Blame SOURCES/kvm-s390x-tcg-drop-tod_basetime.patch

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From 7e7cd720a64754c0ebe4b38b310ceef2fc839c64 Mon Sep 17 00:00:00 2001
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From: David Hildenbrand <david@redhat.com>
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Date: Fri, 21 Dec 2018 15:39:49 +0100
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Subject: [PATCH 05/14] s390x/tcg: drop tod_basetime
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RH-Author: David Hildenbrand <david@redhat.com>
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Message-id: <20181221153957.28183-5-david@redhat.com>
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Patchwork-id: 83768
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O-Subject: [RHEL-7.6.z qemu-kvm-ma PATCH 04/12] s390x/tcg: drop tod_basetime
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Bugzilla: 1672920
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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Never set to anything but 0.
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Signed-off-by: David Hildenbrand <david@redhat.com>
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Message-Id: <20180627134410.4901-5-david@redhat.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit f777b20544fe5db3de179a83374cbf9f1e454427)
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Signed-off-by: David Hildenbrand <david@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 target/s390x/cpu.c         | 1 -
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 target/s390x/cpu.h         | 1 -
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 target/s390x/misc_helper.c | 4 ++--
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 3 files changed, 2 insertions(+), 4 deletions(-)
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diff --git a/target/s390x/cpu.c b/target/s390x/cpu.c
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index 167d089..5570741 100644
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--- a/target/s390x/cpu.c
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+++ b/target/s390x/cpu.c
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@@ -290,7 +290,6 @@ static void s390_cpu_initfn(Object *obj)
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     qemu_get_timedate(&tm, 0);
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     env->tod_offset = TOD_UNIX_EPOCH +
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                       (time2tod(mktimegm(&tm)) * 1000000000ULL);
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-    env->tod_basetime = 0;
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     env->tod_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, s390x_tod_timer, cpu);
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     env->cpu_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, s390x_cpu_timer, cpu);
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     s390_cpu_set_state(S390_CPU_STATE_STOPPED, cpu);
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diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
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index 67118c8..04f9adf 100644
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--- a/target/s390x/cpu.h
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+++ b/target/s390x/cpu.h
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@@ -134,7 +134,6 @@ struct CPUS390XState {
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 #endif
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     uint64_t tod_offset;
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-    uint64_t tod_basetime;
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     QEMUTimer *tod_timer;
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     QEMUTimer *cpu_timer;
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diff --git a/target/s390x/misc_helper.c b/target/s390x/misc_helper.c
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index e0b23c1..8b3b040 100644
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--- a/target/s390x/misc_helper.c
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+++ b/target/s390x/misc_helper.c
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@@ -142,7 +142,7 @@ uint64_t HELPER(stck)(CPUS390XState *env)
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     uint64_t time;
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     time = env->tod_offset +
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-        time2tod(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) - env->tod_basetime);
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+        time2tod(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
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     return time;
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 }
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@@ -162,7 +162,7 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time)
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     /* nanoseconds */
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     time = tod2time(time);
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-    timer_mod(env->tod_timer, env->tod_basetime + time);
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+    timer_mod(env->tod_timer, time);
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 }
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 /* Set Tod Programmable Field */
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-- 
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1.8.3.1
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