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From: Marc Zyngier <maz@kernel.org>
To: David Brazdil <dbrazdil@google.com>, kvmarm@lists.cs.columbia.edu
Cc: Will Deacon <will@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	Catalin Marinas <catalin.marinas@arm.com>,
	kernel-team@android.com,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>
Subject: Re: [PATCH] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
Date: Fri, 15 Jan 2021 11:33:40 +0000	[thread overview]
Message-ID: <161071039698.2624485.5615829758205647389.b4-ty@kernel.org> (raw)
In-Reply-To: <20201229160059.64135-1-dbrazdil@google.com>

On Tue, 29 Dec 2020 16:00:59 +0000, David Brazdil wrote:
> The KVM/arm64 PSCI relay assumes that SYSTEM_OFF and SYSTEM_RESET should
> not return, as dictated by the PSCI spec. However, there is firmware out
> there which breaks this assumption, leading to a hyp panic. Make KVM
> more robust to broken firmware by allowing these to return.

Applied to next, thanks!

[1/1] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
      commit: 2c91ef39216149df6703c3fa6a47dd9a1e6091c1

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.



WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: David Brazdil <dbrazdil@google.com>, kvmarm@lists.cs.columbia.edu
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Will Deacon <will@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>,
	kernel-team@android.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
Date: Fri, 15 Jan 2021 11:33:40 +0000	[thread overview]
Message-ID: <161071039698.2624485.5615829758205647389.b4-ty@kernel.org> (raw)
In-Reply-To: <20201229160059.64135-1-dbrazdil@google.com>

On Tue, 29 Dec 2020 16:00:59 +0000, David Brazdil wrote:
> The KVM/arm64 PSCI relay assumes that SYSTEM_OFF and SYSTEM_RESET should
> not return, as dictated by the PSCI spec. However, there is firmware out
> there which breaks this assumption, leading to a hyp panic. Make KVM
> more robust to broken firmware by allowing these to return.

Applied to next, thanks!

[1/1] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
      commit: 2c91ef39216149df6703c3fa6a47dd9a1e6091c1

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.


_______________________________________________
kvmarm mailing list
kvmarm@lists.cs.columbia.edu
https://lists.cs.columbia.edu/mailman/listinfo/kvmarm

WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <maz@kernel.org>
To: David Brazdil <dbrazdil@google.com>, kvmarm@lists.cs.columbia.edu
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Will Deacon <will@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-kernel@vger.kernel.org, Sudeep Holla <sudeep.holla@arm.com>,
	kernel-team@android.com, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
Date: Fri, 15 Jan 2021 11:33:40 +0000	[thread overview]
Message-ID: <161071039698.2624485.5615829758205647389.b4-ty@kernel.org> (raw)
In-Reply-To: <20201229160059.64135-1-dbrazdil@google.com>

On Tue, 29 Dec 2020 16:00:59 +0000, David Brazdil wrote:
> The KVM/arm64 PSCI relay assumes that SYSTEM_OFF and SYSTEM_RESET should
> not return, as dictated by the PSCI spec. However, there is firmware out
> there which breaks this assumption, leading to a hyp panic. Make KVM
> more robust to broken firmware by allowing these to return.

Applied to next, thanks!

[1/1] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
      commit: 2c91ef39216149df6703c3fa6a47dd9a1e6091c1

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2021-01-15 11:34 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-29 16:00 [PATCH] KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return David Brazdil
2020-12-29 16:00 ` David Brazdil
2020-12-29 16:00 ` David Brazdil
2020-12-29 17:04 ` Russell King - ARM Linux admin
2020-12-29 17:04   ` Russell King - ARM Linux admin
2020-12-29 17:04   ` Russell King - ARM Linux admin
2020-12-30 10:06   ` Marc Zyngier
2020-12-30 10:06     ` Marc Zyngier
2020-12-30 10:06     ` Marc Zyngier
2020-12-29 17:16 ` Marc Zyngier
2020-12-29 17:16   ` Marc Zyngier
2020-12-29 17:16   ` Marc Zyngier
2020-12-30 11:03   ` David Brazdil
2020-12-30 11:03     ` David Brazdil
2020-12-30 11:03     ` David Brazdil
2021-01-15 11:33 ` Marc Zyngier [this message]
2021-01-15 11:33   ` Marc Zyngier
2021-01-15 11:33   ` Marc Zyngier

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