diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h
index 85997c0..1aad4fe 100644
--- a/arch/arm64/include/asm/esr.h
+++ b/arch/arm64/include/asm/esr.h
@@ -76,15 +76,23 @@
 #define ESR_ELx_EC_MASK		(UL(0x3F) << ESR_ELx_EC_SHIFT)
 #define ESR_ELx_EC(esr)		(((esr) & ESR_ELx_EC_MASK) >> ESR_ELx_EC_SHIFT)

-#define ESR_ELx_IL		(UL(1) << 25)
+#define ESR_ELx_IL_SHIFT	(25)
+#define ESR_ELx_IL		(UL(1) << ESR_ELx_IL_SHIFT)
 #define ESR_ELx_ISS_MASK	(ESR_ELx_IL - 1)

 /* ISS field definitions shared by different classes */
-#define ESR_ELx_WNR		(UL(1) << 6)
+#define ESR_ELx_WNR_SHIFT	(6)
+#define ESR_ELx_WNR		(UL(1) << ESR_ELx_WNR_SHIFT)

 /* Shared ISS field definitions for Data/Instruction aborts */
-#define ESR_ELx_EA		(UL(1) << 9)
-#define ESR_ELx_S1PTW		(UL(1) << 7)
+#define ESR_ELx_SET_SHIFT	(11)
+#define ESR_ELx_SET_MASK	(UL(3) << ESR_ELx_SET_SHIFT)
+#define ESR_ELx_FNV_SHIFT	(10)
+#define ESR_ELx_FNV		(UL(1) << ESR_ELx_FNV_SHIFT)
+#define ESR_ELx_EA_SHIFT	(9)
+#define ESR_ELx_EA		(UL(1) << ESR_ELx_EA_SHIFT)
+#define ESR_ELx_S1PTW_SHIFT	(7)
+#define ESR_ELx_S1PTW		(UL(1) << ESR_ELx_S1PTW_SHIFT)

 /* Shared ISS fault status code(IFSC/DFSC) for Data/Instruction aborts */
 #define ESR_ELx_FSC		(0x3F)
@@ -95,15 +103,20 @@
 #define ESR_ELx_FSC_PERM	(0x0C)

 /* ISS field definitions for Data Aborts */
-#define ESR_ELx_ISV		(UL(1) << 24)
+#define ESR_ELx_ISV_SHIFT	(24)
+#define ESR_ELx_ISV		(UL(1) << ESR_ELx_ISV_SHIFT)
 #define ESR_ELx_SAS_SHIFT	(22)
 #define ESR_ELx_SAS		(UL(3) << ESR_ELx_SAS_SHIFT)
-#define ESR_ELx_SSE		(UL(1) << 21)
+#define ESR_ELx_SSE_SHIFT	(21)
+#define ESR_ELx_SSE		(UL(1) << ESR_ELx_SSE_SHIFT)
 #define ESR_ELx_SRT_SHIFT	(16)
 #define ESR_ELx_SRT_MASK	(UL(0x1F) << ESR_ELx_SRT_SHIFT)
-#define ESR_ELx_SF 		(UL(1) << 15)
-#define ESR_ELx_AR 		(UL(1) << 14)
-#define ESR_ELx_CM 		(UL(1) << 8)
+#define ESR_ELx_SF_SHIFT	(15)
+#define ESR_ELx_SF 		(UL(1) << ESR_ELx_SF_SHIFT)
+#define ESR_ELx_AR_SHIFT	(14)
+#define ESR_ELx_AR 		(UL(1) << ESR_ELx_AR_SHIFT)
+#define ESR_ELx_CM_SHIFT	(8)
+#define ESR_ELx_CM 		(UL(1) << ESR_ELx_CM_SHIFT)

 /* ISS field definitions for exceptions taken in to Hyp */
 #define ESR_ELx_CV		(UL(1) << 24)
@@ -184,6 +197,13 @@
 #ifndef __ASSEMBLY__
 #include <asm/types.h>

+static inline bool esr_is_data_abort(u32 esr)
+{
+	const u32 ec = ESR_ELx_EC(esr);
+
+	return ec == ESR_ELx_EC_DABT_LOW || ec == ESR_ELx_EC_DABT_CUR;
+}
+
 const char *esr_get_class_string(u32 esr);
 #endif /* __ASSEMBLY */

diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 37b95df..6702ea5 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -79,6 +79,49 @@ static inline int notify_page_fault(struct pt_regs *regs, unsigned int esr)
 }
 #endif

+static void data_abort_decode(unsigned int esr)
+{
+	pr_alert("Data abort info:\n");
+
+	if (esr & ESR_ELx_ISV) {
+		pr_alert("  Access size = %u byte(s)\n",
+			 1U << ((esr & ESR_ELx_SAS) >> ESR_ELx_SAS_SHIFT));
+		pr_alert("  SSE = %lu, SRT = %lu\n",
+			 (esr & ESR_ELx_SSE) >> ESR_ELx_SSE_SHIFT,
+			 (esr & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT);
+		pr_alert("  SF = %lu, AR = %lu\n",
+			 (esr & ESR_ELx_SF) >> ESR_ELx_SF_SHIFT,
+			 (esr & ESR_ELx_AR) >> ESR_ELx_AR_SHIFT);
+	} else {
+		pr_alert("  ISV = 0, ISS = 0x%08lu\n", esr & ESR_ELx_ISS_MASK);
+	}
+
+	pr_alert("  CM = %lu, WnR = %lu\n",
+		 (esr & ESR_ELx_CM) >> ESR_ELx_CM_SHIFT,
+		 (esr & ESR_ELx_WNR) >> ESR_ELx_WNR_SHIFT);
+}
+
+/*
+ * Decode mem abort information
+ */
+static void mem_abort_decode(unsigned int esr)
+{
+	pr_alert("Mem abort info:\n");
+
+	pr_alert("  Exception class = %s, IL = %lu bits\n",
+		 esr_get_class_string(esr),
+		 (esr & ESR_ELx_IL) ? 32 : 16);
+	pr_alert("  SET = %lu, FnV = %lu\n",
+		 (esr & ESR_ELx_SET_MASK) >> ESR_ELx_SET_SHIFT,
+		 (esr & ESR_ELx_FNV) >> ESR_ELx_FNV_SHIFT);
+	pr_alert("  EA = %lu, S1PTW = %lu\n",
+		 (esr & ESR_ELx_EA) >> ESR_ELx_EA_SHIFT,
+		 (esr & ESR_ELx_S1PTW) >> ESR_ELx_S1PTW_SHIFT);
+
+	if (esr_is_data_abort(esr))
+		data_abort_decode(esr);
+}
+
 /*
  * Dump out the page tables associated with 'addr' in mm 'mm'.
  */
@@ -227,6 +270,8 @@ static void __do_kernel_fault(struct mm_struct *mm, unsigned long addr,
 	pr_alert("Unable to handle kernel %s at virtual address %08lx\n", msg,
 		 addr);

+	mem_abort_decode(esr);
+
 	show_pte(mm, addr);
 	die("Oops", regs, esr);
 	bust_spinlocks(0);
@@ -604,6 +649,8 @@ asmlinkage void __exception do_mem_abort(unsigned long addr, unsigned int esr,
 	pr_alert("Unhandled fault: %s (0x%08x) at 0x%016lx\n",
 		 inf->name, esr, addr);

+	mem_abort_decode(esr);
+
 	info.si_signo = inf->sig;
 	info.si_errno = 0;
 	info.si_code  = inf->code;
