From: Tony Lindgren <tony@atomide.com>
To: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: Marc Zyngier <marc.zyngier@arm.com>,
Florian Fainelli <f.fainelli@gmail.com>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 00/15] ARM Spectre variant 2 fixes
Date: Fri, 25 May 2018 09:25:34 -0700 [thread overview]
Message-ID: <20180525162534.GE98604@atomide.com> (raw)
In-Reply-To: <20180525135938.GE17671@n2100.armlinux.org.uk>
* Russell King - ARM Linux <linux@armlinux.org.uk> [180525 07:02]:
> Third version:
> - Remove "PSCI" from the SMC version of the workaround as well.
> - Avoid reporting active workaround if the IBE bit is not set.
> - Only probe for workaround_1 on Cortex A57 and A72, or non-ARM CPUs.
> - Require features probe for workaround_1 to return zero.
> - Validation that all CPUs in the system have the same workaround status.
> - Avoid corrupting r12 in workaround_1 KVM hypervisor implementation.
Looks good to me and things still work for me. I don't really
want to count that as Tested-by though :) But feel free to add:
Boot-tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 00/15] ARM Spectre variant 2 fixes
Date: Fri, 25 May 2018 09:25:34 -0700 [thread overview]
Message-ID: <20180525162534.GE98604@atomide.com> (raw)
In-Reply-To: <20180525135938.GE17671@n2100.armlinux.org.uk>
* Russell King - ARM Linux <linux@armlinux.org.uk> [180525 07:02]:
> Third version:
> - Remove "PSCI" from the SMC version of the workaround as well.
> - Avoid reporting active workaround if the IBE bit is not set.
> - Only probe for workaround_1 on Cortex A57 and A72, or non-ARM CPUs.
> - Require features probe for workaround_1 to return zero.
> - Validation that all CPUs in the system have the same workaround status.
> - Avoid corrupting r12 in workaround_1 KVM hypervisor implementation.
Looks good to me and things still work for me. I don't really
want to count that as Tested-by though :) But feel free to add:
Boot-tested-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
next prev parent reply other threads:[~2018-05-25 16:15 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-25 13:59 [PATCH v3 00/15] ARM Spectre variant 2 fixes Russell King - ARM Linux
2018-05-25 13:59 ` Russell King - ARM Linux
2018-05-25 14:00 ` [PATCH v3 01/15] ARM: add more CPU part numbers for Cortex and Brahma B15 CPUs Russell King
2018-05-25 14:00 ` Russell King
2018-05-25 14:00 ` [PATCH v3 02/15] ARM: bugs: prepare processor bug infrastructure Russell King
2018-05-25 14:00 ` Russell King
2018-05-25 14:00 ` [PATCH v3 03/15] ARM: bugs: hook processor bug checking into SMP and suspend paths Russell King
2018-05-25 14:00 ` Russell King
2018-05-25 14:00 ` [PATCH v3 04/15] ARM: bugs: add support for per-processor bug checking Russell King
2018-05-25 14:00 ` Russell King
2018-05-25 14:00 ` [PATCH v3 05/15] ARM: spectre: add Kconfig symbol for CPUs vulnerable to Spectre Russell King
2018-05-25 14:00 ` Russell King
2018-05-25 14:00 ` [PATCH v3 06/15] ARM: spectre-v2: harden branch predictor on context switches Russell King
2018-05-25 14:00 ` Russell King
2018-05-25 14:00 ` [PATCH v3 07/15] ARM: spectre-v2: add Cortex A8 and A15 validation of the IBE bit Russell King
2018-05-25 14:00 ` Russell King
2018-05-25 14:01 ` [PATCH v3 08/15] ARM: spectre-v2: harden user aborts in kernel space Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 15:47 ` Tony Lindgren
2018-05-25 15:47 ` Tony Lindgren
2018-05-25 15:52 ` Russell King - ARM Linux
2018-05-25 15:52 ` Russell King - ARM Linux
2018-05-25 16:01 ` Tony Lindgren
2018-05-25 16:01 ` Tony Lindgren
2018-05-25 16:15 ` Tony Lindgren
2018-05-25 16:15 ` Tony Lindgren
2018-05-25 14:01 ` [PATCH v3 09/15] ARM: spectre-v2: add firmware based hardening Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 14:01 ` [PATCH v3 10/15] ARM: spectre-v2: warn about incorrect context switching functions Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 14:01 ` [PATCH v3 11/15] ARM: KVM: invalidate BTB on guest exit for Cortex-A12/A17 Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 14:01 ` [PATCH v3 12/15] ARM: KVM: invalidate icache on guest exit for Cortex-A15 Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 14:01 ` [PATCH v3 13/15] ARM: spectre-v2: KVM: invalidate icache on guest exit for Brahma B15 Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 14:01 ` [PATCH v3 14/15] ARM: KVM: Add SMCCC_ARCH_WORKAROUND_1 fast handling Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 14:01 ` [PATCH v3 15/15] ARM: KVM: report support for SMCCC_ARCH_WORKAROUND_1 Russell King
2018-05-25 14:01 ` Russell King
2018-05-25 16:25 ` Tony Lindgren [this message]
2018-05-25 16:25 ` [PATCH v3 00/15] ARM Spectre variant 2 fixes Tony Lindgren
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