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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu On 9/21/21 8:05 PM, Sean Christopherson wrote: > From: Like Xu > > To prepare for using static_calls to optimize perf's guest callbacks, > replace ->is_in_guest and ->is_user_mode with a new multiplexed hook > ->state, tweak ->handle_intel_pt_intr to play nice with being called when > there is no active guest, and drop "guest" from ->is_in_guest. > > Return '0' from ->state and ->handle_intel_pt_intr to indicate "not in > guest" so that DEFINE_STATIC_CALL_RET0 can be used to define the static > calls, i.e. no callback == !guest. > > Suggested-by: Peter Zijlstra (Intel) > Originally-by: Peter Zijlstra (Intel) > Signed-off-by: Like Xu > Signed-off-by: Zhu Lingshan > [sean: extracted from static_call patch, fixed get_ip() bug, wrote changelog] > Signed-off-by: Sean Christopherson For Xen bits Reviewed-by: Boris Ostrovsky _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm