linux-kernel - Re: [PATCH v4 2/3] RISC-V: Add interrupt related SCAUSE defines in asm/csr.h

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Message-ID: <20190425080117.GA3575@infradead.org>
Date:   Thu, 25 Apr 2019 01:01:17 -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 v4 2/3] RISC-V: Add interrupt related SCAUSE defines in
 asm/csr.h

On Thu, Apr 25, 2019 at 12:46:52PM +0530, Anup Patel wrote:
> On Thu, Apr 25, 2019 at 11:28 AM Christoph Hellwig <hch@...radead.org> wrote:
> >
> > > +#ifdef CONFIG_64BIT
> > > +#define SCAUSE_IRQ_FLAG              _AC(0x8000000000000000, UL)
> > > +#else
> > > +#define SCAUSE_IRQ_FLAG              _AC(0x80000000, UL)
> > > +#endif
> >
> > Please keep the existing defintion that doesn't need an ifdef..
> 
> Sure, will do.

While we're at it: I don't think we need both INTERRUPT_CAUSE_FLAG and
SCAUSE_IRQ_FLAG.