[PATCH v2 00/20] KVM: arm64: vgic-v3 userspace access consolidation (and other goodies)

[Marc Zyngier]

On Thu, 14 Jul 2022 16:20:04 +0100, Marc Zyngier wrote:
> This is a follow-up to [1], which aims a performing a bunch of
> cleanups in the way we expose sysregs to userspace, with a particular
> focus on the GICv3 part of that code.
> 
> * From v1:
>   - A couple of extra cleanups thanks to Reiji's comments
>   - A fix for the breakage of the legacy GICv2 address setup
>   - Collected RBs from Reiji and Oliver, with thanks.
> 
> [...]

Provisionally applied to -next in order to get some exposure during
-rc7. No garantees I'll keep that in though.

[01/20] KVM: arm64: Add get_reg_by_id() as a sys_reg_desc retrieving helper
        commit: da8d120fbafe1d3217d25ac45493538b37cff87c
[02/20] KVM: arm64: Reorder handling of invariant sysregs from userspace
        commit: 1deeffb559663dc44e4b8a61fe7e271fe3b4b836
[03/20] KVM: arm64: Introduce generic get_user/set_user helpers for system registers
        commit: ba23aec9f4f27c00ac7a504aae60cae8a4087a19
[04/20] KVM: arm64: Rely on index_to_param() for size checks on userspace access
        commit: e48407ff9796529a1e5048b9e4d6ea8a0334468e
[05/20] KVM: arm64: Consolidate sysreg userspace accesses
        commit: 978ceeb3e40a59973ff1d1c3d23484f71f141819
[06/20] KVM: arm64: Get rid of reg_from/to_user()
        commit: 5a420ed9646a934e983358aeba1bf3cd993d1cc5
[07/20] KVM: arm64: vgic-v3: Simplify vgic_v3_has_cpu_sysregs_attr()
        commit: b61fc0857a3ad4cdee44128ad13685033e237367
[08/20] KVM: arm64: vgic-v3: Push user access into vgic_v3_cpu_sysregs_uaccess()
        commit: db25081e147c3cc496b8cd8c9d67f992546df6d5
[09/20] KVM: arm64: vgic-v3: Make the userspace accessors use sysreg API
        commit: cbcf14dd23bcf228eb6061991acf3721506b97ae
[10/20] KVM: arm64: vgic-v3: Convert userspace accessors over to FIELD_GET/FIELD_PREP
        commit: 71c3c7753c722b8b10566dcdf1ff0a2eaf33a9c1
[11/20] KVM: arm64: vgic-v3: Use u32 to manage the line level from userspace
        commit: 38cf0bb7625a58625efeef9ec944671464ff7430
[12/20] KVM: arm64: vgic-v3: Consolidate userspace access for MMIO registers
        commit: e1246f3f2df7aec025fd587ac3d7912007d1144d
[13/20] KVM: arm64: vgic-v2: Consolidate userspace access for MMIO registers
        commit: 7e9f723c2a90e41407d5889700169be4797a2009
[14/20] KVM: arm64: vgic: Use {get, put}_user() instead of copy_{from.to}_user
        commit: d7df6f282db67677c06456fd29d47eda0ba060b9
[15/20] KVM: arm64: vgic-v2: Add helper for legacy dist/cpuif base address setting
        commit: 9f968c9266aa30b0e81be0c6a560e45b93bed3dc
[16/20] KVM: arm64: vgic: Consolidate userspace access for base address setting
        commit: 4b85080f4e378f617f88964dec94fd282bcf2af4
[17/20] KVM: arm64: vgic: Tidy-up calls to vgic_{get,set}_common_attr()
        commit: 619064afa9b6f0088b86a1fed20c049cfe94cdf7
[18/20] KVM: arm64: Get rid of find_reg_by_id()
        commit: f6dddbb25572218d2e8ab93bfdad20cddeb99b5a
[19/20] KVM: arm64: Descope kvm_arm_sys_reg_{get,set}_reg()
        commit: c5332898dc35bbed7d3aa02b491e3388315ee481
[20/20] KVM: arm64: Get rid or outdated comments
        commit: 4274d42716d87d5301fdf67eb799e7db08fe73de

Cheers,

	M.
-- 
Marc Zyngier <maz at kernel.org>