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From: Andreas Schwab <schwab@suse.de>
To: Anup Patel <Anup.Patel@wdc.com>
Cc: Damien Le Moal <Damien.LeMoal@wdc.com>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	Radim K <rkrcmar@redhat.com>, Anup Patel <anup@brainfault.org>,
	Palmer Dabbelt <palmer@sifive.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-riscv@lists.infradead.org"
	<linux-riscv@lists.infradead.org>,
	Christoph Hellwig <hch@infradead.org>,
	Atish Patra <Atish.Patra@wdc.com>,
	Alexander Graf <graf@amazon.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Alistair Francis <Alistair.Francis@wdc.com>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v7 18/21] RISC-V: KVM: Add SBI v0.1 support
Date: Thu, 05 Sep 2019 10:35:12 +0200	[thread overview]
Message-ID: <mvmef0v87jz.fsf@suse.de> (raw)
In-Reply-To: <20190904161245.111924-20-anup.patel@wdc.com> (Anup Patel's message of "Wed, 4 Sep 2019 16:16:02 +0000")

On Sep 04 2019, Anup Patel <Anup.Patel@wdc.com> wrote:

> From: Atish Patra <atish.patra@wdc.com>
>
> The KVM host kernel running in HS-mode needs to handle SBI calls coming
> from guest kernel running in VS-mode.
>
> This patch adds SBI v0.1 support in KVM RISC-V. All the SBI calls are
> implemented correctly except remote tlb flushes. For remote TLB flushes,
> we are doing full TLB flush and this will be optimized in future.

Note that this conflicts with
https://patchwork.kernel.org/patch/11107221/ which removes <asm/sbi.h>
from <asm/tlbflush.h>.  You should probably include that header
explicitly in arch/riscv/kvm/vcpu_sbi.c.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

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WARNING: multiple messages have this Message-ID (diff)
From: Andreas Schwab <schwab@suse.de>
To: Anup Patel <Anup.Patel@wdc.com>
Cc: Palmer Dabbelt <palmer@sifive.com>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Paolo Bonzini <pbonzini@redhat.com>, Radim K <rkrcmar@redhat.com>,
	Damien Le Moal <Damien.LeMoal@wdc.com>,
	"kvm\@vger.kernel.org" <kvm@vger.kernel.org>,
	Anup Patel <anup@brainfault.org>,
	Daniel Lezcano <daniel.lezcano@linaro.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Christoph Hellwig <hch@infradead.org>,
	Atish Patra <Atish.Patra@wdc.com>,
	Alexander Graf <graf@amazon.com>,
	Alistair Francis <Alistair.Francis@wdc.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"linux-riscv\@lists.infradead.org"
	<linux-riscv@lists.infradead.org>
Subject: Re: [PATCH v7 18/21] RISC-V: KVM: Add SBI v0.1 support
Date: Thu, 05 Sep 2019 10:35:12 +0200	[thread overview]
Message-ID: <mvmef0v87jz.fsf@suse.de> (raw)
In-Reply-To: <20190904161245.111924-20-anup.patel@wdc.com> (Anup Patel's message of "Wed, 4 Sep 2019 16:16:02 +0000")

On Sep 04 2019, Anup Patel <Anup.Patel@wdc.com> wrote:

> From: Atish Patra <atish.patra@wdc.com>
>
> The KVM host kernel running in HS-mode needs to handle SBI calls coming
> from guest kernel running in VS-mode.
>
> This patch adds SBI v0.1 support in KVM RISC-V. All the SBI calls are
> implemented correctly except remote tlb flushes. For remote TLB flushes,
> we are doing full TLB flush and this will be optimized in future.

Note that this conflicts with
https://patchwork.kernel.org/patch/11107221/ which removes <asm/sbi.h>
from <asm/tlbflush.h>.  You should probably include that header
explicitly in arch/riscv/kvm/vcpu_sbi.c.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."

  reply	other threads:[~2019-09-05  8:35 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-04 16:13 [PATCH v7 00/21] KVM RISC-V Support Anup Patel
2019-09-04 16:13 ` Anup Patel
2019-09-04 16:13 ` [PATCH v7 01/21] KVM: RISC-V: Add KVM_REG_RISCV for ONE_REG interface Anup Patel
2019-09-04 16:13   ` Anup Patel
2019-09-19 12:37   ` Paul Walmsley
2019-09-19 12:37     ` Paul Walmsley
2019-09-04 16:13 ` [PATCH] RISC-V: Enable KVM for RV64 and RV32 Anup Patel
2019-09-04 16:13   ` Anup Patel
2019-09-04 16:17   ` Anup Patel
2019-09-04 16:17     ` Anup Patel
2019-09-04 16:13 ` [PATCH v7 02/21] RISC-V: Add bitmap reprensenting ISA features common across CPUs Anup Patel
2019-09-04 16:13   ` Anup Patel
2019-09-19 12:56   ` Anup Patel
2019-09-19 12:56     ` Anup Patel
2019-09-21 10:01   ` Paul Walmsley
2019-09-21 10:01     ` Paul Walmsley
2019-09-23  3:39     ` Anup Patel
2019-09-23  3:39       ` Anup Patel
2019-09-23 15:54     ` Alistair Francis
2019-09-23 15:54       ` Alistair Francis
2019-09-04 16:14 ` [PATCH v7 03/21] RISC-V: Export few kernel symbols Anup Patel
2019-09-04 16:14   ` Anup Patel
2019-09-19 12:39   ` Paul Walmsley
2019-09-19 12:39     ` Paul Walmsley
2019-09-04 16:14 ` [PATCH v7 04/21] RISC-V: Add hypervisor extension related CSR defines Anup Patel
2019-09-04 16:14   ` Anup Patel
2019-09-04 16:14 ` [PATCH v7 05/21] RISC-V: Add initial skeletal KVM support Anup Patel
2019-09-04 16:14   ` Anup Patel
2019-09-04 16:14 ` [PATCH v7 06/21] RISC-V: KVM: Implement VCPU create, init and destroy functions Anup Patel
2019-09-04 16:14   ` Anup Patel
2019-09-23  6:44   ` Alexander Graf
2019-09-23  6:44     ` Alexander Graf
2019-09-23 12:37     ` Anup Patel
2019-09-23 12:37       ` Anup Patel
2019-09-04 16:14 ` [PATCH v7 07/21] RISC-V: KVM: Implement VCPU interrupts and requests handling Anup Patel
2019-09-04 16:14   ` Anup Patel
2019-09-04 16:14 ` [PATCH v7 08/21] RISC-V: KVM: Implement KVM_GET_ONE_REG/KVM_SET_ONE_REG ioctls Anup Patel
2019-09-04 16:14   ` Anup Patel
2019-09-23  3:42   ` Anup Patel
2019-09-23  3:42     ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 09/21] RISC-V: KVM: Implement VCPU world-switch Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 10/21] RISC-V: KVM: Handle MMIO exits for VCPU Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-23  6:50   ` Alexander Graf
2019-09-23  6:50     ` Alexander Graf
2019-09-23 11:12   ` Paolo Bonzini
2019-09-23 11:12     ` Paolo Bonzini
2019-09-23 13:09     ` Anup Patel
2019-09-23 13:09       ` Anup Patel
2019-09-23 13:33       ` Paolo Bonzini
2019-09-23 13:33         ` Paolo Bonzini
2019-09-24  5:07         ` Anup Patel
2019-09-24  5:07           ` Anup Patel
2019-10-08 22:44     ` Palmer Dabbelt
2019-10-08 22:44       ` Palmer Dabbelt
2019-10-09  4:58       ` Anup Patel
2019-10-09  4:58         ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 11/21] RISC-V: KVM: Handle WFI " Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-23  6:53   ` Alexander Graf
2019-09-23  6:53     ` Alexander Graf
2019-09-23 12:54     ` Anup Patel
2019-09-23 12:54       ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 12/21] RISC-V: KVM: Implement VMID allocator Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 13/21] RISC-V: KVM: Implement stage2 page table programming Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 14/21] RISC-V: KVM: Implement MMU notifiers Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 15/21] RISC-V: KVM: Add timer functionality Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 16/21] RISC-V: KVM: FP lazy save/restore Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-04 16:15 ` [PATCH v7 17/21] RISC-V: KVM: Implement ONE REG interface for FP registers Anup Patel
2019-09-04 16:15   ` Anup Patel
2019-09-04 16:16 ` [PATCH v7 18/21] RISC-V: KVM: Add SBI v0.1 support Anup Patel
2019-09-04 16:16   ` Anup Patel
2019-09-05  8:35   ` Andreas Schwab [this message]
2019-09-05  8:35     ` Andreas Schwab
2019-09-23  7:01   ` Alexander Graf
2019-09-23  7:01     ` Alexander Graf
2019-09-23 12:59     ` Anup Patel
2019-09-23 12:59       ` Anup Patel
2019-09-04 16:16 ` [PATCH v7 19/21] RISC-V: KVM: Document RISC-V specific parts of KVM API Anup Patel
2019-09-04 16:16   ` Anup Patel
2019-09-04 16:16 ` [PATCH v7 20/21] RISC-V: Enable VIRTIO drivers in RV64 and RV32 defconfig Anup Patel
2019-09-04 16:16   ` Anup Patel
2019-09-19  7:54   ` Paul Walmsley
2019-09-19  7:54     ` Paul Walmsley
2019-09-04 16:16 ` [PATCH v7 21/21] RISC-V: KVM: Add MAINTAINERS entry Anup Patel
2019-09-04 16:16   ` Anup Patel

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