On Mon, Feb 27, 2017 at 09:33:19AM -0500, Aaron Conole wrote:
> Bruce Richardson <bruce.richard...@intel.com> writes:
>
> > On Sat, Feb 25, 2017 at 11:02:49AM -0500, Aaron Conole wrote:
> >> This adds a new API to check for the eal cpu versions.
> >>
> >> Signed-off-by: Aaron Conole <acon...@redhat.com>
> >> ---
> >> lib/librte_eal/common/eal_common_cpuflags.c | 13 +++++++++++--
> >> lib/librte_eal/common/include/generic/rte_cpuflags.h | 9 +++++++++
> >> 2 files changed, 20 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/lib/librte_eal/common/eal_common_cpuflags.c
> >> b/lib/librte_eal/common/eal_common_cpuflags.c
> >> index b5f76f7..2c2127b 100644
> >> --- a/lib/librte_eal/common/eal_common_cpuflags.c
> >> +++ b/lib/librte_eal/common/eal_common_cpuflags.c
> >> @@ -43,6 +43,13 @@
> >> void
> >> rte_cpu_check_supported(void)
> >> {
> >> + if (!rte_cpu_is_supported())
> >> + exit(1);
> >> +}
> >> +
> >> +bool
> >> +rte_cpu_is_supported(void)
> >> +{
> >> /* This is generated at compile-time by the build system */
> >> static const enum rte_cpu_flag_t compile_time_flags[] = {
> >> RTE_COMPILE_TIME_CPUFLAGS
> >> @@ -57,14 +64,16 @@ rte_cpu_check_supported(void)
> >> fprintf(stderr,
> >> "ERROR: CPU feature flag lookup failed with
> >> error %d\n",
> >> ret);
> >> - exit(1);
> >> + return false;
> >> }
> >> if (!ret) {
> >> fprintf(stderr,
> >> "ERROR: This system does not support \"%s\".\n"
> >> "Please check that RTE_MACHINE is set
> >> correctly.\n",
> >> rte_cpu_get_flag_name(compile_time_flags[i]));
> >> - exit(1);
> >> + return false;
> >> }
> >> }
> >> +
> >> + return true;
> >> }
> >> diff --git a/lib/librte_eal/common/include/generic/rte_cpuflags.h
> >> b/lib/librte_eal/common/include/generic/rte_cpuflags.h
> >> index 71321f3..e4342ad 100644
> >> --- a/lib/librte_eal/common/include/generic/rte_cpuflags.h
> >> +++ b/lib/librte_eal/common/include/generic/rte_cpuflags.h
> >> @@ -40,6 +40,7 @@
> >> */
> >>
> >> #include <errno.h>
> >> +#include <stdbool.h>
> >>
> >
> > The addition of this include is causing all sorts of compilation errors
> > inside the PMDs, as many of them seem to be defining their own bools
> > types. :-(
> >
> > For safety sake, probably best to have the function return int rather
> > than bool.
>
> Will do - I never saw the issue, but perhaps I was excluding the PMDs
> in question.
>
> Thanks for the review, Bruce!
No problem.
FYI, the drivers I saw the errors in with this patch are:
* qede
* i40e
* ixgbe
* cxgbe
Regards,
/Bruce
