linux-kernel - Re: [RESEND PATCH v5 0/4] support reserving crashkernel above 4G on arm64 kdump

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Message-ID: <20190416131549.GD31772@zn.tnic>
Date:   Tue, 16 Apr 2019 15:15:49 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Chen Zhou <chenzhou10@...wei.com>
Cc:     tglx@...utronix.de, mingo@...hat.com, ebiederm@...ssion.com,
        rppt@...ux.ibm.com, catalin.marinas@....com, will.deacon@....com,
        akpm@...ux-foundation.org, ard.biesheuvel@...aro.org,
        horms@...ge.net.au, takahiro.akashi@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kexec@...ts.infradead.org, linux-mm@...ck.org,
        wangkefeng.wang@...wei.com
Subject: Re: [RESEND PATCH v5 0/4] support reserving crashkernel above 4G on
 arm64 kdump

On Tue, Apr 16, 2019 at 07:35:15PM +0800, Chen Zhou wrote:
> When crashkernel is reserved above 4G in memory, kernel should reserve
> some amount of low memory for swiotlb and some DMA buffers. So there may
> be two crash kernel regions, one is below 4G, the other is above 4G.
> 
> Crash dump kernel reads more than one crash kernel regions via a dtb
> property under node /chosen,
> linux,usable-memory-range = <BASE1 SIZE1 [BASE2 SIZE2]>.

Can you please not flood everyone with this patchset every day, and
today twice?

This is not the frequency with how you send patchsets upstream. See

https://www.kernel.org/doc/html/latest/process/submitting-patches.html#don-t-get-discouraged-or-impatient

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.