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openSUSE:Maintenance:9835
qemu-testsuite.openSUSE_Leap_42.3_Update
0138-kvmclock-use-the-updated-system_tim.patch
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File 0138-kvmclock-use-the-updated-system_tim.patch of Package qemu-testsuite.openSUSE_Leap_42.3_Update
From 96cccd29414e5e9ed407cdf3e10fcb0729542ff0 Mon Sep 17 00:00:00 2001 From: Jim Somerville <Jim.Somerville@windriver.com> Date: Fri, 29 Sep 2017 12:00:19 -0400 Subject: [PATCH] kvmclock: use the updated system_timer_msr Fixes e2b6c17 (kvmclock: update system_time_msr address forcibly) which makes a call to get the latest value of the address stored in system_timer_msr, but then uses the old address anyway. Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com> Message-Id: <59b67db0bd15a46ab47c3aa657c81a4c11f168ea.1506702472.git.Jim.Somerville@windriver.com> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> (cherry picked from commit 346b1215b1e9f7cc6d8fe9fb6f3c2778b890afb6) [BR: BSC#1113231] Signed-off-by: Bruce Rogers <brogers@suse.com> --- hw/i386/kvm/clock.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c index 363d1b5743..a31d8ff240 100644 --- a/hw/i386/kvm/clock.c +++ b/hw/i386/kvm/clock.c @@ -62,7 +62,7 @@ static uint64_t kvmclock_current_nsec(KVMClockState *s) { CPUState *cpu = first_cpu; CPUX86State *env = cpu->env_ptr; - hwaddr kvmclock_struct_pa = env->system_time_msr & ~1ULL; + hwaddr kvmclock_struct_pa; uint64_t migration_tsc = env->tsc; struct pvclock_vcpu_time_info time; uint64_t delta; @@ -77,6 +77,7 @@ static uint64_t kvmclock_current_nsec(KVMClockState *s) return 0; } + kvmclock_struct_pa = env->system_time_msr & ~1ULL; cpu_physical_memory_read(kvmclock_struct_pa, &time, sizeof(time)); assert(time.tsc_timestamp <= migration_tsc);
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