qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: David Hildenbrand <david@redhat.com>
To: qemu-s390x@nongnu.org
Cc: qemu-devel@nongnu.org, Richard Henderson <rth@twiddle.net>,
	Alexander Graf <agraf@suse.de>, Cornelia Huck <cohuck@redhat.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	Thomas Huth <thuth@redhat.com>,
	David Hildenbrand <david@redhat.com>
Subject: [Qemu-devel] [PATCH v2 2/7] s390x/tcg: drop tod_basetime
Date: Wed, 20 Jun 2018 12:08:20 +0200	[thread overview]
Message-ID: <20180620100825.22476-3-david@redhat.com> (raw)
In-Reply-To: <20180620100825.22476-1-david@redhat.com>

Never set to anything but 0.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/cpu.c         | 1 -
 target/s390x/cpu.h         | 1 -
 target/s390x/misc_helper.c | 4 ++--
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
index 03ea6eafa7..a41b3f34ab 100644
--- a/target/s390x/cpu.c
+++ b/target/s390x/cpu.c
@@ -289,7 +289,6 @@ static void s390_cpu_initfn(Object *obj)
     qemu_get_timedate(&tm, 0);
     env->tod_offset = TOD_UNIX_EPOCH +
                       (time2tod(mktimegm(&tm)) * 1000000000ULL);
-    env->tod_basetime = 0;
     env->tod_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, s390x_tod_timer, cpu);
     env->cpu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, s390x_cpu_timer, cpu);
     s390_cpu_set_state(S390_CPU_STATE_STOPPED, cpu);
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index ac51c17fb4..4abfe88a3d 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -131,7 +131,6 @@ struct CPUS390XState {
 #endif
 
     uint64_t tod_offset;
-    uint64_t tod_basetime;
     QEMUTimer *tod_timer;
 
     QEMUTimer *cpu_timer;
diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c
index de1ced2082..dd5273949b 100644
--- a/target/s390x/misc_helper.c
+++ b/target/s390x/misc_helper.c
@@ -141,7 +141,7 @@ uint64_t HELPER(stck)(CPUS390XState *env)
     uint64_t time;
 
     time = env->tod_offset +
-        time2tod(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - env->tod_basetime);
+        time2tod(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
 
     return time;
 }
@@ -161,7 +161,7 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time)
     /* nanoseconds */
     time = tod2time(time);
 
-    timer_mod(env->tod_timer, env->tod_basetime + time);
+    timer_mod(env->tod_timer, time);
 }
 
 /* Set Tod Programmable Field */
-- 
2.17.1

  parent reply	other threads:[~2018-06-20 10:08 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-20 10:08 [Qemu-devel] [PATCH v2 0/7] s390x: TOD refactoring + TCG CPU hotplug support David Hildenbrand
2018-06-20 10:08 ` [Qemu-devel] [PATCH v2 1/7] s390x/tod: factor out TOD into separate device David Hildenbrand
2018-06-21 11:15   ` Thomas Huth
2018-06-21 11:51     ` David Hildenbrand
2018-06-20 10:08 ` David Hildenbrand [this message]
2018-06-21 11:33   ` [Qemu-devel] [PATCH v2 2/7] s390x/tcg: drop tod_basetime Thomas Huth
2018-06-20 10:08 ` [Qemu-devel] [PATCH v2 3/7] s390x/tcg: properly implement the TOD David Hildenbrand
2018-06-20 19:33   ` Richard Henderson
2018-06-20 20:33     ` David Hildenbrand
2018-06-20 21:00       ` Richard Henderson
2018-06-21 11:44   ` Thomas Huth
2018-06-21 11:52     ` David Hildenbrand
2018-06-20 10:08 ` [Qemu-devel] [PATCH v2 4/7] s390x/tcg: SET CLOCK COMPARATOR can clear CKC interrupts David Hildenbrand
2018-06-21 12:09   ` Thomas Huth
2018-06-21 13:54     ` David Hildenbrand
2018-06-21 14:01       ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-06-21 14:10       ` [Qemu-devel] " Cornelia Huck
2018-06-21 13:58     ` Cornelia Huck
2018-06-21 14:03       ` David Hildenbrand
2018-06-20 10:08 ` [Qemu-devel] [PATCH v2 5/7] s390x/tcg: implement SET CLOCK David Hildenbrand
2018-06-21 13:14   ` Thomas Huth
2018-06-21 14:01     ` David Hildenbrand
2018-06-21 14:23       ` Cornelia Huck
2018-06-20 10:08 ` [Qemu-devel] [PATCH v2 6/7] s390x/tcg: rearm the CKC timer during migration David Hildenbrand
2018-06-21 13:18   ` Thomas Huth
2018-06-20 10:08 ` [Qemu-devel] [PATCH v2 7/7] s390x/tcg: fix CPU hotplug with single-threaded TCG David Hildenbrand
2018-06-21 13:22   ` Thomas Huth

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180620100825.22476-3-david@redhat.com \
    --to=david@redhat.com \
    --cc=agraf@suse.de \
    --cc=borntraeger@de.ibm.com \
    --cc=cohuck@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-s390x@nongnu.org \
    --cc=rth@twiddle.net \
    --cc=thuth@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).