Hey Alex,
On Tue, Jan 31, 2023 at 04:11:14PM +0100, Alexandre Ghiti wrote:
> This new version gets rid of the limitation that prevented KASAN kernels
> to use the newly introduced parameters.
What's the base commit for this version?
Fails to apply for me on top of for-next, fixes, rc1, and linux-next :/
I also tried it on top of your KASAN series, but no luck there either!
Thanks,
Conor.
> While looking into KASLR, I fell onto commit aacd149b6238 ("arm64: head:
> avoid relocating the kernel twice for KASLR"): it allows to use the fdt
> functions very early in the boot process with KASAN enabled by simply
> compiling a new version of those functions without instrumentation.
>
> I had to change the handling of the command line parsing to make the
> code self-contained in kernel/pi/cmd_early.c to avoid calling too many
> __pi prefixed functions from outside this file.
>
> I'll use this approach like arm64 to handle the extraction of the random
> seedi from the device tree for KASLR.
>
> @Ard: I copied the "pi" name but I have to admit I don't know what it
> means.
>
> Alexandre Ghiti (1):
> riscv: Allow to downgrade paging mode from the command line
>
> .../admin-guide/kernel-parameters.txt | 5 +-
> arch/riscv/kernel/Makefile | 2 +
> arch/riscv/kernel/pi/Makefile | 34 ++++++++++++
> arch/riscv/kernel/pi/cmdline_early.c | 52 +++++++++++++++++++
> arch/riscv/lib/memcpy.S | 2 +
> arch/riscv/lib/memmove.S | 2 +
> arch/riscv/mm/init.c | 36 ++++++++++---
> 7 files changed, 126 insertions(+), 7 deletions(-)
> create mode 100644 arch/riscv/kernel/pi/Makefile
> create mode 100644 arch/riscv/kernel/pi/cmdline_early.c
>
> --
> 2.37.2
>
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