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From: Sean Christopherson <seanjc@google.com>
To: kvm-riscv@lists.infradead.org
Subject: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs()
Date: Wed, 2 Aug 2023 09:10:46 -0700	[thread overview]
Message-ID: <ZMqABp6OdrgOtsum@google.com> (raw)
In-Reply-To: <878ratqw2l.wl-maz@kernel.org>

On Wed, Aug 02, 2023, Marc Zyngier wrote:
> On Tue, 01 Aug 2023 01:42:54 +0100,
> Raghavendra Rao Ananta <rananta@google.com> wrote:
> > Thanks for the suggestions; I can go with a common declaration. Along
> > with that, do we want to keep defining
> > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS in the arch code that supports it or
> > convert it into a CONFIG_?
> 
> This isn't something that a user can select, more something that is an
> architectural decision. Maybe in a later patch if there is a consensus
> around that, but probably not as part of this series.

+1.  I agree it's annoying that KVM uses a mix of Kconfigs and manual #defines
for the various "KVM_HAVE" knobs, but we have so many of both that one-off
conversions without a real need don't make much sense.


WARNING: multiple messages have this Message-ID (diff)
From: Sean Christopherson <seanjc@google.com>
To: Marc Zyngier <maz@kernel.org>
Cc: "Raghavendra Rao Ananta" <rananta@google.com>,
	"Oliver Upton" <oliver.upton@linux.dev>,
	"James Morse" <james.morse@arm.com>,
	"Suzuki K Poulose" <suzuki.poulose@arm.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"Zenghui Yu" <yuzenghui@huawei.com>,
	"Anup Patel" <anup@brainfault.org>,
	"Atish Patra" <atishp@atishpatra.org>,
	"Jing Zhang" <jingzhangos@google.com>,
	"Reiji Watanabe" <reijiw@google.com>,
	"Colton Lewis" <coltonlewis@google.com>,
	"David Matlack" <dmatlack@google.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, "Gavin Shan" <gshan@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Shaoqin Huang" <shahuang@redhat.com>
Subject: Re: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs()
Date: Wed, 2 Aug 2023 09:10:46 -0700	[thread overview]
Message-ID: <ZMqABp6OdrgOtsum@google.com> (raw)
In-Reply-To: <878ratqw2l.wl-maz@kernel.org>

On Wed, Aug 02, 2023, Marc Zyngier wrote:
> On Tue, 01 Aug 2023 01:42:54 +0100,
> Raghavendra Rao Ananta <rananta@google.com> wrote:
> > Thanks for the suggestions; I can go with a common declaration. Along
> > with that, do we want to keep defining
> > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS in the arch code that supports it or
> > convert it into a CONFIG_?
> 
> This isn't something that a user can select, more something that is an
> architectural decision. Maybe in a later patch if there is a consensus
> around that, but probably not as part of this series.

+1.  I agree it's annoying that KVM uses a mix of Kconfigs and manual #defines
for the various "KVM_HAVE" knobs, but we have so many of both that one-off
conversions without a real need don't make much sense.

WARNING: multiple messages have this Message-ID (diff)
From: Sean Christopherson <seanjc@google.com>
To: Marc Zyngier <maz@kernel.org>
Cc: "Raghavendra Rao Ananta" <rananta@google.com>,
	"Oliver Upton" <oliver.upton@linux.dev>,
	"James Morse" <james.morse@arm.com>,
	"Suzuki K Poulose" <suzuki.poulose@arm.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"Zenghui Yu" <yuzenghui@huawei.com>,
	"Anup Patel" <anup@brainfault.org>,
	"Atish Patra" <atishp@atishpatra.org>,
	"Jing Zhang" <jingzhangos@google.com>,
	"Reiji Watanabe" <reijiw@google.com>,
	"Colton Lewis" <coltonlewis@google.com>,
	"David Matlack" <dmatlack@google.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, "Gavin Shan" <gshan@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Shaoqin Huang" <shahuang@redhat.com>
Subject: Re: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs()
Date: Wed, 2 Aug 2023 09:10:46 -0700	[thread overview]
Message-ID: <ZMqABp6OdrgOtsum@google.com> (raw)
In-Reply-To: <878ratqw2l.wl-maz@kernel.org>

On Wed, Aug 02, 2023, Marc Zyngier wrote:
> On Tue, 01 Aug 2023 01:42:54 +0100,
> Raghavendra Rao Ananta <rananta@google.com> wrote:
> > Thanks for the suggestions; I can go with a common declaration. Along
> > with that, do we want to keep defining
> > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS in the arch code that supports it or
> > convert it into a CONFIG_?
> 
> This isn't something that a user can select, more something that is an
> architectural decision. Maybe in a later patch if there is a consensus
> around that, but probably not as part of this series.

+1.  I agree it's annoying that KVM uses a mix of Kconfigs and manual #defines
for the various "KVM_HAVE" knobs, but we have so many of both that one-off
conversions without a real need don't make much sense.

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

WARNING: multiple messages have this Message-ID (diff)
From: Sean Christopherson <seanjc@google.com>
To: Marc Zyngier <maz@kernel.org>
Cc: "Raghavendra Rao Ananta" <rananta@google.com>,
	"Oliver Upton" <oliver.upton@linux.dev>,
	"James Morse" <james.morse@arm.com>,
	"Suzuki K Poulose" <suzuki.poulose@arm.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"Zenghui Yu" <yuzenghui@huawei.com>,
	"Anup Patel" <anup@brainfault.org>,
	"Atish Patra" <atishp@atishpatra.org>,
	"Jing Zhang" <jingzhangos@google.com>,
	"Reiji Watanabe" <reijiw@google.com>,
	"Colton Lewis" <coltonlewis@google.com>,
	"David Matlack" <dmatlack@google.com>,
	linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
	linux-mips@vger.kernel.org, kvm-riscv@lists.infradead.org,
	linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, "Gavin Shan" <gshan@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Shaoqin Huang" <shahuang@redhat.com>
Subject: Re: [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs()
Date: Wed, 2 Aug 2023 09:10:46 -0700	[thread overview]
Message-ID: <ZMqABp6OdrgOtsum@google.com> (raw)
In-Reply-To: <878ratqw2l.wl-maz@kernel.org>

On Wed, Aug 02, 2023, Marc Zyngier wrote:
> On Tue, 01 Aug 2023 01:42:54 +0100,
> Raghavendra Rao Ananta <rananta@google.com> wrote:
> > Thanks for the suggestions; I can go with a common declaration. Along
> > with that, do we want to keep defining
> > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS in the arch code that supports it or
> > convert it into a CONFIG_?
> 
> This isn't something that a user can select, more something that is an
> architectural decision. Maybe in a later patch if there is a consensus
> around that, but probably not as part of this series.

+1.  I agree it's annoying that KVM uses a mix of Kconfigs and manual #defines
for the various "KVM_HAVE" knobs, but we have so many of both that one-off
conversions without a real need don't make much sense.

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

  reply	other threads:[~2023-08-02 16:10 UTC|newest]

Thread overview: 228+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-22  2:22 [PATCH v7 00/12] KVM: arm64: Add support for FEAT_TLBIRANGE Raghavendra Rao Ananta
2023-07-22  2:22 ` Raghavendra Rao Ananta
2023-07-22  2:22 ` Raghavendra Rao Ananta
2023-07-22  2:22 ` Raghavendra Rao Ananta
2023-07-22  2:22 ` [PATCH v7 01/12] KVM: Rename kvm_arch_flush_remote_tlb() to kvm_arch_flush_remote_tlbs() Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-27 10:24   ` Marc Zyngier
2023-07-27 10:24     ` Marc Zyngier
2023-07-27 10:24     ` Marc Zyngier
2023-07-27 10:24     ` Marc Zyngier
2023-07-31 17:21     ` Raghavendra Rao Ananta
2023-07-31 17:21       ` Raghavendra Rao Ananta
2023-07-31 17:21       ` Raghavendra Rao Ananta
2023-07-31 17:21       ` Raghavendra Rao Ananta
2023-07-31 21:42       ` Sean Christopherson
2023-07-31 21:42         ` Sean Christopherson
2023-07-31 21:42         ` Sean Christopherson
2023-07-31 21:42         ` Sean Christopherson
2023-08-01  0:42         ` Raghavendra Rao Ananta
2023-08-01  0:42           ` Raghavendra Rao Ananta
2023-08-01  0:42           ` Raghavendra Rao Ananta
2023-08-01  0:42           ` Raghavendra Rao Ananta
2023-08-02 15:54           ` Marc Zyngier
2023-08-02 15:54             ` Marc Zyngier
2023-08-02 15:54             ` Marc Zyngier
2023-08-02 15:54             ` Marc Zyngier
2023-08-02 16:10             ` Sean Christopherson [this message]
2023-08-02 16:10               ` Sean Christopherson
2023-08-02 16:10               ` Sean Christopherson
2023-08-02 16:10               ` Sean Christopherson
2023-08-02 23:30               ` Raghavendra Rao Ananta
2023-08-02 23:30                 ` Raghavendra Rao Ananta
2023-08-02 23:30                 ` Raghavendra Rao Ananta
2023-08-02 23:30                 ` Raghavendra Rao Ananta
2023-07-22  2:22 ` [PATCH v7 02/12] KVM: arm64: Use kvm_arch_flush_remote_tlbs() Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-24  9:13   ` Shaoqin Huang
2023-07-24  9:13     ` Shaoqin Huang
2023-07-24  9:13     ` Shaoqin Huang
2023-07-27 10:25   ` Marc Zyngier
2023-07-27 10:25     ` Marc Zyngier
2023-07-27 10:25     ` Marc Zyngier
2023-07-27 10:25     ` Marc Zyngier
2023-07-31 21:50     ` Sean Christopherson
2023-07-31 21:50       ` Sean Christopherson
2023-07-31 21:50       ` Sean Christopherson
2023-07-31 21:50       ` Sean Christopherson
2023-08-02 15:55       ` Marc Zyngier
2023-08-02 15:55         ` Marc Zyngier
2023-08-02 15:55         ` Marc Zyngier
2023-08-02 15:55         ` Marc Zyngier
2023-08-02 23:28         ` Raghavendra Rao Ananta
2023-08-02 23:28           ` Raghavendra Rao Ananta
2023-08-02 23:28           ` Raghavendra Rao Ananta
2023-08-02 23:28           ` Raghavendra Rao Ananta
2023-08-04 18:19           ` Raghavendra Rao Ananta
2023-08-04 18:19             ` Raghavendra Rao Ananta
2023-08-04 18:19             ` Raghavendra Rao Ananta
2023-08-04 18:19             ` Raghavendra Rao Ananta
2023-08-08 15:07             ` Sean Christopherson
2023-08-08 15:07               ` Sean Christopherson
2023-08-08 15:07               ` Sean Christopherson
2023-08-08 15:07               ` Sean Christopherson
2023-08-08 16:19               ` Raghavendra Rao Ananta
2023-08-08 16:19                 ` Raghavendra Rao Ananta
2023-08-08 16:19                 ` Raghavendra Rao Ananta
2023-08-08 16:19                 ` Raghavendra Rao Ananta
2023-08-08 16:43                 ` Marc Zyngier
2023-08-08 16:43                   ` Marc Zyngier
2023-08-08 16:43                   ` Marc Zyngier
2023-08-08 16:43                   ` Marc Zyngier
2023-08-08 16:46                   ` Raghavendra Rao Ananta
2023-08-08 16:46                     ` Raghavendra Rao Ananta
2023-08-08 16:46                     ` Raghavendra Rao Ananta
2023-08-08 16:46                     ` Raghavendra Rao Ananta
2023-07-22  2:22 ` [PATCH v7 03/12] KVM: Remove CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-24  9:13   ` Shaoqin Huang
2023-07-24  9:13     ` Shaoqin Huang
2023-07-24  9:13     ` Shaoqin Huang
2023-07-22  2:22 ` [PATCH v7 04/12] KVM: Allow range-based TLB invalidation from common code Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-31 21:55   ` Sean Christopherson
2023-07-31 21:55     ` Sean Christopherson
2023-07-31 21:55     ` Sean Christopherson
2023-07-31 21:55     ` Sean Christopherson
2023-08-01  0:39     ` Raghavendra Rao Ananta
2023-08-01  0:39       ` Raghavendra Rao Ananta
2023-08-01  0:39       ` Raghavendra Rao Ananta
2023-08-01  0:39       ` Raghavendra Rao Ananta
2023-08-07  4:06   ` Anup Patel
2023-08-07  4:06     ` Anup Patel
2023-08-07  4:06     ` Anup Patel
2023-08-07  4:06     ` Anup Patel
2023-07-22  2:22 ` [PATCH v7 05/12] KVM: Move kvm_arch_flush_remote_tlbs_memslot() to " Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-27 10:53   ` Marc Zyngier
2023-07-27 10:53     ` Marc Zyngier
2023-07-27 10:53     ` Marc Zyngier
2023-07-27 10:53     ` Marc Zyngier
2023-07-31 17:30     ` Raghavendra Rao Ananta
2023-07-31 17:30       ` Raghavendra Rao Ananta
2023-07-31 17:30       ` Raghavendra Rao Ananta
2023-07-31 17:30       ` Raghavendra Rao Ananta
2023-08-07  4:06   ` Anup Patel
2023-08-07  4:06     ` Anup Patel
2023-08-07  4:06     ` Anup Patel
2023-08-07  4:06     ` Anup Patel
2023-07-22  2:22 ` [PATCH v7 06/12] arm64: tlb: Refactor the core flush algorithm of __flush_tlb_range Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-27 10:58   ` Marc Zyngier
2023-07-27 10:58     ` Marc Zyngier
2023-07-27 10:58     ` Marc Zyngier
2023-07-27 10:58     ` Marc Zyngier
2023-07-31 17:36     ` Raghavendra Rao Ananta
2023-07-31 17:36       ` Raghavendra Rao Ananta
2023-07-31 17:36       ` Raghavendra Rao Ananta
2023-07-31 17:36       ` Raghavendra Rao Ananta
2023-08-02 15:58       ` Marc Zyngier
2023-08-02 15:58         ` Marc Zyngier
2023-08-02 15:58         ` Marc Zyngier
2023-08-02 15:58         ` Marc Zyngier
2023-08-02 23:31         ` Raghavendra Rao Ananta
2023-08-02 23:31           ` Raghavendra Rao Ananta
2023-08-02 23:31           ` Raghavendra Rao Ananta
2023-08-02 23:31           ` Raghavendra Rao Ananta
2023-07-22  2:22 ` [PATCH v7 07/12] KVM: arm64: Implement __kvm_tlb_flush_vmid_range() Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-24  9:21   ` Shaoqin Huang
2023-07-24  9:21     ` Shaoqin Huang
2023-07-24  9:21     ` Shaoqin Huang
2023-07-27 12:40   ` Marc Zyngier
2023-07-27 12:40     ` Marc Zyngier
2023-07-27 12:40     ` Marc Zyngier
2023-07-27 12:40     ` Marc Zyngier
2023-07-31 17:45     ` Raghavendra Rao Ananta
2023-07-31 17:45       ` Raghavendra Rao Ananta
2023-07-31 17:45       ` Raghavendra Rao Ananta
2023-07-31 17:45       ` Raghavendra Rao Ananta
2023-07-22  2:22 ` [PATCH v7 08/12] KVM: arm64: Define kvm_tlb_flush_vmid_range() Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-27 12:47   ` Marc Zyngier
2023-07-27 12:47     ` Marc Zyngier
2023-07-27 12:47     ` Marc Zyngier
2023-07-27 12:47     ` Marc Zyngier
2023-07-27 13:01     ` Marc Zyngier
2023-07-27 13:01       ` Marc Zyngier
2023-07-27 13:01       ` Marc Zyngier
2023-07-27 13:01       ` Marc Zyngier
2023-07-31 18:01       ` Raghavendra Rao Ananta
2023-07-31 18:01         ` Raghavendra Rao Ananta
2023-07-31 18:01         ` Raghavendra Rao Ananta
2023-07-31 18:01         ` Raghavendra Rao Ananta
2023-08-02 23:25         ` Marc Zyngier
2023-08-02 23:25           ` Marc Zyngier
2023-08-02 23:25           ` Marc Zyngier
2023-08-02 23:25           ` Marc Zyngier
2023-07-22  2:22 ` [PATCH v7 09/12] KVM: arm64: Implement kvm_arch_flush_remote_tlbs_range() Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-27 12:48   ` Marc Zyngier
2023-07-27 12:48     ` Marc Zyngier
2023-07-27 12:48     ` Marc Zyngier
2023-07-27 12:48     ` Marc Zyngier
2023-07-22  2:22 ` [PATCH v7 10/12] KVM: arm64: Flush only the memslot after write-protect Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22 ` [PATCH v7 11/12] KVM: arm64: Invalidate the table entries upon a range Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22 ` [PATCH v7 12/12] KVM: arm64: Use TLBI range-based intructions for unmap Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-22  2:22   ` Raghavendra Rao Ananta
2023-07-24  9:34   ` Shaoqin Huang
2023-07-24  9:34     ` Shaoqin Huang
2023-07-24  9:34     ` Shaoqin Huang
2023-07-24 16:47     ` Raghavendra Rao Ananta
2023-07-24 16:47       ` Raghavendra Rao Ananta
2023-07-24 16:47       ` Raghavendra Rao Ananta
2023-07-25  2:32       ` Shaoqin Huang
2023-07-25  2:32         ` Shaoqin Huang
2023-07-25  2:32         ` Shaoqin Huang
2023-07-25 17:23         ` Raghavendra Rao Ananta
2023-07-25 17:23           ` Raghavendra Rao Ananta
2023-07-25 17:23           ` Raghavendra Rao Ananta
2023-07-26  4:06           ` Shaoqin Huang
2023-07-26  4:06             ` Shaoqin Huang
2023-07-26  4:06             ` Shaoqin Huang
2023-07-27 13:12   ` Marc Zyngier
2023-07-27 13:12     ` Marc Zyngier
2023-07-27 13:12     ` Marc Zyngier
2023-07-27 13:12     ` Marc Zyngier
2023-07-31 18:26     ` Raghavendra Rao Ananta
2023-07-31 18:26       ` Raghavendra Rao Ananta
2023-07-31 18:26       ` Raghavendra Rao Ananta
2023-07-31 18:26       ` Raghavendra Rao Ananta
2023-08-02 23:28       ` Marc Zyngier
2023-08-02 23:28         ` Marc Zyngier
2023-08-02 23:28         ` Marc Zyngier
2023-08-02 23:28         ` Marc Zyngier
2023-08-02 23:33         ` Raghavendra Rao Ananta
2023-08-02 23:33           ` Raghavendra Rao Ananta
2023-08-02 23:33           ` Raghavendra Rao Ananta
2023-08-02 23:33           ` Raghavendra Rao Ananta
2023-07-31 21:57 ` [PATCH v7 00/12] KVM: arm64: Add support for FEAT_TLBIRANGE Sean Christopherson
2023-07-31 21:57   ` Sean Christopherson
2023-07-31 21:57   ` Sean Christopherson
2023-07-31 21:57   ` Sean Christopherson

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