linux-kernel - Re: [PATCH v3 2/3] RISC-V: Add interrupt related SCAUSE defines in asm/csr.h

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Date:   Wed, 24 Apr 2019 08:01:35 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Anup Patel <anup@...infault.org>
Cc:     Christoph Hellwig <hch@...radead.org>,
        Palmer Dabbelt <palmer@...ive.com>,
        Anup Patel <Anup.Patel@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Atish Patra <Atish.Patra@....com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v3 2/3] RISC-V: Add interrupt related SCAUSE defines in
 asm/csr.h

On Wed, Apr 24, 2019 at 12:15:45PM +0530, Anup Patel wrote:
> We need these defines for programming HIDELEG CSR in KVM kernel module
> so it will be used at multiple places.
> 
> >
> > http://git.infradead.org/users/hch/misc.git/commitdiff/1221f5c32345ebe7ea2c1cd6e8a01ad4b422aaba
> 
> You can certainly use these defines in your nommu commit by using
> "#ifdef CONFIG_M_MODE" in switch case of do_IRQ().

Or just keep them in the current format even when you move them, as
that allows everything to work with a single ifdef at their point
of declaration..