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xen.trc-domain_has_ioreq_server.patch
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File xen.trc-domain_has_ioreq_server.patch of Package xen
From: Olaf Hering <olaf@aepfle.de> Date: Thu, 15 Jun 2023 08:32:21 +0000 Subject: trc domain_has_ioreq_server Signed-off-by: Olaf Hering <olaf@aepfle.de> --- xen/common/ioreq.c | 13 +++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) --- a/xen/common/ioreq.c +++ b/xen/common/ioreq.c @@ -130,29 +130,38 @@ static ioreq_t *get_ioreq(struct ioreq_server *s, struct vcpu *v) return &p->vcpu_ioreq[v->vcpu_id]; } /* * This should only be used when d == current->domain or when they're * distinct and d is paused. Otherwise the result is stale before * the caller can inspect it. */ bool domain_has_ioreq_server(const struct domain *d) { const struct ioreq_server *s; unsigned int id; + bool has_ioreq = false; + trc_domain_has_ioreq_server_t trc = { + .d = d->domain_id, + }; FOR_EACH_IOREQ_SERVER(d, id, s) - return true; + { + has_ioreq = true; + break; + } - return false; + trc.has_ioreq = has_ioreq; + TRACE_trc(TRC_IOREQ_domain_has_ioreq_server); + return has_ioreq; } static struct ioreq_vcpu *get_pending_vcpu(const struct vcpu *v, struct ioreq_server **srvp) { struct domain *d = v->domain; struct ioreq_server *s; unsigned int id; FOR_EACH_IOREQ_SERVER(d, id, s) { struct ioreq_vcpu *sv;
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