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From: Paul Walmsley <paul.walmsley@sifive.com>
To: Alistair Francis <Alistair.Francis@wdc.com>
Cc: "anup@brainfault.org" <anup@brainfault.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Atish Patra <Atish.Patra@wdc.com>,
	"linux-riscv@lists.infradead.org"
	<linux-riscv@lists.infradead.org>,
	"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
	"hch@lst.de" <hch@lst.de>
Subject: Re: [GIT PULL] Second set of RISC-V updates for v5.5-rc1
Date: Wed, 4 Dec 2019 11:38:49 -0800 (PST)
Message-ID: <alpine.DEB.2.21.9999.1912041128400.186402@viisi.sifive.com> (raw)
In-Reply-To: <9044bad02aa6553cdb2523294500b50fccf3fd2a.camel@wdc.com>

Alistair, Anup,

On Wed, 4 Dec 2019, Alistair Francis wrote:

> On Wed, 2019-12-04 at 18:22 +0530, Anup Patel wrote:
>
> > I had commented on your patch but my comments are still
> > not addressed.
> > 
> > Various debug options enabled by this patch have performance
> > impact. Instead of enabling these debug options in primary
> > defconfigs, I suggest to have separate debug defconfigs with
> > these options enabled.
> 
> +1
> 
> OE uses the defconfig (as I'm sure other distros do) and slowing down
> users seems like a bad idea.

While I respect your points of view, our defconfigs are oriented towards 
kernel developers.  This is particularly important when right now the only 
RISC-V hardware on the market are test chips.  Our expectation is that 
distros and benchmarkers will create their own Kconfigs for their needs.

Going forward, we'll probably add a few more validation and debug options, 
as Palmer suggested during the patch discussion.


- Paul


  reply index

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-04  8:52 Paul Walmsley
2019-12-04 12:52 ` Anup Patel
2019-12-04 18:38   ` Alistair Francis
2019-12-04 19:38     ` Paul Walmsley [this message]
2019-12-04 19:50       ` Alistair Francis
2019-12-04 23:46         ` Anup Patel
2019-12-05  2:54         ` Paul Walmsley
2019-12-05  3:58           ` Alistair Francis
2019-12-05  5:35             ` David Abdurachmanov
2019-12-05 13:19               ` Anup Patel
2019-12-05 23:12             ` Paul Walmsley
2019-12-05 23:35               ` Alistair Francis
2019-12-05 23:46                 ` Alistair Francis
2019-12-06 21:12                   ` Carlos Eduardo de Paula
2019-12-06 21:15                     ` Anup Patel
2019-12-06 21:21                       ` Carlos Eduardo de Paula
2019-12-06 21:22                       ` Linus Torvalds
2019-12-04 19:25 ` pr-tracker-bot

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