Commit 4b816909 authored by Max Filippov's avatar Max Filippov
Browse files

xtensa: drop dead code from entry.S 



KERNEL_STACK_OVERFLOW_CHECK is incomplete and have never been enabled.
Remove it.

Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent a8f0c31f

arch/xtensa/kernel/entry.S

+0 −18
Original line number Diff line number Diff line
@@ -28,15 +28,6 @@ 
#include <asm/tlbflush.h>

#include <variant/tie-asm.h>



/* Unimplemented features. */



#undef KERNEL_STACK_OVERFLOW_CHECK



/* Not well tested.

 *

 * - fast_coprocessor

 */



/*

 * Macro to find first bit set in WINDOWBASE from the left + 1

 *
@@ -350,15 +341,6 @@ KABI_W _bbsi.l a2, 3, 1f 
	l32i	a0, a1, PT_AREG0	# restore saved a0

	wsr	a0, depc



#ifdef KERNEL_STACK_OVERFLOW_CHECK



	/*  Stack overflow check, for debugging  */

	extui	a2, a1, TASK_SIZE_BITS,XX

	movi	a3, SIZE??

	_bge	a2, a3, out_of_stack_panic



#endif



/*

 * This is the common exception handler.

 * We get here from the user exception handler or simply by falling through