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| author | Olof Johansson <olof@lixom.net> | 2017-11-29 17:55:15 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@sifive.com> | 2017-11-30 10:01:10 -0800 |
| commit | 83e7b8769a08987f47117f3a065de153c839a0a8 (patch) | |
| tree | 77572dca79811be32baf6662edd9654fe766f28f /arch/riscv | |
| parent | fe2726af9fdc93ecf2469b7c512fc1a8936e128c (diff) | |
| download | linux-83e7b8769a08987f47117f3a065de153c839a0a8.tar.gz linux-83e7b8769a08987f47117f3a065de153c839a0a8.tar.bz2 linux-83e7b8769a08987f47117f3a065de153c839a0a8.zip | |
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 <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/kernel/head.S | 3 | ||||
| -rw-r--r-- | 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; |