4 files changed, 9 insertions, 12 deletions

diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild
index fe77e51a7847..a581a2205938 100644
--- a/arch/arm64/include/asm/Kbuild
+++ b/arch/arm64/include/asm/Kbuild
@@ -18,7 +18,6 @@ generic-y += ipcbuf.h
 generic-y += irq_regs.h
 generic-y += kdebug.h
 generic-y += kmap_types.h
-generic-y += linkage.h
 generic-y += local.h
 generic-y += local64.h
 generic-y += mman.h
diff --git a/arch/arm64/include/asm/linkage.h b/arch/arm64/include/asm/linkage.h
new file mode 100644
index 000000000000..636c1bced7d4
--- /dev/null
+++ b/arch/arm64/include/asm/linkage.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+#define __ALIGN         .align 4
+#define __ALIGN_STR     ".align 4"
+
+#endif
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 39a208a392f7..5d810044feda 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -92,30 +92,20 @@ static inline void start_thread_common(struct pt_regs *regs, unsigned long pc)
 static inline void start_thread(struct pt_regs *regs, unsigned long pc,
                                 unsigned long sp)
 {
-        unsigned long *stack = (unsigned long *)sp;
-
         start_thread_common(regs, pc);
         regs->pstate = PSR_MODE_EL0t;
         regs->sp = sp;
-        regs->regs[2] = stack[2];       /* x2 (envp) */
-        regs->regs[1] = stack[1];       /* x1 (argv) */
-        regs->regs[0] = stack[0];       /* x0 (argc) */
 }
 
 #ifdef CONFIG_COMPAT
 static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc,
                                        unsigned long sp)
 {
-        unsigned int *stack = (unsigned int *)sp;
-
         start_thread_common(regs, pc);
         regs->pstate = COMPAT_PSR_MODE_USR;
         if (pc & 1)
                 regs->pstate |= COMPAT_PSR_T_BIT;
         regs->compat_sp = sp;
-        regs->regs[2] = stack[2];       /* x2 (envp) */
-        regs->regs[1] = stack[1];       /* x1 (argv) */
-        regs->regs[0] = stack[0];       /* x0 (argc) */
 }
 #endif
 
diff --git a/arch/arm64/include/uapi/asm/ptrace.h b/arch/arm64/include/uapi/asm/ptrace.h
index 9b131b4efa0b..6913643bbe54 100644
--- a/arch/arm64/include/uapi/asm/ptrace.h
+++ b/arch/arm64/include/uapi/asm/ptrace.h
@@ -79,13 +79,14 @@ struct user_fpsimd_state {
 
 struct user_hwdebug_state {
         __u32           dbg_info;
+        __u32           pad;
         struct {
                 __u64   addr;
                 __u32   ctrl;
+                __u32   pad;
         }               dbg_regs[16];
 };
 
-
 #endif /* __ASSEMBLY__ */
 
 #endif /* _UAPI__ASM_PTRACE_H */