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[3.13.y-ckt,43/97] xtensa: clear all DBREAKC registers on start

Message ID 1459812421-933-44-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa April 4, 2016, 11:26 p.m. UTC 
3.13.11-ckt38 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Max Filippov <jcmvbkbc@gmail.com>

commit 7de7ac785ae18a2cdc78d7560f48e3213d9ea0ab upstream.

There are XCHAL_NUM_DBREAK registers, clear them all.
This also fixes cryptic assembler error message with binutils 2.25 when
XCHAL_NUM_DBREAK is 0:

  as: out of memory allocating 18446744073709551575 bytes after a total
  of 495616 bytes

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 arch/xtensa/kernel/head.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/xtensa/kernel/head.S b/arch/xtensa/kernel/head.S
index 1ae90af..ca0c4c1 100644
--- a/arch/xtensa/kernel/head.S
+++ b/arch/xtensa/kernel/head.S
@@ -118,7 +118,7 @@  ENTRY(_startup)
 	wsr	a0, icountlevel
 
 	.set	_index, 0
-	.rept	XCHAL_NUM_DBREAK - 1
+	.rept	XCHAL_NUM_DBREAK
 	wsr	a0, SREG_DBREAKC + _index
 	.set	_index, _index + 1
 	.endr