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From:   Gary Guo <gary@garyguo.net>
To:     Anup Patel <Anup.Patel@wdc.com>
CC:     Palmer Dabbelt <palmer@sifive.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Christoph Hellwig <hch@infradead.org>,
        Atish Patra <Atish.Patra@wdc.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        "linux-riscv@lists.infradead.org" <linux-riscv@lists.infradead.org>,
        Christoph Hellwig <hch@lst.de>
Subject: RE: [PATCH] RISC-V: Always compile mm/init.c with cmodel=medany
Thread-Topic: [PATCH] RISC-V: Always compile mm/init.c with cmodel=medany
Thread-Index: AQHU4jHpL1gWnGWPrEKT6h8SWH7WMKYbJa+A
Date:   Sun, 24 Mar 2019 19:14:42 +0000
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References: <20190324110804.68555-1-anup.patel@wdc.com>
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> -----Original Message-----
> From: linux-riscv <linux-riscv-bounces@lists.infradead.org> On Behalf Of =
Anup
> Patel
> Sent: Sunday, March 24, 2019 11:08
> To: Palmer Dabbelt <palmer@sifive.com>; Albert Ou <aou@eecs.berkeley.edu>
> Cc: Anup Patel <Anup.Patel@wdc.com>; linux-kernel@vger.kernel.org; Mike
> Rapoport <rppt@linux.ibm.com>; Christoph Hellwig <hch@infradead.org>; Ati=
sh
> Patra <Atish.Patra@wdc.com>; Paul Walmsley <paul.walmsley@sifive.com>;
> linux-riscv@lists.infradead.org; Christoph Hellwig <hch@lst.de>
> Subject: [PATCH] RISC-V: Always compile mm/init.c with cmodel=3Dmedany
>=20
> 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 +=3D fault.o
>  obj-y +=3D extable.o
>  obj-y +=3D ioremap.o
>  obj-y +=3D cacheflush.o
> +
> +CFLAGS_init.o :=3D -mcmodel=3Dmedany

I think you should also remove CFLAGS_setup.o from kernel/Makefile, as I th=
ink 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 i=
n the same patch. Disclaimer: I haven't tested it.