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Date: Thu, 11 Jan 2024 13:28:09 +0100
From: Andrew Jones <ajones@ventanamicro.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: Sunil V L <sunilvl@ventanamicro.com>, linux-acpi@vger.kernel.org, 
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-riscv@lists.infradead.org, 
	"Rafael J . Wysocki" <rafael@kernel.org>, Len Brown <lenb@kernel.org>, Anup Patel <anup@brainfault.org>, 
	Daniel Lezcano <daniel.lezcano@linaro.org>, Paul Walmsley <paul.walmsley@sifive.com>, 
	Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, 
	Conor Dooley <conor@kernel.org>, Atish Kumar Patra <atishp@rivosinc.com>
Subject: Re: Re: [PATCH -next 1/2] ACPI: Enable ACPI_PROCESSOR for RISC-V
Message-ID: <20240111-e3a13157f1869342e2c8e942@orel>
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On Thu, Jan 11, 2024 at 12:16:06PM +0000, Sudeep Holla wrote:
> On Thu, Jan 11, 2024 at 11:00:12AM +0100, Andrew Jones wrote:
> 
> [...]
> 
> > Also, interestingly, it looks like this ancient line
> >
> >  obj-$(CONFIG_ACPI_PROCESSOR)    += processor.o
> >
> > in drivers/acpi/Makefile should be removed,
> 
> No
> 
> > since there's no drivers/acpi/processor.c file.
> 
> Correct, but ..
> 
> > I guess the make process silently filters object files which don't have
> > corresponding source files?
> 
> May be, but I doubt if that is the case here.
> 
> processor.o is just aggregation of all processor_*.o and this will be
> the processor.ko when built as a module.

Oh, I see. I had tried looking for a processor.o after building, to see if
it was something like that, but it still didn't appear. It didn't occur to
me to also try ACPI_PROCESSOR as a module.

I'll go put my head in some sand now.

Thanks,
drew