From 83e7b8769a08987f47117f3a065de153c839a0a8 Mon Sep 17 00:00:00 2001 From: Olof Johansson Date: Wed, 29 Nov 2017 17:55:15 -0800 Subject: [PATCH] RISC-V: move empty_zero_page definition to C and export it Needed by some modules (exported by other architectures). Signed-off-by: Olof Johansson Signed-off-by: Palmer Dabbelt --- arch/riscv/kernel/head.S | 3 --- arch/riscv/kernel/setup.c | 3 +++ 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/riscv/kernel/head.S b/arch/riscv/kernel/head.S index 76af908f87c1..78f670d70133 100644 --- a/arch/riscv/kernel/head.S +++ b/arch/riscv/kernel/head.S @@ -152,6 +152,3 @@ END(_start) __PAGE_ALIGNED_BSS /* Empty zero page */ .balign PAGE_SIZE -ENTRY(empty_zero_page) - .fill (empty_zero_page + PAGE_SIZE) - ., 1, 0x00 -END(empty_zero_page) diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index de7db114c315..4375375ad168 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -60,6 +60,9 @@ static char __initdata builtin_cmdline[COMMAND_LINE_SIZE] = CONFIG_CMDLINE; unsigned long va_pa_offset; unsigned long pfn_base; +unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss; +EXPORT_SYMBOL(empty_zero_page); + /* The lucky hart to first increment this variable will boot the other cores */ atomic_t hart_lottery; -- 2.30.2