Re: [Xen-devel] [PATCH v4 08/15] xenctx: More info on failed to map page.

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 03/18/2014 10:15 PM, Don Slutz wrote:
> From: Don Slutz <Don@xxxxxxxxxxxxxxx>
>
> Also output an extra new line since we may be in the middle of output.
>
> Signed-off-by: Don Slutz <Don@xxxxxxxxxxxxxxx>
> Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

> ---
>   tools/xentrace/xenctx.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/xentrace/xenctx.c b/tools/xentrace/xenctx.c
> index 9816300..22a1704 100644
> --- a/tools/xentrace/xenctx.c
> +++ b/tools/xentrace/xenctx.c
> @@ -613,7 +613,7 @@ static void *map_page(vcpu_guest_context_any_t *ctx, int 
> vcpu, guest_word_t virt
>       mapped = xc_map_foreign_range(xenctx.xc_handle, xenctx.domid, 
> XC_PAGE_SIZE, PROT_READ, mfn);
>   
>       if (mapped == NULL) {
> -        fprintf(stderr, "failed to map page.\n");
> +        fprintf(stderr, "\nfailed to map page for "FMT_32B_WORD".\n", virt);
>           return NULL;
>       }
>   

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