On 26.07.19 15:59, Ralf Ramsauer wrote:
> Hi,
> 
> this is a follow up of a recent discussion: Let's convert the pio_bitmap
> to a pio_whitelist.
> 
> It supports readability (no more bit fiddling), writeability (no more
> bit fiddling), reduces the size of cell configs (per-config reduction of
> almost 8kiB), and generally, it's more Jailhouse-like than the
> blacklist-like former pio_bitmap.
> 
> This series first cleans up and consolidates a few spots, and then
> switches to the whitelist. Logically the series is pretty straight
> forward, still, there's one little trade-off: vcpu_cell_exit. We have
> some more complexity there.
> 
> But hey, look at the diffstat!
> 
>   Ralf
> 
> since v2:
>   - Remove .pio_bitmap from ARM64 configs
>   - s/pio_bitmap_size/num_pio_regions/ in jailhouse-cell-linux
> 
> since v1:
>   - rebase on upstream next, respect integrated changes
>   - refactor jailhouse_pio_whitelist to jailhouse_pio
>   - more consolidation!
> 
> Ralf Ramsauer (5):
>   configs: arm64: don't set .pio_bitmap_size
>   x86: drop vcpu_vendor_get_cell_io_bitmap and struct vcpu_io_bitmap
>   cell-config: introduce pio_whitelist structure and helpers
>   x86: pio: use a whitelist instead of a permission bitmap
>   tools: update config generator
> 
>  configs/arm64/amd-seattle-gic-demo.c        |   1 -
>  configs/arm64/amd-seattle-uart-demo.c       |   1 -
>  configs/arm64/espressobin-gic-demo.c        |   1 -
>  configs/arm64/foundation-v8-gic-demo.c      |   1 -
>  configs/arm64/foundation-v8-linux-demo.c    |   1 -
>  configs/arm64/foundation-v8-uart-demo.c     |   1 -
>  configs/arm64/hikey-gic-demo.c              |   1 -
>  configs/arm64/imx8mq-gic-demo.c             |   1 -
>  configs/arm64/k3-am654-gic-demo.c           |   1 -
>  configs/arm64/k3-am654-uart-demo.c          |   1 -
>  configs/arm64/macchiatobin-gic-demo.c       |   1 -
>  configs/arm64/miriac-sbc-ls1046a-gic-demo.c |   1 -
>  configs/arm64/qemu-arm64-gic-demo.c         |   1 -
>  configs/arm64/ultra96-gic-demo.c            |   1 -
>  configs/arm64/zynqmp-zcu102-gic-demo.c      |   1 -
>  configs/x86/apic-demo.c                     |  16 ++--
>  configs/x86/e1000-demo.c                    |  19 ++--
>  configs/x86/f2a88xm-hd3.c                   |  27 +++---
>  configs/x86/imb-a180.c                      |  27 +++---
>  configs/x86/ioapic-demo.c                   |  22 ++---
>  configs/x86/ivshmem-demo.c                  |  13 +--
>  configs/x86/linux-x86-demo.c                |  16 ++--
>  configs/x86/pci-demo.c                      |  16 ++--
>  configs/x86/qemu-x86.c                      |  41 +++-----
>  configs/x86/smp-demo.c                      |  16 ++--
>  configs/x86/tiny-demo.c                     |  16 ++--
>  hypervisor/arch/x86/include/asm/vcpu.h      |   7 --
>  hypervisor/arch/x86/svm.c                   |   7 --
>  hypervisor/arch/x86/vcpu.c                  | 100 +++++++++++---------
>  hypervisor/arch/x86/vmx.c                   |   7 --
>  include/jailhouse/cell-config.h             |  28 ++++--
>  tools/jailhouse-cell-linux                  |   4 +-
>  tools/jailhouse-hardware-check              |   2 +-
>  tools/root-cell-config.c.tmpl               |  22 ++---
>  34 files changed, 175 insertions(+), 246 deletions(-)
> 

Thanks, merged to next with minor adjustments as commented on the patches.

Jan

-- 
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux

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