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[Xen-changelog] [xen master] x86/HVM: avoid truncation of PM timer I/O port range version

commit 4be325e5d4106b9447586cd19dd92a4a78b49598
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Fri Jan 31 16:48:25 2020 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Fri Jan 31 16:48:25 2020 +0100

    x86/HVM: avoid truncation of PM timer I/O port range version
    Don't silently ignore the upper 32 bits.
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Wei Liu <wl@xxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
 xen/arch/x86/hvm/pmtimer.c    | 4 ++--
 xen/include/asm-x86/hvm/vpt.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/hvm/pmtimer.c b/xen/arch/x86/hvm/pmtimer.c
index 21ebb93331..97b9e41712 100644
--- a/xen/arch/x86/hvm/pmtimer.c
+++ b/xen/arch/x86/hvm/pmtimer.c
@@ -313,9 +313,9 @@ static int acpi_load(struct domain *d, hvm_domain_context_t 
                           1, HVMSR_PER_DOM);
-int pmtimer_change_ioport(struct domain *d, unsigned int version)
+int pmtimer_change_ioport(struct domain *d, uint64_t version)
-    unsigned int old_version;
+    uint64_t old_version;
     if ( !has_vpm(d) )
         return -ENODEV;
diff --git a/xen/include/asm-x86/hvm/vpt.h b/xen/include/asm-x86/hvm/vpt.h
index 99169dd625..3fc78f8f49 100644
--- a/xen/include/asm-x86/hvm/vpt.h
+++ b/xen/include/asm-x86/hvm/vpt.h
@@ -188,7 +188,7 @@ void rtc_update_clock(struct domain *d);
 void pmtimer_init(struct vcpu *v);
 void pmtimer_deinit(struct domain *d);
 void pmtimer_reset(struct domain *d);
-int pmtimer_change_ioport(struct domain *d, unsigned int version);
+int pmtimer_change_ioport(struct domain *d, uint64_t version);
 void hpet_init(struct domain *d);
 void hpet_deinit(struct domain *d);
generated by git-patchbot for /home/xen/git/xen.git#master

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