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-rw-r--r--arch/xtensa/kernel/asm-offsets.c16
-rw-r--r--arch/xtensa/kernel/process.c5
2 files changed, 12 insertions, 9 deletions
diff --git a/arch/xtensa/kernel/asm-offsets.c b/arch/xtensa/kernel/asm-offsets.c
index b123ace3b67c..cbefed1800c1 100644
--- a/arch/xtensa/kernel/asm-offsets.c
+++ b/arch/xtensa/kernel/asm-offsets.c
@@ -90,14 +90,14 @@ int main(void)
DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));
DEFINE(THREAD_CPENABLE, offsetof (struct thread_info, cpenable));
#if XTENSA_HAVE_COPROCESSORS
- DEFINE(THREAD_XTREGS_CP0, offsetof (struct thread_info, xtregs_cp));
- DEFINE(THREAD_XTREGS_CP1, offsetof (struct thread_info, xtregs_cp));
- DEFINE(THREAD_XTREGS_CP2, offsetof (struct thread_info, xtregs_cp));
- DEFINE(THREAD_XTREGS_CP3, offsetof (struct thread_info, xtregs_cp));
- DEFINE(THREAD_XTREGS_CP4, offsetof (struct thread_info, xtregs_cp));
- DEFINE(THREAD_XTREGS_CP5, offsetof (struct thread_info, xtregs_cp));
- DEFINE(THREAD_XTREGS_CP6, offsetof (struct thread_info, xtregs_cp));
- DEFINE(THREAD_XTREGS_CP7, offsetof (struct thread_info, xtregs_cp));
+ DEFINE(THREAD_XTREGS_CP0, offsetof(struct thread_info, xtregs_cp.cp0));
+ DEFINE(THREAD_XTREGS_CP1, offsetof(struct thread_info, xtregs_cp.cp1));
+ DEFINE(THREAD_XTREGS_CP2, offsetof(struct thread_info, xtregs_cp.cp2));
+ DEFINE(THREAD_XTREGS_CP3, offsetof(struct thread_info, xtregs_cp.cp3));
+ DEFINE(THREAD_XTREGS_CP4, offsetof(struct thread_info, xtregs_cp.cp4));
+ DEFINE(THREAD_XTREGS_CP5, offsetof(struct thread_info, xtregs_cp.cp5));
+ DEFINE(THREAD_XTREGS_CP6, offsetof(struct thread_info, xtregs_cp.cp6));
+ DEFINE(THREAD_XTREGS_CP7, offsetof(struct thread_info, xtregs_cp.cp7));
#endif
DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user));
DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t));
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index 17a378c15a15..26516094dbd4 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -83,18 +83,21 @@ void coprocessor_release_all(struct thread_info *ti)
void coprocessor_flush_all(struct thread_info *ti)
{
- unsigned long cpenable;
+ unsigned long cpenable, old_cpenable;
int i;
preempt_disable();
+ RSR_CPENABLE(old_cpenable);
cpenable = ti->cpenable;
+ WSR_CPENABLE(cpenable);
for (i = 0; i < XCHAL_CP_MAX; i++) {
if ((cpenable & 1) != 0 && coprocessor_owner[i] == ti)
coprocessor_flush(ti, i);
cpenable >>= 1;
}
+ WSR_CPENABLE(old_cpenable);
preempt_enable();
}