Re: [PATCH 0/3] ARM: Use generic interface to simplify crashkernel reservation

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On 07/09/24 at 05:50pm, Jinjie Ruan wrote:
> 
> 
> On 2024/7/9 17:29, Baoquan He wrote:
> > On 07/08/24 at 09:33pm, Jinjie Ruan wrote:
> >> Currently, x86, arm64, riscv and loongarch has been switched to generic
> >> crashkernel reservation. Also use generic interface to simplify crashkernel
> >> reservation for arm32, and fix two bugs by the way.
> > 
> > I am not sure if this is a good idea. I added the generic reservation
> > itnerfaces for ARCH which support crashkernel=,high|low and normal
> > crashkernel reservation, with this, the code can be simplified a lot.
> > However, arm32 doesn't support crashkernel=,high, I am not sure if it's
> > worth taking the change, most importantly, if it will cause
> > misunderstanding or misoperation.
> 
> Yes, arm32 doesn't support crashkernel=,high.
> 
> However, a little enhancement to the generic code (please see the first
> patch), the generic reservation interfaces can also be applicable to
> architectures that do not support "high" such as arm32, and it can also
> simplify the code (please see the third patch).

Yeah, I can see the code is simplified. When you specified
'crashkernel=xM,high', do you think what should be warn out? Because
it's an unsupported syntax on arm32, we should do something to print out
appropriate message.


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