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Blame SOURCES/kvm-Revert-kvmclock-Ensure-proper-env-tsc-value-for-kvmc.patch

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From 51db6795c68e1d00373d373c043543bbc6fb8f08 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>
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Date: Wed, 22 Oct 2014 09:46:33 +0200
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Subject: [PATCH 2/6] Revert "kvmclock: Ensure proper env->tsc value for
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 kvmclock_current_nsec calculation"
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Message-id: <1413971197-4624-2-git-send-email-dgilbert@redhat.com>
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Patchwork-id: 61789
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O-Subject: [RHEL-7.1 qemu-kvm PATCH 1/5] Revert "kvmclock: Ensure proper env->tsc value for kvmclock_current_nsec calculation"
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Bugzilla: 1098602 1130428
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RH-Acked-by: Marcelo Tosatti <mtosatti@redhat.com>
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RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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This reverts commit da4fe791cecafbec05395041c52cb545308b1b61.
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The equivalent upstream revert is Paolo's 108e4c3871e0d0cd185c
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 hw/i386/kvm/clock.c | 4 ----
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 1 file changed, 4 deletions(-)
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diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c
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index d52c2ea..1f2a26e 100644
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--- a/hw/i386/kvm/clock.c
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+++ b/hw/i386/kvm/clock.c
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@@ -17,7 +17,6 @@
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 #include "qemu/host-utils.h"
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 #include "sysemu/sysemu.h"
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 #include "sysemu/kvm.h"
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-#include "sysemu/cpus.h"
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 #include "hw/sysbus.h"
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 #include "hw/kvm/clock.h"
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@@ -61,7 +60,6 @@ static uint64_t kvmclock_current_nsec(KVMClockState *s)
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     cpu_physical_memory_read(kvmclock_struct_pa, &time, sizeof(time));
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-    assert(time.tsc_timestamp <= migration_tsc);
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     delta = migration_tsc - time.tsc_timestamp;
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     if (time.tsc_shift < 0) {
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         delta >>= -time.tsc_shift;
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@@ -120,8 +118,6 @@ static void kvmclock_vm_state_change(void *opaque, int running,
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         if (s->clock_valid) {
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             return;
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         }
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-
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-        cpu_synchronize_all_states();
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         ret = kvm_vm_ioctl(kvm_state, KVM_GET_CLOCK, &data);
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         if (ret < 0) {
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             fprintf(stderr, "KVM_GET_CLOCK failed: %s\n", strerror(ret));
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-- 
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1.8.3.1
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