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| author | Guo Ren <guoren@linux.alibaba.com> | 2023-12-22 06:57:01 -0500 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-01-11 08:04:36 -0800 |
| commit | 97b7ac69be2e5a683e898f5267f659fde52efdd5 (patch) | |
| tree | 2adeafe9a919f5669118012fc41dd90611c18dad /arch | |
| parent | 5f449e245e5b0d9d63eef6c8968fbdc3a8594407 (diff) | |
| download | linux-stable-97b7ac69be2e5a683e898f5267f659fde52efdd5.tar.gz linux-stable-97b7ac69be2e5a683e898f5267f659fde52efdd5.tar.bz2 linux-stable-97b7ac69be2e5a683e898f5267f659fde52efdd5.zip | |
riscv: mm: Fixup compat arch_get_mmap_end
When the task is in COMPAT mode, the arch_get_mmap_end should be 2GB,
not TASK_SIZE_64. The TASK_SIZE has contained is_compat_mode()
detection, so change the definition of STACK_TOP_MAX to TASK_SIZE
directly.
Cc: stable@vger.kernel.org
Fixes: add2cc6b6515 ("RISC-V: mm: Restrict address space for sv39,sv48,sv57")
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Leonardo Bras <leobras@redhat.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Link: https://lore.kernel.org/r/20231222115703.2404036-3-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/include/asm/processor.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h index f19f861cda54..e1944ff0757a 100644 --- a/arch/riscv/include/asm/processor.h +++ b/arch/riscv/include/asm/processor.h @@ -16,7 +16,7 @@ #ifdef CONFIG_64BIT #define DEFAULT_MAP_WINDOW (UL(1) << (MMAP_VA_BITS - 1)) -#define STACK_TOP_MAX TASK_SIZE_64 +#define STACK_TOP_MAX TASK_SIZE #define arch_get_mmap_end(addr, len, flags) \ ({ \ |