linux-kernel - Re: [PATCH v4 2/2] KVM: LAPIC: remove the trailing newline used in the fmt parameter of TP

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Date:   Wed, 3 Jul 2019 16:14:22 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Wanpeng Li <kernellwp@...il.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     Radim Krčmář <rkrcmar@...hat.com>
Subject: Re: [PATCH v4 2/2] KVM: LAPIC: remove the trailing newline used in
 the fmt parameter of TP_printk

On 14/06/19 03:15, Wanpeng Li wrote:
> From: Wanpeng Li <wanpengli@...cent.com>
> 
> The trailing newlines will lead to extra newlines in the trace file
> which looks like the following output, so remove it.
> 
> qemu-system-x86-15695 [002] ...1 15774.839240: kvm_hv_timer_state: vcpu_id 0 hv_timer 1
> 
> qemu-system-x86-15695 [002] ...1 15774.839309: kvm_hv_timer_state: vcpu_id 0 hv_timer 1
> 
> Cc: Paolo Bonzini <pbonzini@...hat.com>
> Cc: Radim Krčmář <rkrcmar@...hat.com>
> Signed-off-by: Wanpeng Li <wanpengli@...cent.com>
> ---
>  arch/x86/kvm/trace.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
> index 4d47a26..b5c831e 100644
> --- a/arch/x86/kvm/trace.h
> +++ b/arch/x86/kvm/trace.h
> @@ -1365,7 +1365,7 @@ TRACE_EVENT(kvm_hv_timer_state,
>  			__entry->vcpu_id = vcpu_id;
>  			__entry->hv_timer_in_use = hv_timer_in_use;
>  			),
> -		TP_printk("vcpu_id %x hv_timer %x\n",
> +		TP_printk("vcpu_id %x hv_timer %x",
>  			__entry->vcpu_id,
>  			__entry->hv_timer_in_use)
>  );
> 

Queued 2/2, thanks.

Paolo