LoongArch: Use correct API to map cmdline in relocate_kernel()

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[ Upstream commit 0124fbb4c6 ]

fw_arg1 is in memory space rather than I/O space, so we should use
early_memremap_ro() instead of early_ioremap() to map the cmdline.
Moreover, we should unmap it after using.

Suggested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Huacai Chen 2024-07-20 22:41:07 +08:00 • committed by Greg Kroah-Hartman

parent 938acd8e3a

commit fd8e141223

1 changed files with 3 additions and 1 deletions

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arch/loongarch/kernel/relocate.c

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