken.de>
Date:   Fri, 24 Jul 2020 11:11:23 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Jiaxun Yang <jiaxun.yang@...goat.com>
Cc:     linux-mips@...r.kernel.org, Michal Simek <michal.simek@...inx.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Waiman Long <longman@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Lobakin <alobakin@...me>,
        Jason Wang <jasowang@...hat.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Huacai Chen <chenhc@...ote.com>,
        Aleksandar Markovic <aleksandar.qemu.devel@...il.com>,
        Paul Burton <paulburton@...nel.org>,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [RFC PATCH 1/3] MIPS: Retire kvm paravirt

On Fri, Jul 10, 2020 at 02:30:16PM +0800, Jiaxun Yang wrote:
> paravirt machine was introduced for Cavium's partial virtualization
> technology, however, it's host side support and QEMU support never
> landed in upstream.
> 
> As Cavium was acquired by Marvel and they have no intention to maintain
> their MIPS product line, also paravirt is unlikely to be utilized by
> community users, it's time to retire it if nobody steps in to maintain
> it.
> 
> Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
> ---
>  arch/mips/Kbuild.platforms                |   1 -
>  arch/mips/Kconfig                         |  19 --
>  arch/mips/configs/mips_paravirt_defconfig |  98 ------
>  arch/mips/include/asm/Kbuild              |   1 +
>  arch/mips/include/asm/kvm_para.h          | 115 -------
>  arch/mips/include/uapi/asm/Kbuild         |   2 +
>  arch/mips/include/uapi/asm/kvm_para.h     |   5 -
>  arch/mips/paravirt/Kconfig                |   7 -
>  arch/mips/paravirt/Makefile               |  14 -
>  arch/mips/paravirt/Platform               |   7 -
>  arch/mips/paravirt/paravirt-irq.c         | 368 ----------------------
>  arch/mips/paravirt/paravirt-smp.c         | 145 ---------
>  arch/mips/paravirt/serial.c               |  39 ---
>  arch/mips/paravirt/setup.c                |  67 ----
>  arch/mips/pci/Makefile                    |   1 -
>  arch/mips/pci/pci-virtio-guest.c          | 131 --------
>  16 files changed, 3 insertions(+), 1017 deletions(-)
>  delete mode 100644 arch/mips/configs/mips_paravirt_defconfig
>  delete mode 100644 arch/mips/include/asm/kvm_para.h
>  delete mode 100644 arch/mips/include/uapi/asm/kvm_para.h
>  delete mode 100644 arch/mips/paravirt/Kconfig
>  delete mode 100644 arch/mips/paravirt/Makefile
>  delete mode 100644 arch/mips/paravirt/Platform
>  delete mode 100644 arch/mips/paravirt/paravirt-irq.c
>  delete mode 100644 arch/mips/paravirt/paravirt-smp.c
>  delete mode 100644 arch/mips/paravirt/serial.c
>  delete mode 100644 arch/mips/paravirt/setup.c
>  delete mode 100644 arch/mips/pci/pci-virtio-guest.c

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]