From: Zhao Yihan <zhaoyihan@wxiat.com> Sunway inclusion category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I56OLG -------------------------------- BIOS passes logical address as physical address, which starts with PAGE_OFFSET. It will overflow if add PAGE_OFFSET again. Signed-off-by: Zhao Yihan <zhaoyihan@wxiat.com> Signed-off-by: Gu Zitao <guzitao@wxiat.com> Acked-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> --- arch/sw_64/include/asm/early_ioremap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/sw_64/include/asm/early_ioremap.h b/arch/sw_64/include/asm/early_ioremap.h index 6f6fc6218cb3..930c6bf36ad3 100644 --- a/arch/sw_64/include/asm/early_ioremap.h +++ b/arch/sw_64/include/asm/early_ioremap.h @@ -14,7 +14,7 @@ early_ioremap(unsigned long phys_addr, unsigned long size) y = (unsigned long) phys_to_virt(__pa(phys_addr)); } else { y = phys_addr; - y += PAGE_OFFSET; + y |= PAGE_OFFSET; } return (void __iomem *) y; -- 2.20.1