linux-kernel - Re: [PATCH] riscv: kbuild: drop CONFIG_RISCV_ISA

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 12 Aug 2019 08:03:48 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Charles Papon <charles.papon.90@...il.com>
Cc:     Bin Meng <bmeng.cn@...il.com>, Atish Patra <atish.patra@....com>,
        linux-riscv <linux-riscv@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>
Subject: Re: [PATCH] riscv: kbuild: drop CONFIG_RISCV_ISA_C

On Thu, Aug 08, 2019 at 02:18:53PM +0200, Charles Papon wrote:
> Please do not drop it.
> 
> Compressed instruction extension has some specific overhead in small
> RISC-V FPGA softcore, especialy in the ones which can't implement the
> register file read in a asynchronous manner because of the FPGA
> technology.
> What are reasons to enforce RVC ?

Because it it the unix platform baseline as stated in the patch.