4 files changed, 36 insertions, 22 deletions
diff --git a/arch/loongarch/include/uapi/asm/Kbuild b/arch/loongarch/include/uapi/asm/Kbuild
index 517761419999..89ac01faa5ae 100644
--- a/arch/loongarch/include/uapi/asm/Kbuild
+++ b/arch/loongarch/include/uapi/asm/Kbuild
@@ -1,2 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0
+syscall-y += unistd_32.h
 syscall-y += unistd_64.h
diff --git a/arch/loongarch/include/uapi/asm/kvm.h b/arch/loongarch/include/uapi/asm/kvm.h
index 57ba1a563bb1..de6c3f18e40a 100644
--- a/arch/loongarch/include/uapi/asm/kvm.h
+++ b/arch/loongarch/include/uapi/asm/kvm.h
@@ -104,6 +104,7 @@ struct kvm_fpu {
 #define  KVM_LOONGARCH_VM_FEAT_PV_IPI		6
 #define  KVM_LOONGARCH_VM_FEAT_PV_STEALTIME	7
 #define  KVM_LOONGARCH_VM_FEAT_PTW		8
+#define  KVM_LOONGARCH_VM_FEAT_MSGINT		9
 
 /* Device Control API on vcpu fd */
 #define KVM_LOONGARCH_VCPU_CPUCFG	0
diff --git a/arch/loongarch/include/uapi/asm/ptrace.h b/arch/loongarch/include/uapi/asm/ptrace.h
index aafb3cd9e943..b35c794323bc 100644
--- a/arch/loongarch/include/uapi/asm/ptrace.h
+++ b/arch/loongarch/include/uapi/asm/ptrace.h
@@ -10,10 +10,6 @@
 
 #include <linux/types.h>
 
-#ifndef __KERNEL__
-#include <stdint.h>
-#endif
-
 /*
  * For PTRACE_{POKE,PEEK}USR. 0 - 31 are GPRs,
  * 32 is syscall's original ARG0, 33 is PC, 34 is BADVADDR.
@@ -41,44 +37,54 @@ struct user_pt_regs {
 } __attribute__((aligned(8)));
 
 struct user_fp_state {
-	uint64_t fpr[32];
-	uint64_t fcc;
-	uint32_t fcsr;
+	__u64 fpr[32];
+	__u64 fcc;
+	__u32 fcsr;
 };
 
 struct user_lsx_state {
 	/* 32 registers, 128 bits width per register. */
-	uint64_t vregs[32*2];
+	__u64 vregs[32*2];
 };
 
 struct user_lasx_state {
 	/* 32 registers, 256 bits width per register. */
-	uint64_t vregs[32*4];
+	__u64 vregs[32*4];
 };
 
 struct user_lbt_state {
-	uint64_t scr[4];
-	uint32_t eflags;
-	uint32_t ftop;
+	__u64 scr[4];
+	__u32 eflags;
+	__u32 ftop;
 };
 
 struct user_watch_state {
-	uint64_t dbg_info;
+	__u64 dbg_info;
 	struct {
-		uint64_t    addr;
-		uint64_t    mask;
-		uint32_t    ctrl;
-		uint32_t    pad;
+#if __BITS_PER_LONG == 32
+		__u32    addr;
+		__u32    mask;
+#else
+		__u64    addr;
+		__u64    mask;
+#endif
+		__u32    ctrl;
+		__u32    pad;
 	} dbg_regs[8];
 };
 
 struct user_watch_state_v2 {
-	uint64_t dbg_info;
+	__u64 dbg_info;
 	struct {
-		uint64_t    addr;
-		uint64_t    mask;
-		uint32_t    ctrl;
-		uint32_t    pad;
+#if __BITS_PER_LONG == 32
+		__u32    addr;
+		__u32    mask;
+#else
+		__u64    addr;
+		__u64    mask;
+#endif
+		__u32    ctrl;
+		__u32    pad;
 	} dbg_regs[14];
 };
 
diff --git a/arch/loongarch/include/uapi/asm/unistd.h b/arch/loongarch/include/uapi/asm/unistd.h
index 1f01980f9c94..e19c7f2f9f87 100644
--- a/arch/loongarch/include/uapi/asm/unistd.h
+++ b/arch/loongarch/include/uapi/asm/unistd.h
@@ -1,3 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 
+#include <asm/bitsperlong.h>
+
+#if __BITS_PER_LONG == 32
+#include <asm/unistd_32.h>
+#else
 #include <asm/unistd_64.h>
+#endif