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Re: [Qemu-devel] [PATCH] ohci: Fix compile errors without --enable-trace
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH] ohci: Fix compile errors without --enable-trace-backend |
Date: |
Wed, 24 Sep 2014 10:47:59 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Sep 23, 2014 at 08:19:41PM +1000, Alexey Kardashevskiy wrote:
> This adds a stub for ohci_td_pkt() function (which traces packets)
> when configured without --enable-trace-backend
>
> Signed-off-by: Alexey Kardashevskiy <address@hidden>
> ---
>
> It should probably be squashed to
> [PATCH] ohci: Convert fprint/DPRINTF/print to traces
>
> Sorry about that...
>
> ---
> hw/usb/hcd-ohci.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c
> index 4a4dd02..7ea871d 100644
> --- a/hw/usb/hcd-ohci.c
> +++ b/hw/usb/hcd-ohci.c
> @@ -920,6 +920,7 @@ static int ohci_service_iso_td(OHCIState *ohci, struct
> ohci_ed *ed,
> return 1;
> }
>
> +#ifdef trace_event_get_state
> static void ohci_td_pkt(const char *msg, const uint8_t *buf, size_t len)
> {
> bool print16 = !!trace_event_get_state(TRACE_USB_OHCI_TD_PKT_SHORT);
The preferred define for this is CONFIG_TRACE_NOP.
Checking for trace_event_get_state could break if trace/control.h
changes in the future.
Stefan
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