linux-kernel - Re: [PATCH 0/6] riscv: Relocatable NOMMU kernels

Open Source and information security mailing list archives

Message-ID: <CAJFTR8Q_7PfCx7TeTWgALdc=M43bvx1LnEdLv_5SzU1wvWqWXw@mail.gmail.com>
Date: Mon, 6 Jan 2025 22:24:10 -0500
From: Jesse T <mr.bossman075@...il.com>
To: Samuel Holland <samuel.holland@...ive.com>
Cc: Palmer Dabbelt <palmer@...belt.com>, linux-kernel@...r.kernel.org, 
	linux-riscv@...ts.infradead.org, Andrew Morton <akpm@...ux-foundation.org>, 
	Arnd Bergmann <arnd@...db.de>, Alexandre Ghiti <alexghiti@...osinc.com>
Subject: Re: [PATCH 0/6] riscv: Relocatable NOMMU kernels

On Sat, Oct 26, 2024 at 1:16 PM Samuel Holland
<samuel.holland@...ive.com> wrote:
>
> Currently, RISC-V NOMMU kernels are linked at CONFIG_PAGE_OFFSET, and
> since they are not relocatable, must be loaded at this address as well.
> CONFIG_PAGE_OFFSET is not a user-visible Kconfig option, so its value is
> not obvious, and users must patch the kernel source if they want to load
> it at a different address.
>
> Make NOMMU kernels more portable by making them relocatable by default.
> This allows a single kernel binary to work when loaded at any address.
>
>
> Samuel Holland (6):
>   riscv: Remove duplicate CONFIG_PAGE_OFFSET definition
>   riscv: Allow NOMMU kernels to access all of RAM
>   riscv: Support CONFIG_RELOCATABLE on NOMMU
>   asm-generic: Always define Elf_Rel and Elf_Rela
>   riscv: Support CONFIG_RELOCATABLE on riscv32
>   riscv: Remove CONFIG_PAGE_OFFSET
>
>  arch/riscv/Kconfig               | 10 +---
>  arch/riscv/Makefile              |  1 -
>  arch/riscv/include/asm/page.h    | 27 ++++-----
>  arch/riscv/include/asm/pgtable.h |  6 +-
>  arch/riscv/mm/init.c             | 97 ++++++++++++++++----------------
>  include/asm-generic/module.h     |  8 ---
>  6 files changed, 68 insertions(+), 81 deletions(-)
>
> --
> 2.45.1
>
>
> _______________________________________________
> linux-riscv mailing list
> linux-riscv@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-riscv

Any update on this?

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives