File 0309-kvmclock-use-the-updated-system_tim.patch of Package qemu-linux-user.15026

Overview Repositories Revisions Requests Users Attributes Meta

File 0309-kvmclock-use-the-updated-system_tim.patch of Package qemu-linux-user.15026

From c641c123c54995d427d937e7f22c55799b48a9bd 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 2bf5498236..cc48beac69 100644
--- a/hw/i386/kvm/clock.c
+++ b/hw/i386/kvm/clock.c
@@ -52,7 +52,7 @@ 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;
@@ -67,6 +67,7 @@ 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);

Places

File 0309-kvmclock-use-the-updated-system_tim.patch of Package qemu-linux-user.15026

Places