6 files changed, 38 insertions, 13 deletions
diff --git a/arch/xtensa/include/asm/asmmacro.h b/arch/xtensa/include/asm/asmmacro.h
index 71a7e846bc1f..bfc89e11f469 100644
--- a/arch/xtensa/include/asm/asmmacro.h
+++ b/arch/xtensa/include/asm/asmmacro.h
@@ -237,4 +237,6 @@
 #error Unsupported Xtensa ABI
 #endif
 
+#define __XTENSA_HANDLER	.section ".exception.text", "ax"
+
 #endif /* _XTENSA_ASMMACRO_H */
diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index c53ce6d8794f..c426b846beef 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -58,6 +58,8 @@
 	.endif;								\
 	.long THREAD_XTREGS_CP##x
 
+	__XTENSA_HANDLER
+
 	SAVE_CP_REGS(0)
 	SAVE_CP_REGS(1)
 	SAVE_CP_REGS(2)
@@ -76,7 +78,6 @@
 	LOAD_CP_REGS(6)
 	LOAD_CP_REGS(7)
 
-	.section ".rodata", "a"
 	.align 4
 .Lsave_cp_regs_jump_table:
 	SAVE_CP_REGS_TAB(0)
@@ -98,8 +99,6 @@
 	LOAD_CP_REGS_TAB(6)
 	LOAD_CP_REGS_TAB(7)
 
-	.previous
-
 /*
  * coprocessor_flush(struct thread_info*, index)
  *                             a2        a3
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index be897803834a..9d2e22d9f3c3 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -939,6 +939,9 @@ ENDPROC(unrecoverable_exception)
 
 /* -------------------------- FAST EXCEPTION HANDLERS ----------------------- */
 
+	__XTENSA_HANDLER
+	.literal_position
+
 /*
  * Fast-handler for alloca exceptions
  *
@@ -1024,7 +1027,7 @@ ENDPROC(fast_alloca)
 ENTRY(fast_illegal_instruction_user)
 
 	rsr	a0, ps
-	bbsi.l	a0, PS_WOE_BIT, user_exception
+	bbsi.l	a0, PS_WOE_BIT, 1f
 	s32i	a3, a2, PT_AREG3
 	movi	a3, PS_WOE_MASK
 	or	a0, a0, a3
@@ -1033,6 +1036,8 @@ ENTRY(fast_illegal_instruction_user)
 	l32i	a0, a2, PT_AREG0
 	rsr	a2, depc
 	rfe
+1:
+	call0	user_exception
 
 ENDPROC(fast_illegal_instruction_user)
 #endif
@@ -1071,7 +1076,7 @@ ENTRY(fast_syscall_user)
 	_beqz	a0, fast_syscall_spill_registers
 	_beqi	a0, __NR_xtensa, fast_syscall_xtensa
 
-	j	user_exception
+	call0	user_exception
 
 ENDPROC(fast_syscall_user)
 
@@ -1762,8 +1767,8 @@ ENTRY(fast_second_level_miss)
 
 	rsr	a2, ps
 	bbsi.l	a2, PS_UM_BIT, 1f
-	j	_kernel_exception
-1:	j	_user_exception
+	call0	_kernel_exception
+1:	call0	_user_exception
 
 ENDPROC(fast_second_level_miss)
 
@@ -1859,13 +1864,14 @@ ENTRY(fast_store_prohibited)
 
 	rsr	a2, ps
 	bbsi.l	a2, PS_UM_BIT, 1f
-	j	_kernel_exception
-1:	j	_user_exception
+	call0	_kernel_exception
+1:	call0	_user_exception
 
 ENDPROC(fast_store_prohibited)
 
 #endif /* CONFIG_MMU */
 
+	.text
 /*
  * System Calls.
  *
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 0f93b67c7a5a..fefbdce1db99 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -284,6 +284,8 @@ extern char _UserExceptionVector_text_start;
 extern char _UserExceptionVector_text_end;
 extern char _DoubleExceptionVector_text_start;
 extern char _DoubleExceptionVector_text_end;
+extern char _exception_text_start;
+extern char _exception_text_end;
 #if XCHAL_EXCM_LEVEL >= 2
 extern char _Level2InterruptVector_text_start;
 extern char _Level2InterruptVector_text_end;
@@ -363,6 +365,8 @@ void __init setup_arch(char **cmdline_p)
 	mem_reserve(__pa(&_DoubleExceptionVector_text_start),
 		    __pa(&_DoubleExceptionVector_text_end));
 
+	mem_reserve(__pa(&_exception_text_start),
+		    __pa(&_exception_text_end));
 #if XCHAL_EXCM_LEVEL >= 2
 	mem_reserve(__pa(&_Level2InterruptVector_text_start),
 		    __pa(&_Level2InterruptVector_text_end));
diff --git a/arch/xtensa/kernel/vectors.S b/arch/xtensa/kernel/vectors.S
index 841503d3307c..95ad1e773991 100644
--- a/arch/xtensa/kernel/vectors.S
+++ b/arch/xtensa/kernel/vectors.S
@@ -43,6 +43,7 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/asmmacro.h>
 #include <asm/ptrace.h>
 #include <asm/current.h>
 #include <asm/asm-offsets.h>
@@ -477,7 +478,6 @@ _DoubleExceptionVector_handle_exception:
 
 ENDPROC(_DoubleExceptionVector)
 
-	.text
 /*
  * Fixup handler for TLB miss in double exception handler for window owerflow.
  * We get here with windowbase set to the window that was being spilled and
@@ -505,6 +505,7 @@ ENDPROC(_DoubleExceptionVector)
  * a3: exctable, original value in excsave1
  */
 
+	__XTENSA_HANDLER
 	.literal_position
 
 ENTRY(window_overflow_restore_a0_fixup)
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S
index 409c05cac15e..37a3205c404c 100644
--- a/arch/xtensa/kernel/vmlinux.lds.S
+++ b/arch/xtensa/kernel/vmlinux.lds.S
@@ -110,6 +110,8 @@ SECTIONS
   SECTION_VECTOR (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR)
   SECTION_VECTOR (.UserExceptionVector.text, USER_VECTOR_VADDR)
   SECTION_VECTOR (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR)
+
+  *(.exception.text)
 #endif
 
     IRQENTRY_TEXT
@@ -190,6 +192,8 @@ SECTIONS
 		   .DoubleExceptionVector.text);
     RELOCATE_ENTRY(_DebugInterruptVector_text,
 		   .DebugInterruptVector.text);
+    RELOCATE_ENTRY(_exception_text,
+		   .exception.text);
 #endif
 #ifdef CONFIG_XIP_KERNEL
     RELOCATE_ENTRY(_xip_data, .data);
@@ -282,8 +286,7 @@ SECTIONS
 		  .DoubleExceptionVector.text,
 		  DOUBLEEXC_VECTOR_VADDR,
 		  .UserExceptionVector.text)
-
-  . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3;
+#define LAST .DoubleExceptionVector.text
 
 #endif
 #if !defined(CONFIG_XIP_KERNEL) && defined(CONFIG_SMP)
@@ -292,10 +295,20 @@ SECTIONS
 		  .SecondaryResetVector.text,
 		  RESET_VECTOR1_VADDR,
 		  .DoubleExceptionVector.text)
+#undef LAST
+#define LAST .SecondaryResetVector.text
 
-  . = LOADADDR(.SecondaryResetVector.text)+SIZEOF(.SecondaryResetVector.text);
+#endif
+#ifdef CONFIG_VECTORS_OFFSET
+  SECTION_VECTOR (_exception_text,
+		  .exception.text,
+		  ,
+		  LAST)
+#undef LAST
+#define LAST .exception.text
 
 #endif
+  . = (LOADADDR(LAST) + SIZEOF(LAST) + 3) & ~ 3;
 
   . = ALIGN(PAGE_SIZE);