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cpus: access .qemu_icount_bias with atomic64

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Signed-off-by: Emilio G. Cota <cota@braap.org>
Message-Id: <20180910232752.31565-11-cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Emilio G. Cota 2018-09-10 19:27:50 -04:00 committed by Paolo Bonzini
parent 38adcb6e41
commit c97595d166
1 changed files with 11 additions and 10 deletions
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11
cpus.c
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@ -287,7 +287,8 @@ static int64_t cpu_get_icount_raw_locked(void)
static int64_t cpu_get_icount_locked(void)
{
int64_t icount = cpu_get_icount_raw_locked();
return atomic_read__nocheck(&timers_state.qemu_icount_bias) + cpu_icount_to_ns(icount);
return atomic_read_i64(&timers_state.qemu_icount_bias) +
cpu_icount_to_ns(icount);
}
int64_t cpu_get_icount_raw(void)
@ -460,7 +461,7 @@ static void icount_adjust(void)
timers_state.icount_time_shift + 1);
}
last_delta = delta;
atomic_set__nocheck(&timers_state.qemu_icount_bias,
atomic_set_i64(&timers_state.qemu_icount_bias,
cur_icount - (timers_state.qemu_icount
<< timers_state.icount_time_shift));
seqlock_write_unlock(&timers_state.vm_clock_seqlock,
@ -522,7 +523,7 @@ static void icount_warp_rt(void)
int64_t delta = clock - cur_icount;
warp_delta = MIN(warp_delta, delta);
}
atomic_set__nocheck(&timers_state.qemu_icount_bias,
atomic_set_i64(&timers_state.qemu_icount_bias,
timers_state.qemu_icount_bias + warp_delta);
}
timers_state.vm_clock_warp_start = -1;
@ -554,7 +555,7 @@ void qtest_clock_warp(int64_t dest)
seqlock_write_lock(&timers_state.vm_clock_seqlock,
&timers_state.vm_clock_lock);
atomic_set__nocheck(&timers_state.qemu_icount_bias,
atomic_set_i64(&timers_state.qemu_icount_bias,
timers_state.qemu_icount_bias + warp);
seqlock_write_unlock(&timers_state.vm_clock_seqlock,
&timers_state.vm_clock_lock);
@ -626,7 +627,7 @@ void qemu_start_warp_timer(void)
*/
seqlock_write_lock(&timers_state.vm_clock_seqlock,
&timers_state.vm_clock_lock);
atomic_set__nocheck(&timers_state.qemu_icount_bias,
atomic_set_i64(&timers_state.qemu_icount_bias,
timers_state.qemu_icount_bias + deadline);
seqlock_write_unlock(&timers_state.vm_clock_seqlock,
&timers_state.vm_clock_lock);