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kvm: Return -ENODEV from update_persistent_clock

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kvm does not support setting the RTC, so the correct result is -ENODEV.
Returning -1 will cause sync_cmos_clock to keep trying to set the RTC
every second.

Signed-off-by: Jason Gunthorpe <jgg@ziepe.ca>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jason Gunthorpe 2017-10-31 14:28:09 -06:00 committed by Paolo Bonzini
parent cc9085b687
commit 008755209c
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/kvmclock.c
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@ -79,7 +79,7 @@ static void kvm_get_wallclock(struct timespec *now)
static int kvm_set_wallclock(const struct timespec *now)
{
return -1;
return -ENODEV;
}
static u64 kvm_clock_read(void)