Re: [PATCH] riscv: deprecate CONFIG_MMU=n

From: Jisheng Zhang <jszhang@kernel.org>
To: Charles Lohr <lohr85@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>,
	cleger@rivosinc.com, Conor Dooley <conor@kernel.org>,
	samuel.holland@sifive.com,
	Paul Walmsley <paul.walmsley@sifive.com>,
	aou@eecs.berkeley.edu, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Conor Dooley <conor.dooley@microchip.com>,
	ajones@ventanamicro.com, dlemoal@kernel.org,
	Bjorn Topel <bjorn@rivosinc.com>,
	Atish Patra <atishp@rivosinc.com>
Subject: Re: [PATCH] riscv: deprecate CONFIG_MMU=n
Date: Wed, 27 Mar 2024 11:40:37 +0800	[thread overview]
Message-ID: <ZgOVNYkmXbXVCReV@xhacker> (raw)
In-Reply-To: <CAGu26P-CqdsQzNTNDidBUg=pxU3vs7QhNEajokGKe7p8M2sLBA@mail.gmail.com>

On Tue, Mar 26, 2024 at 06:34:09PM -0700, Charles Lohr wrote:
> Sorry, if you don't mind clarifying, do you know which version you
> used, where you got it, and if you had to apply any patches?

Hi,

rv32 uclibc toolchain is based on gcc12.2, while rv64 uclibc is based on
gcc13.2

I built them with the mainline buildroot, and rv32 toolchain was built
a year ago, I forget whether there was patches applied. I may apply
patches from your mini-rv32ima repo. The rv64 toolchain was built a
month ago, no patch is applied.

Thanks
> 
> Charles
> 
> On Tue, Mar 26, 2024 at 6:28 PM Jisheng Zhang <jszhang@kernel.org> wrote:
> >
> > On Tue, Mar 26, 2024 at 01:25:08PM -0700, Charles Lohr wrote:
> > > Jisheng, are you using musl or uclibc? I've been having difficulty
> > > getting new versions of each working with the newer kernels with
> > > system calls not lining up.
> >
> > Hi Charles,
> >
> > I tested nommu linux with uclibc, both rv32 and rv64
> >
> > Thanks
> >
> > >

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