Re: [Xen-devel] [PATCH v2 4/4] xen: make clear gcov support limitation in Kconfig

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 06.09.16 at 14:41, <wei.liu2@xxxxxxxxxx> wrote:
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

with one possible further request:

> --- a/xen/Kconfig.debug
> +++ b/xen/Kconfig.debug
> @@ -33,6 +33,12 @@ config GCOV
>         ---help---
>           Enable gcov (a test coverage program in GCC) support.
>  
> +         Currently the data structure and hypercall interface are tied
> +         to GCC 3.4 gcov format. You need to have a version of GCC
> +         that is compatible with that format to make gcov work.

Is it known up to which gcc version that format did get used? I ask
because mentioning 3.4 when our minimum requirement is 4.1 now
is a little odd. If the format had changed by 4.1, we may want to
consider to make GCOV depend on BROKEN.

Jan


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