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From: "Emilio G. Cota" <cota@braap.org>
To: qemu-devel@nongnu.org
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
	"Peter Crosthwaite" <crosthwaite.peter@gmail.com>,
	"Richard Henderson" <rth@twiddle.net>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Murilo Opsfelder Araujo" <muriloo@linux.ibm.com>
Subject: [Qemu-devel] [PATCH v2 10/12] cpus: access .qemu_icount_bias with atomic64
Date: Mon, 10 Sep 2018 19:27:50 -0400	[thread overview]
Message-ID: <20180910232752.31565-11-cota@braap.org> (raw)
In-Reply-To: <20180910232752.31565-1-cota@braap.org>

Signed-off-by: Emilio G. Cota <cota@braap.org>
---
 cpus.c | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/cpus.c b/cpus.c
index f045416c94..5a16a0186c 100644
--- a/cpus.c
+++ b/cpus.c
@@ -277,7 +277,8 @@ 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)
@@ -450,9 +451,9 @@ 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);
 }
@@ -512,8 +513,8 @@ 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,
@@ -544,8 +545,8 @@ 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);
 
@@ -616,8 +617,8 @@ 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);
-- 
2.17.1

  parent reply	other threads:[~2018-09-10 23:37 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-10 23:27 [Qemu-devel] [PATCH v2 00/12] i386 + x86_64 mttcg Emilio G. Cota
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 01/12] cacheinfo: add i/d cache_linesize_log Emilio G. Cota
2018-09-11 12:16   ` Richard Henderson
2018-09-11 12:57     ` Paolo Bonzini
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 02/12] util: add atomic64 Emilio G. Cota
2018-09-11 12:43   ` Richard Henderson
2018-09-11 20:43     ` Emilio G. Cota
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 03/12] tests: add atomic64-bench Emilio G. Cota
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 04/12] qsp: use atomic64 accessors Emilio G. Cota
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 05/12] test-rcu-list: access n_reclaims and n_nodes_removed with atomic64 Emilio G. Cota
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 06/12] atomic: fix comment s/x64_64/x86_64/ Emilio G. Cota
2018-09-11 12:50   ` Richard Henderson
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 07/12] cpus: initialize timers_state.vm_clock_lock Emilio G. Cota
2018-09-11 12:50   ` Richard Henderson
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 08/12] cpus: always call seqlock_write in cpu_update_icount Emilio G. Cota
2018-09-11 12:53   ` Richard Henderson
2018-09-11 12:55     ` Paolo Bonzini
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 09/12] cpus: access .qemu_icount with atomic64 Emilio G. Cota
2018-09-10 23:27 ` Emilio G. Cota [this message]
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 11/12] target/i386/translate: use thread-local storage in !user-mode Emilio G. Cota
2018-09-11 12:57   ` Richard Henderson
2018-09-10 23:27 ` [Qemu-devel] [PATCH v2 12/12] configure: enable mttcg for i386 and x86_64 Emilio G. Cota
2018-09-11 12:58   ` Richard Henderson
2018-09-11 13:00 ` [Qemu-devel] [PATCH v2 00/12] i386 + x86_64 mttcg Paolo Bonzini

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