From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Tianrui Zhao <zhaotianrui@loongson.cn>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
loongarch@lists.linux.dev, linux-kernel@vger.kernel.org,
kvm@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
Mark Brown <broonie@kernel.org>,
Alex Deucher <alexander.deucher@amd.com>
Subject: Re: [PATCH v1 01/24] LoongArch: KVM: Implement kvm module related interface
Date: Tue, 14 Feb 2023 10:58:11 +0100 [thread overview]
Message-ID: <Y+tbMwXjA0hkiUJA@kroah.com> (raw)
In-Reply-To: <6fd2ca5a-7243-0627-79e9-8c8bd840adc2@loongson.cn>
On Tue, Feb 14, 2023 at 05:00:56PM +0800, Tianrui Zhao wrote:
> > > +#define KVM_GET_CSRS _IOWR(KVMIO, 0xc5, struct kvm_csrs)
> > > +#define KVM_SET_CSRS _IOW(KVMIO, 0xc6, struct kvm_csrs)
> > Why does this arch need new ioctls?
> We want to use this ioctl to access multiple csrs at one time. If without
> this, we only access one csr.
What is wrong with accessing only one csr at a time? Isn't this what
other architectures do?
> There is another function, can we use the KVM_GET/SET_MSRS to access our
> csrs?
I do not know, that's up to the KVM developers to answer.
thanks,
greg k-h
next prev parent reply other threads:[~2023-02-14 10:00 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-14 2:56 [PATCH v1 00/24] Add KVM LoongArch support Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 01/24] LoongArch: KVM: Implement kvm module related interface Tianrui Zhao
2023-02-14 6:38 ` Greg Kroah-Hartman
2023-02-14 9:00 ` Tianrui Zhao
2023-02-14 9:58 ` Greg Kroah-Hartman [this message]
2023-02-14 13:00 ` Tianrui Zhao
2023-02-16 19:34 ` Oliver Upton
2023-02-17 1:27 ` Tianrui Zhao
2023-02-17 1:33 ` maobibo
2023-02-14 13:05 ` maobibo
2023-02-14 2:56 ` [PATCH v1 02/24] LoongArch: KVM: Implement VM related functions Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 03/24] LoongArch: KVM: Implement vcpu create,run,destroy operations Tianrui Zhao
2023-02-14 6:40 ` Greg Kroah-Hartman
2023-02-14 9:03 ` Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 04/24] LoongArch: KVM: Implement vcpu get, vcpu set registers Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 05/24] LoongArch: KVM: Implement vcpu ENABLE_CAP, CHECK_EXTENSION ioctl interface Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 06/24] LoongArch: KVM: Implement fpu related operations for vcpu Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 07/24] LoongArch: KVM: Implement vcpu interrupt operations Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 08/24] LoongArch: KVM: Implement misc vcpu related interfaces Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 09/24] LoongArch: KVM: Implement vcpu load and vcpu put operations Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 10/24] LoongArch: KVM: Implement vcpu status description Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 11/24] LoongArch: KVM: Implement update VM id function Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 12/24] LoongArch: KVM: Implement virtual machine tlb operations Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 13/24] LoongArch: KVM: Implement vcpu timer operations Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 14/24] LoongArch: KVM: Implement kvm mmu operations Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 15/24] LoongArch: KVM: Implement handle csr excption Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 16/24] LoongArch: KVM: Implement handle iocsr exception Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 17/24] LoongArch: KVM: Implement handle idle exception Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 18/24] LoongArch: KVM: Implement handle gspr exception Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 19/24] LoongArch: KVM: Implement handle mmio exception Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 20/24] LoongArch: KVM: Implement handle fpu exception Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 21/24] LoongArch: KVM: Implement kvm exception vector Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 22/24] LoongArch: KVM: Implement vcpu world switch Tianrui Zhao
2023-02-14 7:07 ` kernel test robot
2023-02-14 2:56 ` [PATCH v1 23/24] LoongArch: KVM: Implement probe virtualization when loongarch cpu init Tianrui Zhao
2023-02-14 2:56 ` [PATCH v1 24/24] LoongArch: KVM: Enable kvm config and add the makefile Tianrui Zhao
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