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Catalin Marinas 50a1312a29 arm64: Force NO_BLOCK_MAPPINGS if crashkernel reservation is required 
commit 2687275a58 upstream.

mem_init() currently relies on knowing the boundaries of the crashkernel
reservation to map such region with page granularity for later
unmapping via set_memory_valid(..., 0). If the crashkernel reservation
is deferred, such boundaries are not known when the linear mapping is
created. Simply parse the command line for "crashkernel" and, if found,
create the linear map with NO_BLOCK_MAPPINGS.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Acked-by: James Morse <james.morse@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20201119175556.18681-1-catalin.marinas@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-06-30 08:47:17 -04:00
..
boot arm64: dts: freescale: sl28: var4: fix RGMII clock and voltage 2021-06-10 13:39:22 +02:00
configs arm64: defconfig: Build in CONFIG_GPIO_MXC by default 2020-10-26 15:48:58 +08:00
crypto crypto: poly1305 - fix poly1305_core_setkey() declaration 2021-05-14 09:50:13 +02:00
include KVM: arm64: Prevent mixed-width VM creation 2021-06-03 09:00:32 +02:00
kernel arm64: entry: always set GIC_PRIO_PSR_I_SET during entry 2021-05-19 10:13:07 +02:00
kvm KVM: arm64: Fix debug register indexing 2021-06-10 13:39:28 +02:00
lib arm64: Change .weak to SYM_FUNC_START_WEAK_PI for arch/arm64/lib/mem*.S 2020-10-30 08:32:31 +00:00
mm arm64: Force NO_BLOCK_MAPPINGS if crashkernel reservation is required 2021-06-30 08:47:17 -04:00
net arm64: bpf: Fix branch offset in JIT 2020-09-17 12:05:36 +01:00
xen
Kbuild
Kconfig arm64: mte: Ensure TIF_MTE_ASYNC_FAULT is set atomically 2021-04-21 13:01:00 +02:00
Kconfig.debug
Kconfig.platforms arm64: berlin: Select DW_APB_TIMER_OF 2020-10-26 10:45:03 +01:00
Makefile arm64: link with -z norelro for LLD or aarch64-elf 2021-01-12 20:18:24 +01:00