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MIPS: Scheduler support for HARDWARE_WATCHPOINTS. 

Here we hook up the scheduler.  Whenever we switch to a new process,
we check to see if the watch registers should be installed, and do it
if needed.

Signed-off-by: David Daney <ddaney@avtrex.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
David Daney 2008-09-23 00:09:51 -07:00 committed by Ralf Baechle
parent b67b2b7030
commit 2c708cbaa6
1 changed files with 2 additions and 0 deletions
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2
arch/mips/include/asm/system.h
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@ -20,6 +20,7 @@
#include <asm/cmpxchg.h>
#include <asm/cpu-features.h>
#include <asm/dsp.h>
#include <asm/watch.h>
#include <asm/war.h>
@ -76,6 +77,7 @@ do { \
__restore_dsp(current); \
if (cpu_has_userlocal) \
write_c0_userlocal(current_thread_info()->tp_value); \
__restore_watch(); \
} while (0)
static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)