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From: Steven Price <steven.price@arm.com>
To: Marc Zyngier <maz@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>
Cc: linux-kernel@vger.kernel.org, Dave Martin <Dave.Martin@arm.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	Julien Thierry <julien.thierry.kdev@gmail.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Juan Quintela <quintela@redhat.com>,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	Andrew Jones <drjones@redhat.com>,
	qemu-devel@nongnu.org, Thomas Gleixner <tglx@linutronix.de>,
	James Morse <james.morse@arm.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH v17 0/6] MTE support for KVM guest
Date: Wed, 23 Jun 2021 15:09:00 +0100	[thread overview]
Message-ID: <7cc69f75-a6df-0a64-873e-69e438a43bdf@arm.com> (raw)
In-Reply-To: <162437105102.29544.14666831489362675099.b4-ty@kernel.org>

On 22/06/2021 15:21, Marc Zyngier wrote:
> On Mon, 21 Jun 2021 12:17:10 +0100, Steven Price wrote:
>> This series adds support for using the Arm Memory Tagging Extensions
>> (MTE) in a KVM guest.
>>
>> Changes since v16[1]:
>>
>>  - Dropped the first patch ("Handle race when synchronising tags") as
>>    it's not KVM specific and by restricting MAP_SHARED in KVM there is
>>    no longer a dependency.
>>
>> [...]
> 
> Applied to next, thanks!
> 
> [1/6] arm64: mte: Sync tags for pages where PTE is untagged
>       commit: 69e3b846d8a753f9f279f29531ca56b0f7563ad0
> [2/6] KVM: arm64: Introduce MTE VM feature
>       commit: ea7fc1bb1cd1b92b42b1d9273ce7e231d3dc9321
> [3/6] KVM: arm64: Save/restore MTE registers
>       commit: e1f358b5046479d2897f23b1d5b092687c6e7a67
> [4/6] KVM: arm64: Expose KVM_ARM_CAP_MTE
>       commit: 673638f434ee4a00319e254ade338c57618d6f7e
> [5/6] KVM: arm64: ioctl to fetch/store tags in a guest
>       commit: f0376edb1ddcab19a473b4bf1fbd5b6bbed3705b
> [6/6] KVM: arm64: Document MTE capability and ioctl
>       commit: 04c02c201d7e8149ae336ead69fb64e4e6f94bc9
> 
> I performed a number of changes in user_mem_abort(), so please
> have a look at the result. It is also pretty late in the merge
> cycle, so if anything looks amiss, I'll just drop it.

It all looks good to me - thanks for making those changes.

Steve

WARNING: multiple messages have this Message-ID (diff)
From: Steven Price <steven.price@arm.com>
To: Marc Zyngier <maz@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	 Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	Andrew Jones <drjones@redhat.com>,
	Juan Quintela <quintela@redhat.com>,
	qemu-devel@nongnu.org, Suzuki K Poulose <suzuki.poulose@arm.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	linux-kernel@vger.kernel.org,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	James Morse <james.morse@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.cs.columbia.edu,
	Thomas Gleixner <tglx@linutronix.de>,
	Dave Martin <Dave.Martin@arm.com>,
	Julien Thierry <julien.thierry.kdev@gmail.com>
Subject: Re: [PATCH v17 0/6] MTE support for KVM guest
Date: Wed, 23 Jun 2021 15:09:00 +0100	[thread overview]
Message-ID: <7cc69f75-a6df-0a64-873e-69e438a43bdf@arm.com> (raw)
In-Reply-To: <162437105102.29544.14666831489362675099.b4-ty@kernel.org>

On 22/06/2021 15:21, Marc Zyngier wrote:
> On Mon, 21 Jun 2021 12:17:10 +0100, Steven Price wrote:
>> This series adds support for using the Arm Memory Tagging Extensions
>> (MTE) in a KVM guest.
>>
>> Changes since v16[1]:
>>
>>  - Dropped the first patch ("Handle race when synchronising tags") as
>>    it's not KVM specific and by restricting MAP_SHARED in KVM there is
>>    no longer a dependency.
>>
>> [...]
> 
> Applied to next, thanks!
> 
> [1/6] arm64: mte: Sync tags for pages where PTE is untagged
>       commit: 69e3b846d8a753f9f279f29531ca56b0f7563ad0
> [2/6] KVM: arm64: Introduce MTE VM feature
>       commit: ea7fc1bb1cd1b92b42b1d9273ce7e231d3dc9321
> [3/6] KVM: arm64: Save/restore MTE registers
>       commit: e1f358b5046479d2897f23b1d5b092687c6e7a67
> [4/6] KVM: arm64: Expose KVM_ARM_CAP_MTE
>       commit: 673638f434ee4a00319e254ade338c57618d6f7e
> [5/6] KVM: arm64: ioctl to fetch/store tags in a guest
>       commit: f0376edb1ddcab19a473b4bf1fbd5b6bbed3705b
> [6/6] KVM: arm64: Document MTE capability and ioctl
>       commit: 04c02c201d7e8149ae336ead69fb64e4e6f94bc9
> 
> I performed a number of changes in user_mem_abort(), so please
> have a look at the result. It is also pretty late in the merge
> cycle, so if anything looks amiss, I'll just drop it.

It all looks good to me - thanks for making those changes.

Steve


WARNING: multiple messages have this Message-ID (diff)
From: Steven Price <steven.price@arm.com>
To: Marc Zyngier <maz@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	 Will Deacon <will@kernel.org>
Cc: Juan Quintela <quintela@redhat.com>,
	qemu-devel@nongnu.org,
	Richard Henderson <richard.henderson@linaro.org>,
	linux-kernel@vger.kernel.org,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.cs.columbia.edu,
	Thomas Gleixner <tglx@linutronix.de>,
	Dave Martin <Dave.Martin@arm.com>
Subject: Re: [PATCH v17 0/6] MTE support for KVM guest
Date: Wed, 23 Jun 2021 15:09:00 +0100	[thread overview]
Message-ID: <7cc69f75-a6df-0a64-873e-69e438a43bdf@arm.com> (raw)
In-Reply-To: <162437105102.29544.14666831489362675099.b4-ty@kernel.org>

On 22/06/2021 15:21, Marc Zyngier wrote:
> On Mon, 21 Jun 2021 12:17:10 +0100, Steven Price wrote:
>> This series adds support for using the Arm Memory Tagging Extensions
>> (MTE) in a KVM guest.
>>
>> Changes since v16[1]:
>>
>>  - Dropped the first patch ("Handle race when synchronising tags") as
>>    it's not KVM specific and by restricting MAP_SHARED in KVM there is
>>    no longer a dependency.
>>
>> [...]
> 
> Applied to next, thanks!
> 
> [1/6] arm64: mte: Sync tags for pages where PTE is untagged
>       commit: 69e3b846d8a753f9f279f29531ca56b0f7563ad0
> [2/6] KVM: arm64: Introduce MTE VM feature
>       commit: ea7fc1bb1cd1b92b42b1d9273ce7e231d3dc9321
> [3/6] KVM: arm64: Save/restore MTE registers
>       commit: e1f358b5046479d2897f23b1d5b092687c6e7a67
> [4/6] KVM: arm64: Expose KVM_ARM_CAP_MTE
>       commit: 673638f434ee4a00319e254ade338c57618d6f7e
> [5/6] KVM: arm64: ioctl to fetch/store tags in a guest
>       commit: f0376edb1ddcab19a473b4bf1fbd5b6bbed3705b
> [6/6] KVM: arm64: Document MTE capability and ioctl
>       commit: 04c02c201d7e8149ae336ead69fb64e4e6f94bc9
> 
> I performed a number of changes in user_mem_abort(), so please
> have a look at the result. It is also pretty late in the merge
> cycle, so if anything looks amiss, I'll just drop it.

It all looks good to me - thanks for making those changes.

Steve
_______________________________________________
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: Steven Price <steven.price@arm.com>
To: Marc Zyngier <maz@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	 Will Deacon <will@kernel.org>
Cc: linux-kernel@vger.kernel.org, Dave Martin <Dave.Martin@arm.com>,
	Peter Maydell <peter.maydell@linaro.org>,
	Julien Thierry <julien.thierry.kdev@gmail.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Juan Quintela <quintela@redhat.com>,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	Andrew Jones <drjones@redhat.com>,
	qemu-devel@nongnu.org, Thomas Gleixner <tglx@linutronix.de>,
	James Morse <james.morse@arm.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	Mark Rutland <mark.rutland@arm.com>,
	linux-arm-kernel@lists.infradead.org,
	kvmarm@lists.cs.columbia.edu
Subject: Re: [PATCH v17 0/6] MTE support for KVM guest
Date: Wed, 23 Jun 2021 15:09:00 +0100	[thread overview]
Message-ID: <7cc69f75-a6df-0a64-873e-69e438a43bdf@arm.com> (raw)
In-Reply-To: <162437105102.29544.14666831489362675099.b4-ty@kernel.org>

On 22/06/2021 15:21, Marc Zyngier wrote:
> On Mon, 21 Jun 2021 12:17:10 +0100, Steven Price wrote:
>> This series adds support for using the Arm Memory Tagging Extensions
>> (MTE) in a KVM guest.
>>
>> Changes since v16[1]:
>>
>>  - Dropped the first patch ("Handle race when synchronising tags") as
>>    it's not KVM specific and by restricting MAP_SHARED in KVM there is
>>    no longer a dependency.
>>
>> [...]
> 
> Applied to next, thanks!
> 
> [1/6] arm64: mte: Sync tags for pages where PTE is untagged
>       commit: 69e3b846d8a753f9f279f29531ca56b0f7563ad0
> [2/6] KVM: arm64: Introduce MTE VM feature
>       commit: ea7fc1bb1cd1b92b42b1d9273ce7e231d3dc9321
> [3/6] KVM: arm64: Save/restore MTE registers
>       commit: e1f358b5046479d2897f23b1d5b092687c6e7a67
> [4/6] KVM: arm64: Expose KVM_ARM_CAP_MTE
>       commit: 673638f434ee4a00319e254ade338c57618d6f7e
> [5/6] KVM: arm64: ioctl to fetch/store tags in a guest
>       commit: f0376edb1ddcab19a473b4bf1fbd5b6bbed3705b
> [6/6] KVM: arm64: Document MTE capability and ioctl
>       commit: 04c02c201d7e8149ae336ead69fb64e4e6f94bc9
> 
> I performed a number of changes in user_mem_abort(), so please
> have a look at the result. It is also pretty late in the merge
> cycle, so if anything looks amiss, I'll just drop it.

It all looks good to me - thanks for making those changes.

Steve

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

  reply	other threads:[~2021-06-23 14:09 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21 11:17 [PATCH v17 0/6] MTE support for KVM guest Steven Price
2021-06-21 11:17 ` Steven Price
2021-06-21 11:17 ` Steven Price
2021-06-21 11:17 ` Steven Price
2021-06-21 11:17 ` [PATCH v17 1/6] arm64: mte: Sync tags for pages where PTE is untagged Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17 ` [PATCH v17 2/6] KVM: arm64: Introduce MTE VM feature Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 17:00   ` Fuad Tabba
2021-06-21 17:00     ` Fuad Tabba
2021-06-21 17:00     ` Fuad Tabba
2021-06-21 17:00     ` Fuad Tabba
2021-06-22 11:29     ` Marc Zyngier
2021-06-22 11:29       ` Marc Zyngier
2021-06-22 11:29       ` Marc Zyngier
2021-06-22 11:29       ` Marc Zyngier
2021-06-21 11:17 ` [PATCH v17 3/6] KVM: arm64: Save/restore MTE registers Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-22  9:46   ` Fuad Tabba
2021-06-22  9:46     ` Fuad Tabba
2021-06-22  9:46     ` Fuad Tabba
2021-06-22  9:46     ` Fuad Tabba
2021-06-21 11:17 ` [PATCH v17 4/6] KVM: arm64: Expose KVM_ARM_CAP_MTE Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-22  8:07   ` Fuad Tabba
2021-06-22  8:07     ` Fuad Tabba
2021-06-22  8:07     ` Fuad Tabba
2021-06-22  8:07     ` Fuad Tabba
2021-06-22  8:48     ` Marc Zyngier
2021-06-22  8:48       ` Marc Zyngier
2021-06-22  8:48       ` Marc Zyngier
2021-06-22  8:48       ` Marc Zyngier
2021-06-21 11:17 ` [PATCH v17 5/6] KVM: arm64: ioctl to fetch/store tags in a guest Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-22  8:56   ` Fuad Tabba
2021-06-22  8:56     ` Fuad Tabba
2021-06-22  8:56     ` Fuad Tabba
2021-06-22  8:56     ` Fuad Tabba
2021-06-22 10:25     ` Marc Zyngier
2021-06-22 10:25       ` Marc Zyngier
2021-06-22 10:25       ` Marc Zyngier
2021-06-22 10:25       ` Marc Zyngier
2021-06-22 10:56       ` Fuad Tabba
2021-06-22 10:56         ` Fuad Tabba
2021-06-22 10:56         ` Fuad Tabba
2021-06-22 10:56         ` Fuad Tabba
2021-06-23 14:07         ` Steven Price
2021-06-23 14:07           ` Steven Price
2021-06-23 14:07           ` Steven Price
2021-06-23 14:07           ` Steven Price
2021-06-24 13:35   ` Marc Zyngier
2021-06-24 13:35     ` Marc Zyngier
2021-06-24 13:35     ` Marc Zyngier
2021-06-24 13:35     ` Marc Zyngier
2021-06-24 13:42     ` Steven Price
2021-06-24 13:42       ` Steven Price
2021-06-24 13:42       ` Steven Price
2021-06-24 13:42       ` Steven Price
2021-06-21 11:17 ` [PATCH v17 6/6] KVM: arm64: Document MTE capability and ioctl Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-21 11:17   ` Steven Price
2021-06-22  9:42   ` Fuad Tabba
2021-06-22  9:42     ` Fuad Tabba
2021-06-22  9:42     ` Fuad Tabba
2021-06-22  9:42     ` Fuad Tabba
2021-06-22 10:35     ` Marc Zyngier
2021-06-22 10:35       ` Marc Zyngier
2021-06-22 10:35       ` Marc Zyngier
2021-06-22 10:35       ` Marc Zyngier
2021-06-22 10:41       ` Fuad Tabba
2021-06-22 10:41         ` Fuad Tabba
2021-06-22 10:41         ` Fuad Tabba
2021-06-22 10:41         ` Fuad Tabba
2021-06-22 14:21 ` [PATCH v17 0/6] MTE support for KVM guest Marc Zyngier
2021-06-22 14:21   ` Marc Zyngier
2021-06-22 14:21   ` Marc Zyngier
2021-06-22 14:21   ` Marc Zyngier
2021-06-23 14:09   ` Steven Price [this message]
2021-06-23 14:09     ` Steven Price
2021-06-23 14:09     ` Steven Price
2021-06-23 14:09     ` Steven Price

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