Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

RISC-V: move empty_zero_page definition to C and export it

Browse source 
Needed by some modules (exported by other architectures).

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
This commit is contained in:
Olof Johansson 2017-11-29 17:55:15 -08:00 committed by Palmer Dabbelt
parent fe2726af9f
commit 83e7b8769a
2 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
arch/riscv/kernel/head.S
View file

@ -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)

3
arch/riscv/kernel/setup.c
View file

@ -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;