From: Steven Price <steven.price@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>
Cc: Steven Price <steven.price@arm.com>,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Dave Martin <Dave.Martin@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
qemu-devel@nongnu.org, Juan Quintela <quintela@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Peter Maydell <peter.maydell@linaro.org>,
Haibo Xu <Haibo.Xu@arm.com>, Andrew Jones <drjones@redhat.com>
Subject: [PATCH v11 0/6] MTE support for KVM guest
Date: Fri, 16 Apr 2021 16:43:03 +0100 [thread overview]
Message-ID: <20210416154309.22129-1-steven.price@arm.com> (raw)
I know it's likely to be the merge window next week, but since there
were a couple of changes from Catalin's review I thought I'd send
another version out - there are some minor conflicts with what's
currently in -next so I'll rebase after -rc1.
This series adds support for using the Arm Memory Tagging Extensions
(MTE) in a KVM guest.
This version is rebased on v5.12-rc2.
Changes since v10[1]:
* Replace pte_valid_user() with (pte_val(pte) & PTE_USER) in
set_pte_at() as the former has been removed with the EPAN patches.
* Don't attempt to check tags on memory which is going to be mapped in
stage 2 as DEVICE as the guest won't be able to see the tags.
* Use pfn_to_online_page() instead of pfn_to_page() in user_mem_abort()
to prevent ZONE_DEVICE memory being populated in stage 2 if tags are
enabled.
[1] https://lore.kernel.org/r/20210312151902.17853-1-steven.price%40arm.com
Steven Price (6):
arm64: mte: Sync tags for pages where PTE is untagged
arm64: kvm: Introduce MTE VM feature
arm64: kvm: Save/restore MTE registers
arm64: kvm: Expose KVM_ARM_CAP_MTE
KVM: arm64: ioctl to fetch/store tags in a guest
KVM: arm64: Document MTE capability and ioctl
Documentation/virt/kvm/api.rst | 53 +++++++++++++++
arch/arm64/include/asm/kvm_emulate.h | 3 +
arch/arm64/include/asm/kvm_host.h | 9 +++
arch/arm64/include/asm/kvm_mte.h | 66 ++++++++++++++++++
arch/arm64/include/asm/pgtable.h | 2 +-
arch/arm64/include/asm/sysreg.h | 3 +-
arch/arm64/include/uapi/asm/kvm.h | 14 ++++
arch/arm64/kernel/asm-offsets.c | 3 +
arch/arm64/kernel/mte.c | 16 +++--
arch/arm64/kvm/arm.c | 78 ++++++++++++++++++++++
arch/arm64/kvm/hyp/entry.S | 7 ++
arch/arm64/kvm/hyp/exception.c | 3 +-
arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 21 ++++++
arch/arm64/kvm/mmu.c | 20 ++++++
arch/arm64/kvm/sys_regs.c | 28 ++++++--
include/uapi/linux/kvm.h | 2 +
16 files changed, 317 insertions(+), 11 deletions(-)
create mode 100644 arch/arm64/include/asm/kvm_mte.h
--
2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Steven Price <steven.price@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
Peter Maydell <peter.maydell@linaro.org>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Andrew Jones <drjones@redhat.com>, Haibo Xu <Haibo.Xu@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
qemu-devel@nongnu.org, Dave Martin <Dave.Martin@arm.com>,
Juan Quintela <quintela@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
linux-kernel@vger.kernel.org, Steven Price <steven.price@arm.com>,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v11 0/6] MTE support for KVM guest
Date: Fri, 16 Apr 2021 16:43:03 +0100 [thread overview]
Message-ID: <20210416154309.22129-1-steven.price@arm.com> (raw)
I know it's likely to be the merge window next week, but since there
were a couple of changes from Catalin's review I thought I'd send
another version out - there are some minor conflicts with what's
currently in -next so I'll rebase after -rc1.
This series adds support for using the Arm Memory Tagging Extensions
(MTE) in a KVM guest.
This version is rebased on v5.12-rc2.
Changes since v10[1]:
* Replace pte_valid_user() with (pte_val(pte) & PTE_USER) in
set_pte_at() as the former has been removed with the EPAN patches.
* Don't attempt to check tags on memory which is going to be mapped in
stage 2 as DEVICE as the guest won't be able to see the tags.
* Use pfn_to_online_page() instead of pfn_to_page() in user_mem_abort()
to prevent ZONE_DEVICE memory being populated in stage 2 if tags are
enabled.
[1] https://lore.kernel.org/r/20210312151902.17853-1-steven.price%40arm.com
Steven Price (6):
arm64: mte: Sync tags for pages where PTE is untagged
arm64: kvm: Introduce MTE VM feature
arm64: kvm: Save/restore MTE registers
arm64: kvm: Expose KVM_ARM_CAP_MTE
KVM: arm64: ioctl to fetch/store tags in a guest
KVM: arm64: Document MTE capability and ioctl
Documentation/virt/kvm/api.rst | 53 +++++++++++++++
arch/arm64/include/asm/kvm_emulate.h | 3 +
arch/arm64/include/asm/kvm_host.h | 9 +++
arch/arm64/include/asm/kvm_mte.h | 66 ++++++++++++++++++
arch/arm64/include/asm/pgtable.h | 2 +-
arch/arm64/include/asm/sysreg.h | 3 +-
arch/arm64/include/uapi/asm/kvm.h | 14 ++++
arch/arm64/kernel/asm-offsets.c | 3 +
arch/arm64/kernel/mte.c | 16 +++--
arch/arm64/kvm/arm.c | 78 ++++++++++++++++++++++
arch/arm64/kvm/hyp/entry.S | 7 ++
arch/arm64/kvm/hyp/exception.c | 3 +-
arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 21 ++++++
arch/arm64/kvm/mmu.c | 20 ++++++
arch/arm64/kvm/sys_regs.c | 28 ++++++--
include/uapi/linux/kvm.h | 2 +
16 files changed, 317 insertions(+), 11 deletions(-)
create mode 100644 arch/arm64/include/asm/kvm_mte.h
--
2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Steven Price <steven.price@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>,
qemu-devel@nongnu.org, Dave Martin <Dave.Martin@arm.com>,
Juan Quintela <quintela@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
linux-kernel@vger.kernel.org, Steven Price <steven.price@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v11 0/6] MTE support for KVM guest
Date: Fri, 16 Apr 2021 16:43:03 +0100 [thread overview]
Message-ID: <20210416154309.22129-1-steven.price@arm.com> (raw)
I know it's likely to be the merge window next week, but since there
were a couple of changes from Catalin's review I thought I'd send
another version out - there are some minor conflicts with what's
currently in -next so I'll rebase after -rc1.
This series adds support for using the Arm Memory Tagging Extensions
(MTE) in a KVM guest.
This version is rebased on v5.12-rc2.
Changes since v10[1]:
* Replace pte_valid_user() with (pte_val(pte) & PTE_USER) in
set_pte_at() as the former has been removed with the EPAN patches.
* Don't attempt to check tags on memory which is going to be mapped in
stage 2 as DEVICE as the guest won't be able to see the tags.
* Use pfn_to_online_page() instead of pfn_to_page() in user_mem_abort()
to prevent ZONE_DEVICE memory being populated in stage 2 if tags are
enabled.
[1] https://lore.kernel.org/r/20210312151902.17853-1-steven.price%40arm.com
Steven Price (6):
arm64: mte: Sync tags for pages where PTE is untagged
arm64: kvm: Introduce MTE VM feature
arm64: kvm: Save/restore MTE registers
arm64: kvm: Expose KVM_ARM_CAP_MTE
KVM: arm64: ioctl to fetch/store tags in a guest
KVM: arm64: Document MTE capability and ioctl
Documentation/virt/kvm/api.rst | 53 +++++++++++++++
arch/arm64/include/asm/kvm_emulate.h | 3 +
arch/arm64/include/asm/kvm_host.h | 9 +++
arch/arm64/include/asm/kvm_mte.h | 66 ++++++++++++++++++
arch/arm64/include/asm/pgtable.h | 2 +-
arch/arm64/include/asm/sysreg.h | 3 +-
arch/arm64/include/uapi/asm/kvm.h | 14 ++++
arch/arm64/kernel/asm-offsets.c | 3 +
arch/arm64/kernel/mte.c | 16 +++--
arch/arm64/kvm/arm.c | 78 ++++++++++++++++++++++
arch/arm64/kvm/hyp/entry.S | 7 ++
arch/arm64/kvm/hyp/exception.c | 3 +-
arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 21 ++++++
arch/arm64/kvm/mmu.c | 20 ++++++
arch/arm64/kvm/sys_regs.c | 28 ++++++--
include/uapi/linux/kvm.h | 2 +
16 files changed, 317 insertions(+), 11 deletions(-)
create mode 100644 arch/arm64/include/asm/kvm_mte.h
--
2.20.1
_______________________________________________
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: Catalin Marinas <catalin.marinas@arm.com>,
Marc Zyngier <maz@kernel.org>, Will Deacon <will@kernel.org>
Cc: Steven Price <steven.price@arm.com>,
James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Dave Martin <Dave.Martin@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Thomas Gleixner <tglx@linutronix.de>,
qemu-devel@nongnu.org, Juan Quintela <quintela@redhat.com>,
"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Peter Maydell <peter.maydell@linaro.org>,
Haibo Xu <Haibo.Xu@arm.com>, Andrew Jones <drjones@redhat.com>
Subject: [PATCH v11 0/6] MTE support for KVM guest
Date: Fri, 16 Apr 2021 16:43:03 +0100 [thread overview]
Message-ID: <20210416154309.22129-1-steven.price@arm.com> (raw)
I know it's likely to be the merge window next week, but since there
were a couple of changes from Catalin's review I thought I'd send
another version out - there are some minor conflicts with what's
currently in -next so I'll rebase after -rc1.
This series adds support for using the Arm Memory Tagging Extensions
(MTE) in a KVM guest.
This version is rebased on v5.12-rc2.
Changes since v10[1]:
* Replace pte_valid_user() with (pte_val(pte) & PTE_USER) in
set_pte_at() as the former has been removed with the EPAN patches.
* Don't attempt to check tags on memory which is going to be mapped in
stage 2 as DEVICE as the guest won't be able to see the tags.
* Use pfn_to_online_page() instead of pfn_to_page() in user_mem_abort()
to prevent ZONE_DEVICE memory being populated in stage 2 if tags are
enabled.
[1] https://lore.kernel.org/r/20210312151902.17853-1-steven.price%40arm.com
Steven Price (6):
arm64: mte: Sync tags for pages where PTE is untagged
arm64: kvm: Introduce MTE VM feature
arm64: kvm: Save/restore MTE registers
arm64: kvm: Expose KVM_ARM_CAP_MTE
KVM: arm64: ioctl to fetch/store tags in a guest
KVM: arm64: Document MTE capability and ioctl
Documentation/virt/kvm/api.rst | 53 +++++++++++++++
arch/arm64/include/asm/kvm_emulate.h | 3 +
arch/arm64/include/asm/kvm_host.h | 9 +++
arch/arm64/include/asm/kvm_mte.h | 66 ++++++++++++++++++
arch/arm64/include/asm/pgtable.h | 2 +-
arch/arm64/include/asm/sysreg.h | 3 +-
arch/arm64/include/uapi/asm/kvm.h | 14 ++++
arch/arm64/kernel/asm-offsets.c | 3 +
arch/arm64/kernel/mte.c | 16 +++--
arch/arm64/kvm/arm.c | 78 ++++++++++++++++++++++
arch/arm64/kvm/hyp/entry.S | 7 ++
arch/arm64/kvm/hyp/exception.c | 3 +-
arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 21 ++++++
arch/arm64/kvm/mmu.c | 20 ++++++
arch/arm64/kvm/sys_regs.c | 28 ++++++--
include/uapi/linux/kvm.h | 2 +
16 files changed, 317 insertions(+), 11 deletions(-)
create mode 100644 arch/arm64/include/asm/kvm_mte.h
--
2.20.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2021-04-16 15:43 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 15:43 Steven Price [this message]
2021-04-16 15:43 ` [PATCH v11 0/6] MTE support for KVM guest Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` [PATCH v11 1/6] arm64: mte: Sync tags for pages where PTE is untagged Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-27 17:43 ` Catalin Marinas
2021-04-27 17:43 ` Catalin Marinas
2021-04-27 17:43 ` Catalin Marinas
2021-04-27 17:43 ` Catalin Marinas
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-05-04 15:29 ` Catalin Marinas
2021-05-04 15:29 ` Catalin Marinas
2021-05-04 15:29 ` Catalin Marinas
2021-05-04 15:29 ` Catalin Marinas
2021-04-16 15:43 ` [PATCH v11 2/6] arm64: kvm: Introduce MTE VM feature Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-28 17:07 ` Catalin Marinas
2021-04-28 17:07 ` Catalin Marinas
2021-04-28 17:07 ` Catalin Marinas
2021-04-28 17:07 ` Catalin Marinas
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-05-04 17:40 ` Catalin Marinas
2021-05-04 17:40 ` Catalin Marinas
2021-05-04 17:40 ` Catalin Marinas
2021-05-04 17:40 ` Catalin Marinas
2021-05-06 16:15 ` Steven Price
2021-05-06 16:15 ` Steven Price
2021-05-06 16:15 ` Steven Price
2021-05-06 16:15 ` Steven Price
2021-05-07 18:25 ` Catalin Marinas
2021-05-07 18:25 ` Catalin Marinas
2021-05-07 18:25 ` Catalin Marinas
2021-05-07 18:25 ` Catalin Marinas
2021-05-10 18:35 ` Catalin Marinas
2021-05-10 18:35 ` Catalin Marinas
2021-05-10 18:35 ` Catalin Marinas
2021-05-10 18:35 ` Catalin Marinas
2021-05-12 15:46 ` Steven Price
2021-05-12 15:46 ` Steven Price
2021-05-12 15:46 ` Steven Price
2021-05-12 15:46 ` Steven Price
2021-05-12 17:45 ` Catalin Marinas
2021-05-12 17:45 ` Catalin Marinas
2021-05-12 17:45 ` Catalin Marinas
2021-05-12 17:45 ` Catalin Marinas
2021-05-13 10:57 ` Steven Price
2021-05-13 10:57 ` Steven Price
2021-05-13 10:57 ` Steven Price
2021-05-13 10:57 ` Steven Price
2021-05-13 15:08 ` Catalin Marinas
2021-05-13 15:08 ` Catalin Marinas
2021-05-13 15:08 ` Catalin Marinas
2021-05-13 15:08 ` Catalin Marinas
2021-05-13 15:21 ` Catalin Marinas
2021-05-13 15:21 ` Catalin Marinas
2021-05-13 15:21 ` Catalin Marinas
2021-05-13 15:21 ` Catalin Marinas
2021-04-16 15:43 ` [PATCH v11 3/6] arm64: kvm: Save/restore MTE registers Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` [PATCH v11 4/6] arm64: kvm: Expose KVM_ARM_CAP_MTE Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` [PATCH v11 5/6] KVM: arm64: ioctl to fetch/store tags in a guest Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-27 17:58 ` Catalin Marinas
2021-04-27 17:58 ` Catalin Marinas
2021-04-27 17:58 ` Catalin Marinas
2021-04-27 17:58 ` Catalin Marinas
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-04-29 16:06 ` Steven Price
2021-05-04 17:44 ` Catalin Marinas
2021-05-04 17:44 ` Catalin Marinas
2021-05-04 17:44 ` Catalin Marinas
2021-05-04 17:44 ` Catalin Marinas
2021-05-07 9:44 ` Steven Price
2021-05-07 9:44 ` Steven Price
2021-05-07 9:44 ` Steven Price
2021-05-07 9:44 ` Steven Price
2021-05-07 9:59 ` David Laight
2021-05-07 9:59 ` David Laight
2021-05-07 9:59 ` David Laight
2021-05-07 9:59 ` David Laight
2021-04-16 15:43 ` [PATCH v11 6/6] KVM: arm64: Document MTE capability and ioctl Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
2021-04-16 15:43 ` Steven Price
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210416154309.22129-1-steven.price@arm.com \
--to=steven.price@arm.com \
--cc=Dave.Martin@arm.com \
--cc=Haibo.Xu@arm.com \
--cc=catalin.marinas@arm.com \
--cc=dgilbert@redhat.com \
--cc=drjones@redhat.com \
--cc=james.morse@arm.com \
--cc=julien.thierry.kdev@gmail.com \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=peter.maydell@linaro.org \
--cc=qemu-devel@nongnu.org \
--cc=quintela@redhat.com \
--cc=richard.henderson@linaro.org \
--cc=suzuki.poulose@arm.com \
--cc=tglx@linutronix.de \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.