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Date:   Sun, 24 Mar 2019 19:14:42 +0000
From:   Gary Guo <gary@...yguo.net>
To:     Anup Patel <Anup.Patel@....com>
CC:     Palmer Dabbelt <palmer@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Mike Rapoport <rppt@...ux.ibm.com>,
        Christoph Hellwig <hch@...radead.org>,
        Atish Patra <Atish.Patra@....com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
        Christoph Hellwig <hch@....de>
Subject: RE: [PATCH] RISC-V: Always compile mm/init.c with cmodel=medany



> -----Original Message-----
> From: linux-riscv <linux-riscv-bounces@...ts.infradead.org> On Behalf Of Anup
> Patel
> Sent: Sunday, March 24, 2019 11:08
> To: Palmer Dabbelt <palmer@...ive.com>; Albert Ou <aou@...s.berkeley.edu>
> Cc: Anup Patel <Anup.Patel@....com>; linux-kernel@...r.kernel.org; Mike
> Rapoport <rppt@...ux.ibm.com>; Christoph Hellwig <hch@...radead.org>; Atish
> Patra <Atish.Patra@....com>; Paul Walmsley <paul.walmsley@...ive.com>;
> linux-riscv@...ts.infradead.org; Christoph Hellwig <hch@....de>
> Subject: [PATCH] RISC-V: Always compile mm/init.c with cmodel=medany
> 
> diff --git a/arch/riscv/mm/Makefile b/arch/riscv/mm/Makefile
> index eb22ab49b3e0..7307609d405b 100644
> --- a/arch/riscv/mm/Makefile
> +++ b/arch/riscv/mm/Makefile
> @@ -3,3 +3,5 @@ obj-y += fault.o
>  obj-y += extable.o
>  obj-y += ioremap.o
>  obj-y += cacheflush.o
> +
> +CFLAGS_init.o := -mcmodel=medany

I think you should also remove CFLAGS_setup.o from kernel/Makefile, as I think it was there solely for the correctness of setup_vm. As setup_vm is now in mm/init.o, the old CFLAGS probably isn't needed and should be removed in the same patch. Disclaimer: I haven't tested it.

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