From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Will Deacon <will@kernel.org>
Cc: robh+dt@kernel.org, catalin.marinas@arm.com, hch@lst.de,
ardb@kernel.org, linux-kernel@vger.kernel.org,
robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org,
linux-rpi-kernel@lists.infradead.org, jeremy.linton@arm.com,
iommu@lists.linux-foundation.org, devicetree@vger.kernel.org
Subject: Re: [PATCH v3 1/8] arm64: mm: Move reserve_crashkernel() into mem_init()
Date: Thu, 15 Oct 2020 10:55:39 +0200 [thread overview]
Message-ID: <d2b9b819c3245d80964959ab9544ae83aee470de.camel@suse.de> (raw)
In-Reply-To: <20201015084008.GB4537@willie-the-truck>
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On Thu, 2020-10-15 at 09:40 +0100, Will Deacon wrote:
> On Wed, Oct 14, 2020 at 09:12:03PM +0200, Nicolas Saenz Julienne wrote:
> > crashkernel might reserve memory located in ZONE_DMA. We plan to delay
> > ZONE_DMA's initialization after unflattening the devicetree and ACPI's
> > boot table initialization, so move it later in the boot process.
> > Specifically into mem_init(), this is the last place crashkernel will be
> > able to reserve the memory before the page allocator kicks in and there is
> > no need to do it earlier.
> >
> > Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
> > ---
> > arch/arm64/mm/init.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
>
> Please can you cc me on the whole series next time? I know different
> maintainers have different preferences here, but I find it much easier to
> figure out what's happening when I can see all of the changes together.
Will do.
Regards,
Nicolas
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next prev parent reply other threads:[~2020-10-15 8:55 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-14 19:12 [PATCH v3 0/8] arm64: Default to 32-bit wide ZONE_DMA Nicolas Saenz Julienne
2020-10-14 19:12 ` [PATCH v3 1/8] arm64: mm: Move reserve_crashkernel() into mem_init() Nicolas Saenz Julienne
2020-10-15 8:40 ` Will Deacon
2020-10-15 8:55 ` Nicolas Saenz Julienne [this message]
2020-10-14 19:12 ` [PATCH v3 2/8] arm64: mm: Move zone_dma_bits initialization into zone_sizes_init() Nicolas Saenz Julienne
2020-10-14 19:12 ` [PATCH v3 3/8] of/address: Introduce of_dma_get_max_cpu_address() Nicolas Saenz Julienne
2020-10-14 22:02 ` Rob Herring
2020-10-15 6:56 ` Ard Biesheuvel
2020-10-15 9:16 ` Nicolas Saenz Julienne
2020-10-15 9:18 ` Ard Biesheuvel
2020-10-15 8:54 ` Nicolas Saenz Julienne
2020-10-15 5:42 ` Christoph Hellwig
2020-10-15 10:03 ` Nicolas Saenz Julienne
2020-10-16 13:19 ` Rob Herring
2020-10-14 19:12 ` [PATCH v3 4/8] of: unittest: Add test for of_dma_get_max_cpu_address() Nicolas Saenz Julienne
2020-10-14 22:04 ` Rob Herring
2020-10-15 9:51 ` Nicolas Saenz Julienne
2020-10-14 19:12 ` [PATCH v3 5/8] dma-direct: Turn zone_dma_bits default value into a define Nicolas Saenz Julienne
2020-10-15 5:38 ` Christoph Hellwig
2020-10-15 10:05 ` Nicolas Saenz Julienne
2020-10-14 19:12 ` [PATCH v3 6/8] arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges Nicolas Saenz Julienne
2020-10-15 5:39 ` Christoph Hellwig
2020-10-15 10:05 ` Nicolas Saenz Julienne
2020-10-14 19:12 ` [PATCH v3 7/8] arm64: mm: Set ZONE_DMA size based on early IORT scan Nicolas Saenz Julienne
2020-10-15 10:31 ` Lorenzo Pieralisi
2020-10-16 6:56 ` Ard Biesheuvel
2020-10-15 14:26 ` Hanjun Guo
2020-10-15 15:15 ` Nicolas Saenz Julienne
2020-10-15 18:03 ` Catalin Marinas
2020-10-16 6:51 ` Hanjun Guo
2020-10-16 6:54 ` Ard Biesheuvel
2020-10-16 7:27 ` Hanjun Guo
2020-10-16 7:34 ` Hanjun Guo
2020-10-14 19:12 ` [PATCH v3 8/8] mm: Update DMA zones description Nicolas Saenz Julienne
2020-10-15 5:40 ` Christoph Hellwig
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