From: Catalin Marinas <catalin.marinas@arm.com>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: devicetree@vger.kernel.org, Chen Zhou <chenzhou10@huawei.com>,
will@kernel.org, linux-kernel@vger.kernel.org,
jeremy.linton@arm.com, hch@lst.de,
iommu@lists.linux-foundation.org, robh+dt@kernel.org,
James Morse <james.morse@arm.com>,
linux-rpi-kernel@lists.infradead.org, guohanjun@huawei.com,
robin.murphy@arm.com, ardb@kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v6 1/7] arm64: mm: Move reserve_crashkernel() into mem_init()
Date: Thu, 19 Nov 2020 17:25:24 +0000 [thread overview]
Message-ID: <20201119172523.GG4376@gaia> (raw)
In-Reply-To: <20201119171048.GD4376@gaia>
On Thu, Nov 19, 2020 at 05:10:49PM +0000, Catalin Marinas wrote:
> diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
> index ed71b1c305d7..acdec0c67d3b 100644
> --- a/arch/arm64/mm/mmu.c
> +++ b/arch/arm64/mm/mmu.c
> @@ -469,6 +469,21 @@ void __init mark_linear_text_alias_ro(void)
> PAGE_KERNEL_RO);
> }
>
> +static bool crash_mem_map __initdata;
> +
> +static int __init enable_crash_mem_map(char *arg)
> +{
> + /*
> + * Proper parameter parsing is done by reserve_crashkernel(). We only
> + * need to know if the linear map has to avoid block mappings so that
> + * the crashkernel reservations can be unmapped later.
> + */
> + crash_mem_map = false;
It should be set to true.
--
Catalin
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com,
Chen Zhou <chenzhou10@huawei.com>,
will@kernel.org, linux-kernel@vger.kernel.org,
jeremy.linton@arm.com, hch@lst.de,
iommu@lists.linux-foundation.org, robh+dt@kernel.org,
James Morse <james.morse@arm.com>,
linux-rpi-kernel@lists.infradead.org, guohanjun@huawei.com,
robin.murphy@arm.com, ardb@kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v6 1/7] arm64: mm: Move reserve_crashkernel() into mem_init()
Date: Thu, 19 Nov 2020 17:25:24 +0000 [thread overview]
Message-ID: <20201119172523.GG4376@gaia> (raw)
In-Reply-To: <20201119171048.GD4376@gaia>
On Thu, Nov 19, 2020 at 05:10:49PM +0000, Catalin Marinas wrote:
> diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
> index ed71b1c305d7..acdec0c67d3b 100644
> --- a/arch/arm64/mm/mmu.c
> +++ b/arch/arm64/mm/mmu.c
> @@ -469,6 +469,21 @@ void __init mark_linear_text_alias_ro(void)
> PAGE_KERNEL_RO);
> }
>
> +static bool crash_mem_map __initdata;
> +
> +static int __init enable_crash_mem_map(char *arg)
> +{
> + /*
> + * Proper parameter parsing is done by reserve_crashkernel(). We only
> + * need to know if the linear map has to avoid block mappings so that
> + * the crashkernel reservations can be unmapped later.
> + */
> + crash_mem_map = false;
It should be set to true.
--
Catalin
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Cc: devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com,
Chen Zhou <chenzhou10@huawei.com>,
robin.murphy@arm.com, linux-kernel@vger.kernel.org,
jeremy.linton@arm.com, ardb@kernel.org,
iommu@lists.linux-foundation.org, robh+dt@kernel.org,
James Morse <james.morse@arm.com>,
linux-rpi-kernel@lists.infradead.org, guohanjun@huawei.com,
will@kernel.org, hch@lst.de,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v6 1/7] arm64: mm: Move reserve_crashkernel() into mem_init()
Date: Thu, 19 Nov 2020 17:25:24 +0000 [thread overview]
Message-ID: <20201119172523.GG4376@gaia> (raw)
In-Reply-To: <20201119171048.GD4376@gaia>
On Thu, Nov 19, 2020 at 05:10:49PM +0000, Catalin Marinas wrote:
> diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
> index ed71b1c305d7..acdec0c67d3b 100644
> --- a/arch/arm64/mm/mmu.c
> +++ b/arch/arm64/mm/mmu.c
> @@ -469,6 +469,21 @@ void __init mark_linear_text_alias_ro(void)
> PAGE_KERNEL_RO);
> }
>
> +static bool crash_mem_map __initdata;
> +
> +static int __init enable_crash_mem_map(char *arg)
> +{
> + /*
> + * Proper parameter parsing is done by reserve_crashkernel(). We only
> + * need to know if the linear map has to avoid block mappings so that
> + * the crashkernel reservations can be unmapped later.
> + */
> + crash_mem_map = false;
It should be set to true.
--
Catalin
next prev parent reply other threads:[~2020-11-19 17:25 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-03 17:31 [PATCH v6 0/7] arm64: Default to 32-bit wide ZONE_DMA Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` [PATCH v6 1/7] arm64: mm: Move reserve_crashkernel() into mem_init() Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-05 16:11 ` James Morse
2020-11-05 16:11 ` James Morse
2020-11-05 16:11 ` James Morse
2020-11-06 18:46 ` Nicolas Saenz Julienne
2020-11-06 18:46 ` Nicolas Saenz Julienne
2020-11-06 18:46 ` Nicolas Saenz Julienne
2020-11-10 18:17 ` Catalin Marinas
2020-11-10 18:17 ` Catalin Marinas
2020-11-10 18:17 ` Catalin Marinas
2020-11-12 15:56 ` Nicolas Saenz Julienne
2020-11-12 15:56 ` Nicolas Saenz Julienne
2020-11-12 15:56 ` Nicolas Saenz Julienne
2020-11-13 11:29 ` Catalin Marinas
2020-11-13 11:29 ` Catalin Marinas
2020-11-13 11:29 ` Catalin Marinas
2020-11-19 14:09 ` Nicolas Saenz Julienne
2020-11-19 14:09 ` Nicolas Saenz Julienne
2020-11-19 14:09 ` Nicolas Saenz Julienne
2020-11-19 17:10 ` Catalin Marinas
2020-11-19 17:10 ` Catalin Marinas
2020-11-19 17:10 ` Catalin Marinas
2020-11-19 17:25 ` Catalin Marinas [this message]
2020-11-19 17:25 ` Catalin Marinas
2020-11-19 17:25 ` Catalin Marinas
2020-11-19 17:25 ` Nicolas Saenz Julienne
2020-11-19 17:25 ` Nicolas Saenz Julienne
2020-11-19 17:25 ` Nicolas Saenz Julienne
2020-11-19 17:45 ` Catalin Marinas
2020-11-19 17:45 ` Catalin Marinas
2020-11-19 17:45 ` Catalin Marinas
2020-11-19 18:18 ` James Morse
2020-11-19 18:18 ` James Morse
2020-11-19 18:18 ` James Morse
2020-11-03 17:31 ` [PATCH v6 2/7] arm64: mm: Move zone_dma_bits initialization into zone_sizes_init() Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` [PATCH v6 3/7] of/address: Introduce of_dma_get_max_cpu_address() Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` [PATCH v6 4/7] of: unittest: Add test for of_dma_get_max_cpu_address() Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` [PATCH v6 5/7] arm64: mm: Set ZONE_DMA size based on devicetree's dma-ranges Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` [PATCH v6 6/7] arm64: mm: Set ZONE_DMA size based on early IORT scan Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` [PATCH v6 7/7] mm: Remove examples from enum zone_type comment Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
2020-11-03 17:31 ` Nicolas Saenz Julienne
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