From: Marc Zyngier <marc.zyngier@arm.com>
To: Julien Thierry <julien.thierry@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <daniel.thompson@linaro.org>,
<joel@joelfernandes.org>, <christoffer.dall@arm.com>,
<james.morse@arm.com>, <catalin.marinas@arm.com>,
<will.deacon@arm.com>, <mark.rutland@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>
Subject: Re: [PATCH v9 03/26] arm64: cpufeature: Set SYSREG_GIC_CPUIF as a boot system feature
Date: Mon, 28 Jan 2019 09:22:53 +0000 [thread overview]
Message-ID: <86k1ipw2z6.wl-marc.zyngier@arm.com> (raw)
In-Reply-To: <1548084825-8803-4-git-send-email-julien.thierry@arm.com>
On Mon, 21 Jan 2019 15:33:22 +0000,
Julien Thierry <julien.thierry@arm.com> wrote:
>
> It is not supported to have some CPUs using GICv3 sysreg CPU interface
> while some others do not.
>
> Once ICC_SRE_EL1.SRE is set on a CPU, the bit cannot be cleared. Since
> matching this feature require setting ICC_SRE_EL1.SRE, it cannot be
> turned off if found on a CPU.
>
> Set the feature as STRICT_BOOT, if boot CPU has it, all other CPUs are
> required to have it.
>
> Signed-off-by: Julien Thierry <julien.thierry@arm.com>
> Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> Reviewed-by: Mark Rutland <mark.rutland@arm.com>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
M.
--
Jazz is not dead, it just smell funny.
WARNING: multiple messages have this Message-ID (diff)
From: Marc Zyngier <marc.zyngier@arm.com>
To: Julien Thierry <julien.thierry@arm.com>
Cc: mark.rutland@arm.com, daniel.thompson@linaro.org,
Suzuki K Poulose <suzuki.poulose@arm.com>,
catalin.marinas@arm.com, will.deacon@arm.com,
linux-kernel@vger.kernel.org, christoffer.dall@arm.com,
james.morse@arm.com, joel@joelfernandes.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v9 03/26] arm64: cpufeature: Set SYSREG_GIC_CPUIF as a boot system feature
Date: Mon, 28 Jan 2019 09:22:53 +0000 [thread overview]
Message-ID: <86k1ipw2z6.wl-marc.zyngier@arm.com> (raw)
In-Reply-To: <1548084825-8803-4-git-send-email-julien.thierry@arm.com>
On Mon, 21 Jan 2019 15:33:22 +0000,
Julien Thierry <julien.thierry@arm.com> wrote:
>
> It is not supported to have some CPUs using GICv3 sysreg CPU interface
> while some others do not.
>
> Once ICC_SRE_EL1.SRE is set on a CPU, the bit cannot be cleared. Since
> matching this feature require setting ICC_SRE_EL1.SRE, it cannot be
> turned off if found on a CPU.
>
> Set the feature as STRICT_BOOT, if boot CPU has it, all other CPUs are
> required to have it.
>
> Signed-off-by: Julien Thierry <julien.thierry@arm.com>
> Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
> Reviewed-by: Mark Rutland <mark.rutland@arm.com>
> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
> Cc: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
M.
--
Jazz is not dead, it just smell funny.
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next prev parent reply other threads:[~2019-01-28 9:23 UTC|newest]
Thread overview: 166+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-21 15:33 [PATCH v9 00/26] arm64: provide pseudo NMI with GICv3 Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-21 15:33 ` [PATCH v9 01/26] arm64: Fix HCR.TGE status for NMI contexts Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-23 22:57 ` Sasha Levin
2019-01-23 22:57 ` Sasha Levin
2019-01-28 11:48 ` James Morse
2019-01-28 11:48 ` James Morse
2019-01-28 15:42 ` Julien Thierry
2019-01-28 15:42 ` Julien Thierry
2019-01-31 8:19 ` Christoffer Dall
2019-01-31 8:19 ` Christoffer Dall
2019-01-31 8:56 ` Julien Thierry
2019-01-31 8:56 ` Julien Thierry
2019-01-31 9:27 ` Christoffer Dall
2019-01-31 9:27 ` Christoffer Dall
2019-01-31 9:40 ` Julien Thierry
2019-01-31 9:40 ` Julien Thierry
2019-01-31 9:48 ` Christoffer Dall
2019-01-31 9:48 ` Christoffer Dall
2019-01-31 9:53 ` Marc Zyngier
2019-01-31 9:53 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 02/26] arm64: Remove unused daif related functions/macros Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:21 ` Marc Zyngier
2019-01-28 9:21 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 03/26] arm64: cpufeature: Set SYSREG_GIC_CPUIF as a boot system feature Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:22 ` Marc Zyngier [this message]
2019-01-28 9:22 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 04/26] arm64: cpufeature: Add cpufeature for IRQ priority masking Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:24 ` Marc Zyngier
2019-01-28 9:24 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 05/26] arm/arm64: gic-v3: Add PMR and RPR accessors Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:25 ` Marc Zyngier
2019-01-28 9:25 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 06/26] irqchip/gic-v3: Switch to PMR masking before calling IRQ handler Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:30 ` Marc Zyngier
2019-01-28 9:30 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 07/26] arm64: ptrace: Provide definitions for PMR values Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:37 ` Marc Zyngier
2019-01-28 9:37 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 08/26] arm64: Make PMR part of task context Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:42 ` Marc Zyngier
2019-01-28 9:42 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 09/26] arm64: Unmask PMR before going idle Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-22 15:23 ` Catalin Marinas
2019-01-22 15:23 ` Catalin Marinas
2019-01-22 20:18 ` Ard Biesheuvel
2019-01-22 20:18 ` Ard Biesheuvel
2019-01-23 8:56 ` Julien Thierry
2019-01-23 8:56 ` Julien Thierry
2019-01-23 9:38 ` Ard Biesheuvel
2019-01-23 9:38 ` Ard Biesheuvel
2019-01-28 9:44 ` Marc Zyngier
2019-01-28 9:44 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 10/26] arm64: kvm: Unmask PMR before entering guest Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 9:58 ` Marc Zyngier
2019-01-28 9:58 ` Marc Zyngier
2019-01-28 9:58 ` Marc Zyngier
2019-01-30 12:07 ` Christoffer Dall
2019-01-30 12:07 ` Christoffer Dall
2019-01-30 14:58 ` Julien Thierry
2019-01-30 14:58 ` Julien Thierry
2019-01-21 15:33 ` [PATCH v9 11/26] efi: Let architectures decide the flags that should be saved/restored Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-21 15:42 ` Ard Biesheuvel
2019-01-21 15:42 ` Ard Biesheuvel
2019-01-23 9:04 ` Julien Thierry
2019-01-23 9:04 ` Julien Thierry
2019-01-28 10:00 ` Marc Zyngier
2019-01-28 10:00 ` Marc Zyngier
2019-01-28 10:00 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 12/26] arm64: irqflags: Use ICC_PMR_EL1 for interrupt masking Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-21 15:45 ` Ard Biesheuvel
2019-01-21 15:45 ` Ard Biesheuvel
2019-01-21 18:05 ` Julien Thierry
2019-01-21 18:05 ` Julien Thierry
2019-01-22 15:21 ` Catalin Marinas
2019-01-22 15:21 ` Catalin Marinas
2019-01-23 10:44 ` Julien Thierry
2019-01-23 10:44 ` Julien Thierry
2019-01-30 11:52 ` Julien Thierry
2019-01-30 11:52 ` Julien Thierry
2019-01-21 15:33 ` [PATCH v9 13/26] arm64: daifflags: Include PMR in daifflags restore operations Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 10:37 ` Marc Zyngier
2019-01-28 10:37 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 14/26] arm64: alternative: Allow alternative status checking per cpufeature Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 11:00 ` Marc Zyngier
2019-01-28 11:00 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 15/26] arm64: alternative: Apply alternatives early in boot process Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 11:17 ` Marc Zyngier
2019-01-28 11:17 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 16/26] irqchip/gic-v3: Factor group0 detection into functions Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 11:19 ` Marc Zyngier
2019-01-28 11:19 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 17/26] arm64: Switch to PMR masking when starting CPUs Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 11:21 ` Marc Zyngier
2019-01-28 11:21 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 18/26] arm64: gic-v3: Implement arch support for priority masking Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 11:23 ` Marc Zyngier
2019-01-28 11:23 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 19/26] irqchip/gic-v3: Detect if GIC can support pseudo-NMIs Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 11:39 ` Marc Zyngier
2019-01-28 11:39 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 20/26] irqchip/gic-v3: Handle pseudo-NMIs Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 11:59 ` Marc Zyngier
2019-01-28 11:59 ` Marc Zyngier
2019-01-29 11:33 ` Julien Thierry
2019-01-29 11:33 ` Julien Thierry
2019-01-29 12:31 ` Marc Zyngier
2019-01-29 12:31 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 21/26] irqchip/gic: Add functions to access irq priorities Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 12:04 ` Marc Zyngier
2019-01-28 12:04 ` Marc Zyngier
2019-01-29 11:36 ` Julien Thierry
2019-01-29 11:36 ` Julien Thierry
2019-01-21 15:33 ` [PATCH v9 22/26] irqchip/gic-v3: Allow interrupts to be set as pseudo-NMI Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-26 10:19 ` liwei (GF)
2019-01-26 10:19 ` liwei (GF)
2019-01-26 10:41 ` Marc Zyngier
2019-01-26 10:41 ` Marc Zyngier
2019-01-28 8:57 ` Julien Thierry
2019-01-28 8:57 ` Julien Thierry
2019-01-28 13:59 ` liwei (GF)
2019-01-28 13:59 ` liwei (GF)
2019-01-28 14:49 ` Julien Thierry
2019-01-28 14:49 ` Julien Thierry
2019-01-28 12:08 ` Marc Zyngier
2019-01-28 12:08 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 23/26] arm64: Handle serror in NMI context Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 12:26 ` Marc Zyngier
2019-01-28 12:26 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 24/26] arm64: Skip preemption when exiting an NMI Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 12:34 ` Marc Zyngier
2019-01-28 12:34 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 25/26] arm64: Skip irqflags tracing for NMI in IRQs disabled context Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 12:40 ` Marc Zyngier
2019-01-28 12:40 ` Marc Zyngier
2019-01-21 15:33 ` [PATCH v9 26/26] arm64: Enable the support of pseudo-NMIs Julien Thierry
2019-01-21 15:33 ` Julien Thierry
2019-01-28 12:47 ` Marc Zyngier
2019-01-28 12:47 ` Marc Zyngier
2019-01-30 13:46 ` Julien Thierry
2019-01-30 13:46 ` Julien Thierry
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