From c97595d16654c3508643ae1881be1531de48ecc7 Mon Sep 17 00:00:00 2001 From: "Emilio G. Cota" Date: Mon, 10 Sep 2018 19:27:50 -0400 Subject: [PATCH] cpus: access .qemu_icount_bias with atomic64 Signed-off-by: Emilio G. Cota Message-Id: <20180910232752.31565-11-cota@braap.org> Signed-off-by: Paolo Bonzini --- cpus.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/cpus.c b/cpus.c index fed8ec1dff..d8b3b46cc8 100644 --- a/cpus.c +++ b/cpus.c @@ -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) @@ -460,9 +461,9 @@ static void icount_adjust(void) timers_state.icount_time_shift + 1); } last_delta = delta; - atomic_set__nocheck(&timers_state.qemu_icount_bias, - cur_icount - (timers_state.qemu_icount - << timers_state.icount_time_shift)); + 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, &timers_state.vm_clock_lock); } @@ -522,8 +523,8 @@ 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, - timers_state.qemu_icount_bias + warp_delta); + atomic_set_i64(&timers_state.qemu_icount_bias, + timers_state.qemu_icount_bias + warp_delta); } timers_state.vm_clock_warp_start = -1; seqlock_write_unlock(&timers_state.vm_clock_seqlock, @@ -554,8 +555,8 @@ 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, - timers_state.qemu_icount_bias + warp); + 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); @@ -626,8 +627,8 @@ 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, - timers_state.qemu_icount_bias + deadline); + 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); qemu_clock_notify(QEMU_CLOCK_VIRTUAL);