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From: Christoph Hellwig <hch@infradead.org>
To: Charles Papon <charles.papon.90@gmail.com>
Cc: Atish Patra <atish.patra@wdc.com>,
	linux-riscv <linux-riscv@lists.infradead.org>,
	Bin Meng <bmeng.cn@gmail.com>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Paul Walmsley <paul.walmsley@sifive.com>
Subject: Re: [PATCH] riscv: kbuild: drop CONFIG_RISCV_ISA_C
Date: Mon, 12 Aug 2019 08:03:48 -0700	[thread overview]
Message-ID: <20190812150348.GH26897@infradead.org> (raw)
In-Reply-To: <CAMabmMJ3beMcs38Boe11qcsQvqY+9u=2OqA0vCSKdL=n-cK9GQ@mail.gmail.com>

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.

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  reply	other threads:[~2019-08-12 15:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-07  2:30 [PATCH] riscv: kbuild: drop CONFIG_RISCV_ISA_C Paul Walmsley
2019-08-07  6:49 ` Christoph Hellwig
2019-08-07 12:28 ` Bin Meng
2019-08-08 12:18   ` Charles Papon
2019-08-12 15:03     ` Christoph Hellwig [this message]
2019-08-12 19:49       ` Darius Rad
2019-08-12 22:18       ` Charles Papon
2019-08-13  6:59         ` Christoph Hellwig
2019-08-31  2:04         ` Paul Walmsley

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