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| author |   Kefeng Wang <wangkefeng.wang@huawei.com> | 2020-05-11 10:19:54 +0800 |
|---|---|---|
| committer |   Palmer Dabbelt <palmerdabbelt@google.com> | 2020-05-12 17:20:32 -0700 |
| commit | fa8174aa225fe3d53b37552e5066e6f0301dbabd (patch) | |
| tree | ceb19f1f2b90a7f3ccd8af97c2d4834de7d2bec3 /arch/riscv/include/asm/pgtable.h | |
| parent | riscv: stacktrace: Fix undefined reference to `walk_stackframe' (diff) | |
| download | wireguard-linux-fa8174aa225fe3d53b37552e5066e6f0301dbabd.tar.xz wireguard-linux-fa8174aa225fe3d53b37552e5066e6f0301dbabd.zip | |
riscv: Add pgprot_writecombine/device and PAGE_SHARED defination if NOMMU
Some drivers use PAGE_SHARED, pgprot_writecombine()/pgprot_device(),
add the defination to fix build error if NOMMU.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/riscv/include/asm/pgtable.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index 9c188ad2e52d..f225e2fbdfb4 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -470,6 +470,7 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma, #else /* CONFIG_MMU */ +#define PAGE_SHARED __pgprot(0) #define PAGE_KERNEL __pgprot(0) #define swapper_pg_dir NULL #define VMALLOC_START 0 |