Re: [PATCH kvmtool v3 00/22] Unify I/O port and MMIO trap handling

From: Will Deacon <will@kernel.org>
To: Julien Thierry <julien.thierry.kdev@gmail.com>,
	Andre Przywara <andre.przywara@arm.com>
Cc: catalin.marinas@arm.com, kernel-team@android.com,
	Will Deacon <will@kernel.org>,
	kvmarm@lists.cs.columbia.edu, Sami Mujawar <sami.mujawar@arm.com>,
	Marc Zyngier <maz@kernel.org>,
	kvm@vger.kernel.org, Alexandru Elisei <alexandru.elisei@arm.com>
Subject: Re: [PATCH kvmtool v3 00/22] Unify I/O port and MMIO trap handling
Date: Thu, 18 Mar 2021 10:04:55 +0000	[thread overview]
Message-ID: <161606068634.550587.17439092982108275200.b4-ty@kernel.org> (raw)
In-Reply-To: <20210315153350.19988-1-andre.przywara@arm.com>

On Mon, 15 Mar 2021 15:33:28 +0000, Andre Przywara wrote:
> this version is addressing Alexandru's comments, fixing mostly minor
> issues in the naming scheme. The biggest change is to keep the
> ioport__read/ioport_write wrappers for the serial device.
> For more details see the changelog below.
> ==============
> 
> At the moment we use two separate code paths to handle exits for
> KVM_EXIT_IO (ioport.c) and KVM_EXIT_MMIO (mmio.c), even though they
> are semantically very similar. Because the trap handler callback routine
> is different, devices need to decide on one conduit or need to provide
> different handler functions for both of them.
> 
> [...]

Applied to kvmtool (master), thanks!

[01/22] ioport: Remove ioport__setup_arch()
        https://git.kernel.org/will/kvmtool/c/97531eb2ca70
[02/22] hw/serial: Use device abstraction for FDT generator function
        https://git.kernel.org/will/kvmtool/c/a81be31eee6e
[03/22] ioport: Retire .generate_fdt_node functionality
        https://git.kernel.org/will/kvmtool/c/9bc7e2ce343e
[04/22] mmio: Extend handling to include ioport emulation
        https://git.kernel.org/will/kvmtool/c/96f0c86ce221
[05/22] hw/i8042: Clean up data types
        https://git.kernel.org/will/kvmtool/c/fc7696277b29
[06/22] hw/i8042: Refactor trap handler
        https://git.kernel.org/will/kvmtool/c/f7ef3dc0cd28
[07/22] hw/i8042: Switch to new trap handlers
        https://git.kernel.org/will/kvmtool/c/d24bedb1cc9a
[08/22] x86/ioport: Refactor trap handlers
        https://git.kernel.org/will/kvmtool/c/82304999f936
[09/22] x86/ioport: Switch to new trap handlers
        https://git.kernel.org/will/kvmtool/c/3adbcb235020
[10/22] hw/rtc: Refactor trap handlers
        https://git.kernel.org/will/kvmtool/c/8c45f36430bd
[11/22] hw/rtc: Switch to new trap handler
        https://git.kernel.org/will/kvmtool/c/123ee474b97b
[12/22] hw/vesa: Switch trap handling to use MMIO handler
        https://git.kernel.org/will/kvmtool/c/38ae332ffcec
[13/22] hw/serial: Refactor trap handler
        https://git.kernel.org/will/kvmtool/c/47a510600e08
[14/22] hw/serial: Switch to new trap handlers
        https://git.kernel.org/will/kvmtool/c/59866df60b4b
[15/22] vfio: Refactor ioport trap handler
        https://git.kernel.org/will/kvmtool/c/a4a0dac75469
[16/22] vfio: Switch to new ioport trap handlers
        https://git.kernel.org/will/kvmtool/c/579bc61f8798
[17/22] virtio: Switch trap handling to use MMIO handler
        https://git.kernel.org/will/kvmtool/c/205eaa794be7
[18/22] pci: Switch trap handling to use MMIO handler
        https://git.kernel.org/will/kvmtool/c/1f56b9d10a28
[19/22] Remove ioport specific routines
        https://git.kernel.org/will/kvmtool/c/7e19cb54a7cc
[20/22] arm: Reorganise and document memory map
        https://git.kernel.org/will/kvmtool/c/f01cc778bd65
[21/22] hw/serial: ARM/arm64: Use MMIO at higher addresses
        https://git.kernel.org/will/kvmtool/c/45b4968e0de1
[22/22] hw/rtc: ARM/arm64: Use MMIO at higher addresses
        https://git.kernel.org/will/kvmtool/c/382eaad7b695

Cheers,
-- 
Will

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