From: Catalin Marinas <catalin.marinas@arm.com>
To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
Cc: Will Deacon <will@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"kernel-team@android.com" <kernel-team@android.com>,
Marc Zyngier <maz@kernel.org>,
Jade Alglave <jade.alglave@arm.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
Jonathan Cameron <jonathan.cameron@huawei.com>
Subject: Re: [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation
Date: Fri, 10 Sep 2021 10:45:42 +0100 [thread overview]
Message-ID: <YTspRlASNfGWTdss@arm.com> (raw)
In-Reply-To: <753ff5ea79d54db0af83d195adcfa2b1@huawei.com>
On Fri, Sep 10, 2021 at 09:06:31AM +0000, Shameerali Kolothum Thodi wrote:
> > [2] https://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/kernel-tla.git/commit/
>
> I am going through the ASID TLA+ model and in the above commit, it appears that the
> different ASID check(=> ActiveAsid(c1) # ActiveAsid(c2)) for the Invariant
> UniqueASIDActiveTask is now removed.
>
> Just wondering why that is not relevant anymore?
It's still relevant. I probably deleted it by mistake, I'll add it back
now. Thanks for carefully looking at this commit.
--
Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
Cc: "linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
Will Deacon <will@kernel.org>,
Jonathan Cameron <jonathan.cameron@huawei.com>,
Marc Zyngier <maz@kernel.org>,
"kernel-team@android.com" <kernel-team@android.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Jade Alglave <jade.alglave@arm.com>
Subject: Re: [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation
Date: Fri, 10 Sep 2021 10:45:42 +0100 [thread overview]
Message-ID: <YTspRlASNfGWTdss@arm.com> (raw)
In-Reply-To: <753ff5ea79d54db0af83d195adcfa2b1@huawei.com>
On Fri, Sep 10, 2021 at 09:06:31AM +0000, Shameerali Kolothum Thodi wrote:
> > [2] https://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/kernel-tla.git/commit/
>
> I am going through the ASID TLA+ model and in the above commit, it appears that the
> different ASID check(=> ActiveAsid(c1) # ActiveAsid(c2)) for the Invariant
> UniqueASIDActiveTask is now removed.
>
> Just wondering why that is not relevant anymore?
It's still relevant. I probably deleted it by mistake, I'll add it back
now. Thanks for carefully looking at this commit.
--
Catalin
_______________________________________________
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: Catalin Marinas <catalin.marinas@arm.com>
To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com>
Cc: Will Deacon <will@kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"kernel-team@android.com" <kernel-team@android.com>,
Marc Zyngier <maz@kernel.org>,
Jade Alglave <jade.alglave@arm.com>,
"kvmarm@lists.cs.columbia.edu" <kvmarm@lists.cs.columbia.edu>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
Jonathan Cameron <jonathan.cameron@huawei.com>
Subject: Re: [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation
Date: Fri, 10 Sep 2021 10:45:42 +0100 [thread overview]
Message-ID: <YTspRlASNfGWTdss@arm.com> (raw)
In-Reply-To: <753ff5ea79d54db0af83d195adcfa2b1@huawei.com>
On Fri, Sep 10, 2021 at 09:06:31AM +0000, Shameerali Kolothum Thodi wrote:
> > [2] https://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/kernel-tla.git/commit/
>
> I am going through the ASID TLA+ model and in the above commit, it appears that the
> different ASID check(=> ActiveAsid(c1) # ActiveAsid(c2)) for the Invariant
> UniqueASIDActiveTask is now removed.
>
> Just wondering why that is not relevant anymore?
It's still relevant. I probably deleted it by mistake, I'll add it back
now. Thanks for carefully looking at this commit.
--
Catalin
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-09-10 9:45 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-06 11:31 [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` [PATCH 1/4] arm64: mm: Fix TLBI vs ASID rollover Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:59 ` Catalin Marinas
2021-08-06 11:59 ` Catalin Marinas
2021-08-06 11:59 ` Catalin Marinas
2021-08-06 12:42 ` Will Deacon
2021-08-06 12:42 ` Will Deacon
2021-08-06 12:42 ` Will Deacon
2021-08-06 12:49 ` Catalin Marinas
2021-08-06 12:49 ` Catalin Marinas
2021-08-06 12:49 ` Catalin Marinas
2021-08-06 11:31 ` [PATCH] of: restricted dma: Don't fail device probe on rmem init failure Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:34 ` Will Deacon
2021-08-06 11:34 ` Will Deacon
2021-08-06 11:34 ` Will Deacon
2021-08-06 11:31 ` [PATCH 2/4] KVM: arm64: Move kern_hyp_va() usage in __load_guest_stage2() into the callers Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` [PATCH 3/4] KVM: arm64: Convert the host S2 over to __load_guest_stage2() Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 13:40 ` Quentin Perret
2021-08-06 13:40 ` Quentin Perret
2021-08-06 13:40 ` Quentin Perret
2021-08-20 8:01 ` Marc Zyngier
2021-08-20 8:01 ` Marc Zyngier
2021-08-20 8:01 ` Marc Zyngier
2021-08-20 9:08 ` Quentin Perret
2021-08-20 9:08 ` Quentin Perret
2021-08-20 9:08 ` Quentin Perret
2021-08-06 11:31 ` [PATCH 4/4] KVM: arm64: Upgrade VMID accesses to {READ,WRITE}_ONCE Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 11:31 ` Will Deacon
2021-08-06 14:24 ` Quentin Perret
2021-08-06 14:24 ` Quentin Perret
2021-08-06 14:24 ` Quentin Perret
2021-08-06 16:04 ` (subset) [PATCH 0/4] Fix racing TLBI with ASID/VMID reallocation Catalin Marinas
2021-08-06 16:04 ` Catalin Marinas
2021-08-06 16:04 ` Catalin Marinas
2021-09-10 9:06 ` Shameerali Kolothum Thodi
2021-09-10 9:06 ` Shameerali Kolothum Thodi
2021-09-10 9:06 ` Shameerali Kolothum Thodi
2021-09-10 9:45 ` Catalin Marinas [this message]
2021-09-10 9:45 ` Catalin Marinas
2021-09-10 9:45 ` Catalin Marinas
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