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(no To-header on input) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch is to trace log in the hyperv_nested_flush_ guest_mapping_range(). Signed-off-by: Lan Tianyu --- arch/x86/hyperv/nested.c | 1 + arch/x86/include/asm/trace/hyperv.h | 14 ++++++++++++++ 2 files changed, 15 insertions(+) diff --git a/arch/x86/hyperv/nested.c b/arch/x86/hyperv/nested.c index 40ddbfd54573..ae7181c6ede4 100644 --- a/arch/x86/hyperv/nested.c +++ b/arch/x86/hyperv/nested.c @@ -154,6 +154,7 @@ int hyperv_flush_guest_mapping_range(u64 as, struct hyp= erv_tlb_range *range) else ret =3D status; fault: + trace_hyperv_nested_flush_guest_mapping_range(as, ret); return ret; } EXPORT_SYMBOL_GPL(hyperv_flush_guest_mapping_range); diff --git a/arch/x86/include/asm/trace/hyperv.h b/arch/x86/include/asm/tra= ce/hyperv.h index 2e6245a023ef..ace464f09681 100644 --- a/arch/x86/include/asm/trace/hyperv.h +++ b/arch/x86/include/asm/trace/hyperv.h @@ -42,6 +42,20 @@ TRACE_EVENT(hyperv_nested_flush_guest_mapping, TP_printk("address space %llx ret %d", __entry->as, __entry->ret) ); =20 +TRACE_EVENT(hyperv_nested_flush_guest_mapping_range, + TP_PROTO(u64 as, int ret), + TP_ARGS(as, ret), + + TP_STRUCT__entry( + __field(u64, as) + __field(int, ret) + ), + TP_fast_assign(__entry->as =3D as; + __entry->ret =3D ret; + ), + TP_printk("address space %llx ret %d", __entry->as, __entry->ret) + ); + TRACE_EVENT(hyperv_send_ipi_mask, TP_PROTO(const struct cpumask *cpus, int vector), --=20 2.14.4