On Tue, Dec 15, 2020 at 11:28:50AM -0500, Michael Jeanson wrote: > We shouldn't force a specific target cpu for the compiler on ARMv7 but > let the system or the user choose it. If some of our code depends on a > specific target CPU features, it should be compile tested. > > Also remove the default optimisation level of O1, it's potentially a > workaround to an early armv7 compiler performance problem and anyway > most builds will have an optimisation level flag set in the CFLAGS which > will override this one.
Indeed, the original was based on advice from ARM that has undoubtedly changed over time, so... > Signed-off-by: Michael Jeanson <mjean...@efficios.com> > Cc: Paul E. McKenney <paul...@kernel.org> Acked-by: Paul E. McKenney <paul...@kernel.org> > Change-Id: I1d1bb5cc0fa0be8f8b1d6a9ad7bf063809be1aef > --- > configure.ac | 4 ---- > 1 file changed, 4 deletions(-) > > diff --git a/configure.ac b/configure.ac > index daa967a..f477425 100644 > --- a/configure.ac > +++ b/configure.ac > @@ -119,10 +119,6 @@ AS_CASE([$host],[*-cygwin*], > [AM_CONDITIONAL(USE_CYGWIN, false)] > ) > > -AS_IF([test "$host_cpu" = "armv7l"],[ > - AM_CFLAGS="$AM_CFLAGS -mcpu=cortex-a9 -mtune=cortex-a9 -O1" > -]) > - > # Search for clock_gettime > AC_SEARCH_LIBS([clock_gettime], [rt], [ > AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1]) > -- > 2.29.2 > _______________________________________________ lttng-dev mailing list lttng-dev@lists.lttng.org https://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
