mirror of https://gitee.com/openkylin/linux.git
ARM: 8744/1: don't discard memblock for kexec
Discarding the memblock arrays usually works, but causes problems
with kexec, as pointed out by this kbuild warning:
WARNING: vmlinux.o(.text+0x7c60): Section mismatch in reference from the function machine_kexec_prepare() to the function .meminit.text:memblock_is_region_memory()
This lets us keep the memblock structures around whenever kexec
is enabled, but otherwise still drops them.
Fixes: cf1b09908a
("ARM: 8693/1: discard memblock arrays when possible")
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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@ -3,7 +3,7 @@ config ARM
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bool
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default y
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select ARCH_CLOCKSOURCE_DATA
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select ARCH_DISCARD_MEMBLOCK if !HAVE_ARCH_PFN_VALID
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select ARCH_DISCARD_MEMBLOCK if !HAVE_ARCH_PFN_VALID && !KEXEC
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select ARCH_HAS_DEBUG_VIRTUAL if MMU
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select ARCH_HAS_DEVMEM_IS_ALLOWED
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select ARCH_HAS_ELF_RANDOMIZE
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