| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 139/210] xtensa: clear all DBREAKC registers on start | Date | Sun, 10 Apr 2016 11:36:00 -0700 |
| |
4.4-stable review patch. If anyone has any objections, please let me know.
------------------
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- arch/xtensa/kernel/head.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/xtensa/kernel/head.S +++ b/arch/xtensa/kernel/head.S @@ -128,7 +128,7 @@ 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
|