diff options
| author | Guo Ren <guoren@linux.alibaba.com> | 2022-04-05 10:13:11 +0300 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2022-04-26 23:36:59 +0300 |
| commit | 3092eb45637573c5e435fbf5eaf9516316e5f9c6 (patch) | |
| tree | 691afea1c0f46273031964890e7e5bce292ee906 /arch/riscv/include | |
| parent | 0715372a06ce17a9ba69bbec306ddf30c4bad99e (diff) | |
| download | linux-3092eb45637573c5e435fbf5eaf9516316e5f9c6.tar.xz | |
riscv: compat: vdso: Add setup additional pages implementation
Reconstruct __setup_additional_pages() by appending vdso info
pointer argument to meet compat_vdso_info requirement. And change
vm_special_mapping *dm, *cm initialization into static.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220405071314.3225832-18-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/elf.h | 5 | ||||
| -rw-r--r-- | arch/riscv/include/asm/mmu.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/elf.h b/arch/riscv/include/asm/elf.h index 754fdb8cee96..14fc7342490b 100644 --- a/arch/riscv/include/asm/elf.h +++ b/arch/riscv/include/asm/elf.h @@ -130,5 +130,10 @@ do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ typedef compat_ulong_t compat_elf_greg_t; typedef compat_elf_greg_t compat_elf_gregset_t[ELF_NGREG]; +extern int compat_arch_setup_additional_pages(struct linux_binprm *bprm, + int uses_interp); +#define compat_arch_setup_additional_pages \ + compat_arch_setup_additional_pages + #endif /* CONFIG_COMPAT */ #endif /* _ASM_RISCV_ELF_H */ diff --git a/arch/riscv/include/asm/mmu.h b/arch/riscv/include/asm/mmu.h index 0099dc116168..cedcf8ea3c76 100644 --- a/arch/riscv/include/asm/mmu.h +++ b/arch/riscv/include/asm/mmu.h @@ -16,6 +16,7 @@ typedef struct { atomic_long_t id; #endif void *vdso; + void *vdso_info; #ifdef CONFIG_SMP /* A local icache flush is needed before user execution can resume. */ cpumask_t icache_stale_mask; |