From: Will Deacon <will@kernel.org>
To: Fuad Tabba <tabba@google.com>
Cc: kvmarm@lists.cs.columbia.edu, maz@kernel.org,
james.morse@arm.com, alexandru.elisei@arm.com,
suzuki.poulose@arm.com, mark.rutland@arm.com,
christoffer.dall@arm.com, pbonzini@redhat.com,
drjones@redhat.com, qperret@google.com, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kernel-team@android.com
Subject: Re: [PATCH v3 07/15] KVM: arm64: Track value of cptr_el2 in struct kvm_vcpu_arch
Date: Thu, 12 Aug 2021 09:59:29 +0100 [thread overview]
Message-ID: <20210812085929.GE5912@willie-the-truck> (raw)
In-Reply-To: <20210719160346.609914-8-tabba@google.com>
On Mon, Jul 19, 2021 at 05:03:38PM +0100, Fuad Tabba wrote:
> Track the baseline guest value for cptr_el2 in struct
> kvm_vcpu_arch, similar to the other registers that control traps.
> Use this value when setting cptr_el2 for the guest.
>
> Currently this value is unchanged (CPTR_EL2_DEFAULT), but future
> patches will set trapping bits based on features supported for
> the guest.
>
> No functional change intended.
>
> Signed-off-by: Fuad Tabba <tabba@google.com>
> ---
> arch/arm64/include/asm/kvm_host.h | 1 +
> arch/arm64/kvm/arm.c | 1 +
> arch/arm64/kvm/hyp/nvhe/switch.c | 2 +-
> 3 files changed, 3 insertions(+), 1 deletion(-)
Acked-by: Will Deacon <will@kernel.org>
Will
WARNING: multiple messages have this Message-ID (diff)
From: Will Deacon <will@kernel.org>
To: Fuad Tabba <tabba@google.com>
Cc: kernel-team@android.com, kvm@vger.kernel.org, maz@kernel.org,
pbonzini@redhat.com, kvmarm@lists.cs.columbia.edu,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 07/15] KVM: arm64: Track value of cptr_el2 in struct kvm_vcpu_arch
Date: Thu, 12 Aug 2021 09:59:29 +0100 [thread overview]
Message-ID: <20210812085929.GE5912@willie-the-truck> (raw)
In-Reply-To: <20210719160346.609914-8-tabba@google.com>
On Mon, Jul 19, 2021 at 05:03:38PM +0100, Fuad Tabba wrote:
> Track the baseline guest value for cptr_el2 in struct
> kvm_vcpu_arch, similar to the other registers that control traps.
> Use this value when setting cptr_el2 for the guest.
>
> Currently this value is unchanged (CPTR_EL2_DEFAULT), but future
> patches will set trapping bits based on features supported for
> the guest.
>
> No functional change intended.
>
> Signed-off-by: Fuad Tabba <tabba@google.com>
> ---
> arch/arm64/include/asm/kvm_host.h | 1 +
> arch/arm64/kvm/arm.c | 1 +
> arch/arm64/kvm/hyp/nvhe/switch.c | 2 +-
> 3 files changed, 3 insertions(+), 1 deletion(-)
Acked-by: Will Deacon <will@kernel.org>
Will
_______________________________________________
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: Will Deacon <will@kernel.org>
To: Fuad Tabba <tabba@google.com>
Cc: kvmarm@lists.cs.columbia.edu, maz@kernel.org,
james.morse@arm.com, alexandru.elisei@arm.com,
suzuki.poulose@arm.com, mark.rutland@arm.com,
christoffer.dall@arm.com, pbonzini@redhat.com,
drjones@redhat.com, qperret@google.com, kvm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kernel-team@android.com
Subject: Re: [PATCH v3 07/15] KVM: arm64: Track value of cptr_el2 in struct kvm_vcpu_arch
Date: Thu, 12 Aug 2021 09:59:29 +0100 [thread overview]
Message-ID: <20210812085929.GE5912@willie-the-truck> (raw)
In-Reply-To: <20210719160346.609914-8-tabba@google.com>
On Mon, Jul 19, 2021 at 05:03:38PM +0100, Fuad Tabba wrote:
> Track the baseline guest value for cptr_el2 in struct
> kvm_vcpu_arch, similar to the other registers that control traps.
> Use this value when setting cptr_el2 for the guest.
>
> Currently this value is unchanged (CPTR_EL2_DEFAULT), but future
> patches will set trapping bits based on features supported for
> the guest.
>
> No functional change intended.
>
> Signed-off-by: Fuad Tabba <tabba@google.com>
> ---
> arch/arm64/include/asm/kvm_host.h | 1 +
> arch/arm64/kvm/arm.c | 1 +
> arch/arm64/kvm/hyp/nvhe/switch.c | 2 +-
> 3 files changed, 3 insertions(+), 1 deletion(-)
Acked-by: Will Deacon <will@kernel.org>
Will
_______________________________________________
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:[~2021-08-12 8:59 UTC|newest]
Thread overview: 126+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 16:03 [PATCH v3 00/15] KVM: arm64: Fixed features for protected VMs Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` [PATCH v3 01/15] KVM: arm64: placeholder to check if VM is protected Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 8:58 ` Will Deacon
2021-08-12 8:58 ` Will Deacon
2021-08-12 8:58 ` Will Deacon
2021-08-12 9:22 ` Fuad Tabba
2021-08-12 9:22 ` Fuad Tabba
2021-08-12 9:22 ` Fuad Tabba
2021-07-19 16:03 ` [PATCH v3 02/15] KVM: arm64: Remove trailing whitespace in comment Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 8:59 ` Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 03/15] KVM: arm64: MDCR_EL2 is a 64-bit register Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` [PATCH v3 04/15] KVM: arm64: Fix names of config register fields Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` [PATCH v3 05/15] KVM: arm64: Refactor sys_regs.h,c for nVHE reuse Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-20 13:38 ` Andrew Jones
2021-07-20 13:38 ` [PATCH v3 05/15] KVM: arm64: Refactor sys_regs.h, c " Andrew Jones
2021-07-20 13:38 ` Andrew Jones
2021-07-20 14:03 ` [PATCH v3 05/15] KVM: arm64: Refactor sys_regs.h,c " Fuad Tabba
2021-07-20 14:03 ` [PATCH v3 05/15] KVM: arm64: Refactor sys_regs.h, c " Fuad Tabba
2021-07-20 14:03 ` Fuad Tabba
2021-08-12 8:59 ` [PATCH v3 05/15] KVM: arm64: Refactor sys_regs.h,c " Will Deacon
2021-08-12 8:59 ` [PATCH v3 05/15] KVM: arm64: Refactor sys_regs.h, c " Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 06/15] KVM: arm64: Restore mdcr_el2 from vcpu Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-20 14:52 ` Andrew Jones
2021-07-20 14:52 ` Andrew Jones
2021-07-20 14:52 ` Andrew Jones
2021-07-21 7:37 ` Fuad Tabba
2021-07-21 7:37 ` Fuad Tabba
2021-07-21 7:37 ` Fuad Tabba
2021-08-12 8:46 ` Will Deacon
2021-08-12 8:46 ` Will Deacon
2021-08-12 8:46 ` Will Deacon
2021-08-12 9:28 ` Fuad Tabba
2021-08-12 9:28 ` Fuad Tabba
2021-08-12 9:28 ` Fuad Tabba
2021-08-12 9:49 ` Will Deacon
2021-08-12 9:49 ` Will Deacon
2021-08-12 9:49 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 07/15] KVM: arm64: Track value of cptr_el2 in struct kvm_vcpu_arch Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 8:59 ` Will Deacon [this message]
2021-08-12 8:59 ` Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 08/15] KVM: arm64: Add feature register flag definitions Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 8:59 ` Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-08-12 9:21 ` Fuad Tabba
2021-08-12 9:21 ` Fuad Tabba
2021-08-12 9:21 ` Fuad Tabba
2021-07-19 16:03 ` [PATCH v3 09/15] KVM: arm64: Add config register bit definitions Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 8:59 ` Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-08-12 8:59 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 10/15] KVM: arm64: Guest exit handlers for nVHE hyp Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-03 15:32 ` Will Deacon
2021-08-03 15:32 ` Will Deacon
2021-08-03 15:32 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 11/15] KVM: arm64: Add trap handlers for protected VMs Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 9:45 ` Will Deacon
2021-08-12 9:45 ` Will Deacon
2021-08-12 9:45 ` Will Deacon
2021-08-16 14:39 ` Fuad Tabba
2021-08-16 14:39 ` Fuad Tabba
2021-08-16 14:39 ` Fuad Tabba
2021-07-19 16:03 ` [PATCH v3 12/15] KVM: arm64: Move sanitized copies of CPU features Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 9:46 ` Will Deacon
2021-08-12 9:46 ` Will Deacon
2021-08-12 9:46 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 13/15] KVM: arm64: Trap access to pVM restricted features Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 9:53 ` Will Deacon
2021-08-12 9:53 ` Will Deacon
2021-08-12 9:53 ` Will Deacon
2021-07-19 16:03 ` [PATCH v3 14/15] KVM: arm64: Handle protected guests at 32 bits Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 19:43 ` Oliver Upton
2021-07-19 19:43 ` Oliver Upton
2021-07-19 19:43 ` Oliver Upton
2021-07-21 8:39 ` Fuad Tabba
2021-07-21 8:39 ` Fuad Tabba
2021-07-21 8:39 ` Fuad Tabba
2021-08-12 9:57 ` Will Deacon
2021-08-12 9:57 ` Will Deacon
2021-08-12 9:57 ` Will Deacon
2021-08-12 13:08 ` Fuad Tabba
2021-08-12 13:08 ` Fuad Tabba
2021-08-12 13:08 ` Fuad Tabba
2021-07-19 16:03 ` [PATCH v3 15/15] KVM: arm64: Restrict protected VM capabilities Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-07-19 16:03 ` Fuad Tabba
2021-08-12 9:59 ` Will Deacon
2021-08-12 9:59 ` Will Deacon
2021-08-12 9:59 ` Will Deacon
2021-08-16 14:40 ` Fuad Tabba
2021-08-16 14:40 ` Fuad Tabba
2021-08-16 14:40 ` Fuad Tabba
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=20210812085929.GE5912@willie-the-truck \
--to=will@kernel.org \
--cc=alexandru.elisei@arm.com \
--cc=christoffer.dall@arm.com \
--cc=drjones@redhat.com \
--cc=james.morse@arm.com \
--cc=kernel-team@android.com \
--cc=kvm@vger.kernel.org \
--cc=kvmarm@lists.cs.columbia.edu \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=mark.rutland@arm.com \
--cc=maz@kernel.org \
--cc=pbonzini@redhat.com \
--cc=qperret@google.com \
--cc=suzuki.poulose@arm.com \
--cc=tabba@google.com \
/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.