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    SubjectRe: [PATCH v6 0/5] riscv: Introduce KASLR
    Hey Alex,

    On Sat, Jul 22, 2023 at 02:38:45PM +0200, Alexandre Ghiti wrote:
    > The following KASLR implementation allows to randomize the kernel mapping:
    >
    > - virtually: we expect the bootloader to provide a seed in the device-tree
    > - physically: only implemented in the EFI stub, it relies on the firmware to
    > provide a seed using EFI_RNG_PROTOCOL. arm64 has a similar implementation
    > hence the patch 3 factorizes KASLR related functions for riscv to take
    > advantage.
    >
    > The new virtual kernel location is limited by the early page table that only
    > has one PUD and with the PMD alignment constraint, the kernel can only take
    > < 512 positions.

    I gave this all a go today, it seems to do what it it says on the tin,
    and crashing my kernel does dump out an offset etc.

    Tested-by: Conor Dooley <conor.dooley@microchip.com>

    I'll hopefully get some time later in the week to go through the code.

    Cheers,
    Conor.

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