Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-25 Thread Takashi Yoshi
Dear Arnd Please excuse my late response. On Sat, 22 Feb 2020 22:31:40 +0100 Arnd Bergmann wrote: > On Sat, Feb 22, 2020 at 3:40 PM Takashi Yoshi > wrote: > > On Monday, 10.02.2020, 14:13 + Marc Zyngier wrote: > > > KVM/arm was merged just over 7 years ago, and has lived a very > > >

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-22 Thread Arnd Bergmann
On Sat, Feb 22, 2020 at 3:40 PM Takashi Yoshi wrote: > On Monday, 10.02.2020, 14:13 + Marc Zyngier wrote: > > KVM/arm was merged just over 7 years ago, and has lived a very quiet > > life so far. It mostly works if you're prepared to deal with its > > limitations, it has been a good prototype

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-22 Thread Takashi Yoshi
Hi I found this mailing list thread and would like to express my opinion and dependence on KVM/arm32. I hope that I'm not too late already. On Monday, 10.02.2020, 14:13 + Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-22 Thread Takashi Yoshi
Hi I found this mailing list thread and would like to express my opinion and dependence on KVM/arm32. I hope that I'm not too late already. On Monday, 10.02.2020, 14:13 + Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Robin Murphy
On 20/02/2020 2:01 pm, Marc Zyngier wrote: On 2020-02-20 13:32, Robin Murphy wrote: On 20/02/2020 1:15 pm, Marc Zyngier wrote: Hi Marek, On 2020-02-20 12:44, Marek Szyprowski wrote: Hi Marc, On 10.02.2020 15:13, Marc Zyngier wrote: KVM/arm was merged just over 7 years ago, and has lived a

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Marc Zyngier
On 2020-02-20 13:32, Robin Murphy wrote: On 20/02/2020 1:15 pm, Marc Zyngier wrote: Hi Marek, On 2020-02-20 12:44, Marek Szyprowski wrote: Hi Marc, On 10.02.2020 15:13, Marc Zyngier wrote: KVM/arm was merged just over 7 years ago, and has lived a very quiet life so far. It mostly works if

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Robin Murphy
On 20/02/2020 1:15 pm, Marc Zyngier wrote: Hi Marek, On 2020-02-20 12:44, Marek Szyprowski wrote: Hi Marc, On 10.02.2020 15:13, Marc Zyngier wrote: KVM/arm was merged just over 7 years ago, and has lived a very quiet life so far. It mostly works if you're prepared to deal with its

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Paolo Bonzini
On 20/02/20 14:15, Marc Zyngier wrote: >> That is a bit sad information. Mainline Exynos finally got everything >> that was needed to run it on the quite popular Samsung Exynos5422-based >> Odroid XU4/HC1/MC1 boards. According to the Odroid related forums it is >> being used. We also use it

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Marc Zyngier
Hi Marek, On 2020-02-20 12:44, Marek Szyprowski wrote: Hi Marc, On 10.02.2020 15:13, Marc Zyngier wrote: KVM/arm was merged just over 7 years ago, and has lived a very quiet life so far. It mostly works if you're prepared to deal with its limitations, it has been a good prototype for the

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Marek Szyprowski
Hi Marc, On 10.02.2020 15:13, Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few problems: > > - It

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Marc Zyngier
On 2020-02-19 13:53, Stefan Agner wrote: On 2020-02-10 15:13, Marc Zyngier wrote: KVM/arm was merged just over 7 years ago, and has lived a very quiet life so far. It mostly works if you're prepared to deal with its limitations, it has been a good prototype for the arm64 version, but it suffers

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-20 Thread Marc Zyngier
On 2020-02-19 15:46, Jan Kiszka wrote: On 19.02.20 16:09, Arnd Bergmann wrote: On Mon, Feb 10, 2020 at 3:13 PM Marc Zyngier wrote: KVM/arm was merged just over 7 years ago, and has lived a very quiet life so far. It mostly works if you're prepared to deal with its limitations, it has been a

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-19 Thread Jan Kiszka
On 19.02.20 16:09, Arnd Bergmann wrote: On Mon, Feb 10, 2020 at 3:13 PM Marc Zyngier wrote: KVM/arm was merged just over 7 years ago, and has lived a very quiet life so far. It mostly works if you're prepared to deal with its limitations, it has been a good prototype for the arm64 version,

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-19 Thread Arnd Bergmann
On Mon, Feb 10, 2020 at 3:13 PM Marc Zyngier wrote: > > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few problems: > > -

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-19 Thread Christoffer Dall
On Mon, Feb 10, 2020 at 02:13:19PM +, Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-19 Thread Stefan Agner
On 2020-02-10 15:13, Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few problems: > > - It is

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-16 Thread Linus Walleij
On Mon, Feb 10, 2020 at 3:13 PM Marc Zyngier wrote: > it has been a good prototype for the arm64 version, > but it suffers a few problems: Wittgenstein wrote that sometimes an intellectual exercise work like such that you have to throw away the ladder after you climbed it. It often happens in

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-11 Thread Catalin Marinas
On Mon, Feb 10, 2020 at 02:13:19PM +, Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-11 Thread Vladimir Murzin
On 2/10/20 2:13 PM, Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few problems: > > - It is

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-10 Thread Russell King - ARM Linux admin
On Mon, Feb 10, 2020 at 04:25:23PM +, Russell King - ARM Linux admin wrote: > On Mon, Feb 10, 2020 at 02:13:19PM +, Marc Zyngier wrote: > > KVM/arm was merged just over 7 years ago, and has lived a very quiet > > life so far. It mostly works if you're prepared to deal with its > >

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-10 Thread Russell King - ARM Linux admin
On Mon, Feb 10, 2020 at 02:13:19PM +, Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-10 Thread Arnd Bergmann
On Mon, Feb 10, 2020 at 4:32 PM Olof Johansson wrote: > On Mon, Feb 10, 2020 at 3:13 PM Marc Zyngier wrote: > > > > KVM/arm was merged just over 7 years ago, and has lived a very quiet > > life so far. It mostly works if you're prepared to deal with its > > limitations, it has been a good

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-10 Thread Will Deacon
On Mon, Feb 10, 2020 at 02:13:19PM +, Marc Zyngier wrote: > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few

Re: [RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-10 Thread Olof Johansson
On Mon, Feb 10, 2020 at 3:13 PM Marc Zyngier wrote: > > KVM/arm was merged just over 7 years ago, and has lived a very quiet > life so far. It mostly works if you're prepared to deal with its > limitations, it has been a good prototype for the arm64 version, > but it suffers a few problems: > > -

[RFC PATCH 0/5] Removing support for 32bit KVM/arm host

2020-02-10 Thread Marc Zyngier
KVM/arm was merged just over 7 years ago, and has lived a very quiet life so far. It mostly works if you're prepared to deal with its limitations, it has been a good prototype for the arm64 version, but it suffers a few problems: - It is incomplete (no debug support, no PMU) - It hasn't followed