[RFC,V2,07/38] riscv: u64ilp32: Add ptrace interface support

Commit Message

Guo Ren Nov. 12, 2023, 6:14 a.m. UTC

From: Guo Ren <[e-mail]>

The pt_regs of u64ilp32 is the same as the 64-bit kernel's. So, change
to use native_view instead.

Signed-off-by: Guo Ren <[e-mail]>
Signed-off-by: Guo Ren <[e-mail]>
---
 arch/riscv/kernel/ptrace.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
index 1d572cf3140f..5471b12127da 100644
--- a/arch/riscv/kernel/ptrace.c
+++ b/arch/riscv/kernel/ptrace.c
@@ -369,7 +369,8 @@  long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 const struct user_regset_view *task_user_regset_view(struct task_struct *task)
 {
 #ifdef CONFIG_COMPAT
-	if (test_tsk_thread_flag(task, TIF_32BIT))
+	if (test_tsk_thread_flag(task, TIF_32BIT) &&
+	   !test_tsk_thread_flag(task, TIF_64ILP32))
 		return &compat_riscv_user_native_view;
 	else
 #endif