Radim Krčmář 930f7fd6da KVM: mark requests that do not need a wakeup ... Some operations must ensure that the guest is not running with stale data, but if the guest is halted, then the update can wait until another event happens. kvm_make_all_requests() currently doesn't wake up, so we can mark all requests used with it. First 8 bits were arbitrarily reserved for request numbers. Most uses of requests have the request type as a constant, so a compiler will optimize the '&'. An alternative would be to have an inline function that would return whether the request needs a wake-up or not, but I like this one better even though it might produce worse assembly. Signed-off-by: Radim Krčmář <rkrcmar@redhat.com> Reviewed-by: Andrew Jones <drjones@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2017-04-27 14:13:57 +02:00
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asm	KVM: mark requests that do not need a wakeup	2017-04-27 14:13:57 +02:00
uapi/asm	Merge branch 'x86/process' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into HEAD	2017-04-21 11:55:06 +02:00