linux-kernel - Re: [PATCH v2 2/2] riscv: support the elf-fdpic binfmt loader

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Message-ID: <a7885677-68ef-59c8-0639-579a688fcdad@kernel.org>
Date:   Wed, 12 Jul 2023 11:42:40 +1000
From:   Greg Ungerer <gerg@...nel.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     linux-riscv@...ts.infradead.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, palmer@...belt.com,
        viro@...iv.linux.org.uk, ebiederm@...ssion.com, brauner@...nel.org
Subject: Re: [PATCH v2 2/2] riscv: support the elf-fdpic binfmt loader

Hi Kees,

On 12/7/23 01:53, Kees Cook wrote:
> On Tue, Jul 11, 2023 at 11:07:54PM +1000, Greg Ungerer wrote:
>> Add support for enabling and using the binfmt_elf_fdpic program loader
>> on RISC-V platforms. The most important change is to setup registers
>> during program load to pass the mapping addresses to the new process.
>>
>> One of the interesting features of the elf-fdpic loader is that it
>> also allows appropriately compiled ELF format binaries to be loaded on
>> nommu systems. Appropriate being those compiled with -pie.
>>
>> Signed-off-by: Greg Ungerer <gerg@...nel.org>
> 
> ELF stuff looks fine to me. If the RISC-V folks are happy with the rest,
> this looks good.
> 
> Acked-by: Kees Cook <keescook@...omium.org>
> 
> Please feel free to carry this in the RISC-V tree. If you'd rather it go
> via execve tree, please let me know. :)

Thanks for the feedback, much appreciated!

Regards
Greg