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authorGuo Ren <[email protected]>2023-12-22 06:57:01 -0500
committerPalmer Dabbelt <[email protected]>2024-01-11 08:04:36 -0800
commit97b7ac69be2e5a683e898f5267f659fde52efdd5 (patch)
tree2adeafe9a919f5669118012fc41dd90611c18dad
parent5f449e245e5b0d9d63eef6c8968fbdc3a8594407 (diff)
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: [email protected] Fixes: add2cc6b6515 ("RISC-V: mm: Restrict address space for sv39,sv48,sv57") Signed-off-by: Guo Ren <[email protected]> Signed-off-by: Guo Ren <[email protected]> Reviewed-by: Leonardo Bras <[email protected]> Reviewed-by: Charlie Jenkins <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Palmer Dabbelt <[email protected]>
-rw-r--r--arch/riscv/include/asm/processor.h2
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) \
({ \