linux-kernel - Re: [PATCH v3] arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones

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Date:   Mon,  7 Mar 2022 22:03:37 +0000
From:   Will Deacon <will@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Vijay Balakrishna <vijayb@...ux.microsoft.com>
Cc:     kernel-team@...roid.com, Will Deacon <will@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>, linux-kernel@...r.kernel.org,
        Pavel Tatashin <pasha.tatashin@...een.com>,
        linux-arm-kernel@...ts.infradead.org,
        Mike Rapoport <rppt@...nel.org>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>
Subject: Re: [PATCH v3] arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones

On Wed, 2 Mar 2022 09:38:09 -0800, Vijay Balakrishna wrote:
> The following patches resulted in deferring crash kernel reservation to
> mem_init(), mainly aimed at platforms with DMA memory zones (no IOMMU),
> in particular Raspberry Pi 4.
> 
> commit 1a8e1cef7603 ("arm64: use both ZONE_DMA and ZONE_DMA32")
> commit 8424ecdde7df ("arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges")
> commit 0a30c53573b0 ("arm64: mm: Move reserve_crashkernel() into mem_init()")
> commit 2687275a5843 ("arm64: Force NO_BLOCK_MAPPINGS if crashkernel reservation is required")
> 
> [...]

Applied to arm64 (for-next/misc), thanks!

[1/1] arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones
      https://git.kernel.org/arm64/c/90527221b7ad

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev