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Kirill Smelkov
linux
Commits
bce1a286
Commit
bce1a286
authored
Apr 05, 2006
by
Ralf Baechle
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[MIPS] R2: Instruction hazard barrier.
Signed-off-by:
Ralf Baechle
<
ralf@linux-mips.org
>
parent
a682a241
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arch/mips/kernel/entry.S
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arch/mips/kernel/entry.S
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bce1a286
...
@@ -119,3 +119,18 @@ syscall_exit_work:
...
@@ -119,3 +119,18 @@ syscall_exit_work:
li
a1
,
1
li
a1
,
1
jal
do_syscall_trace
jal
do_syscall_trace
b
resume_userspace
b
resume_userspace
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT)
/*
*
MIPS32R2
Instruction
Hazard
Barrier
-
must
be
called
*
*
For
C
code
use
the
inline
version
named
instruction_hazard
()
.
*/
LEAF
(
mips_ihb
)
.
set
mips32r2
jr.hb
ra
nop
END
(
mips_ihb
)
#endif /* CONFIG_CPU_MIPSR2 or CONFIG_MIPS_MT */
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