linux-kernel - Re: [PATCH RESEND] riscv: Fix local irq restore when flags indicates irq disabled

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Date:   Thu, 3 Aug 2023 16:24:11 +0100
From:   Conor Dooley <conor@...nel.org>
To:     旭路 <luxu.kernel@...edance.com>
Cc:     paul.walmsley@...ive.com, palmer@...belt.com,
        aou@...s.berkeley.edu, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND] riscv: Fix local irq restore when flags indicates
 irq disabled

On Thu, Aug 03, 2023 at 11:20:53PM +0800, 旭路 wrote:
> On Thu, Aug 3, 2023 at 10:36 PM Conor Dooley <conor@...nel.org> wrote:
> >
> > Hey,
> >
> > On Thu, Aug 03, 2023 at 09:28:18PM +0800, Xu Lu wrote:
> > > When arch_local_irq_restore() is called with flags indicating irqs
> > > disabled, we need to clear SR_IE bit in CSR_STATUS, whereas current
> > > implementation based on csr_set() function only sets SR_IE bit of
> > > CSR_STATUS when SR_IE bit of flags is high and does nothing when
> > > SR_IE bit of flags is low.
> > >
> > > This commit supplies csr clear operation when calling irq restore
> > > function with flags indicating irq disabled.
> > >
> > > Fixes: 6d60b6ee0c97 ("RISC-V: Device, timer, IRQs, and the SBI")
> > > Signed-off-by: Xu Lu <luxu.kernel@...edance.com>
> > > ---
> >
> > There's no changelog or explanation, so what is the reason for the
> > resend?
> >
> > Cheers,
> > Conor.
> 
> Sorry for disturbing you.

Nah, tis fine.

> I haven't received any response since the patch was sent last week. I
> think maintainers are busy and thus I want to have a ping. This patch
> was resent because I found it is said that resending patch is one of
> the methods to ping maintainers in this kernel doc:
> https://www.kernel.org/doc/html/latest/process/submitting-patches.html.

Right, resending is a valid way to do that - but leaving a comment about
why you are resending under the --- line is advised so that people know
why it is that you are resending.

Thanks,
Conor.

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