On 19.09.2013 12:21, Frantisek Hrbata wrote: > On Thu, Sep 19, 2013 at 11:04:16AM +0200, Peter Oberparleiter wrote: >> On 04.09.2013 16:42, Frantisek Hrbata wrote: >>> The gcov in-memory format changed in gcc 4.7. The biggest change, which >>> requires this special implementation, is that gcov_info no longer contains >>> array of counters for each counter type for all functions and gcov_fn_info >>> is >>> not used for mapping of function's counters to these arrays(offset). Now >>> each >>> gcov_fn_info contans it's counters, which makes things a little bit easier. >>> >>> This is heavily based on the previous gcc_3_4.c implementation and patches >>> provided by Peter Oberparleiter. Specially the buffer gcda implementation >>> for >>> iterator. >>> >>> v2: - removed const definition for gcov_fn_info in gcov_info >>> - use vmalloc for counter values in gcov_info_dup >>> - use iter buffer for gcda >>> >>> Signed-off-by: Frantisek Hrbata <fhrb...@redhat.com> >> >> The patch is missing an include statement: >> >> CC kernel/gcov/gcc_4_7.o >> kernel/gcov/gcc_4_7.c: In function ‘gcov_info_dup’: >> kernel/gcov/gcc_4_7.c:293:4: error: implicit declaration of function >> ‘vmalloc’ [-Werror=implicit-function-declaration] >> kernel/gcov/gcc_4_7.c:293:20: warning: assignment makes pointer from integer >> without a cast [enabled by default] >> >> With that added, it compiles and works with gcc 4.3.4 and 4.7.2 on >> kernel 3.21-rc1 on s390x. >> >> --- a/kernel/gcov/gcc_4_7.c >> +++ b/kernel/gcov/gcc_4_7.c >> @@ -15,6 +15,7 @@ >> #include <linux/slab.h> >> #include <linux/string.h> >> #include <linux/seq_file.h> >> +#include <linux/vmalloc.h> >> #include "gcov.h" >> >> #define GCOV_COUNTERS 8 >> > > Hi Peter, > > I'm sorry I missed that. Many thanks. In addition, do you have any other > objedtions to the code? Andrew already added the patches to the -mm tree. > Andrew, should I post a follow up patch adding the vmalloc.h include or is it > possible to fix it directly as you did for the previous patches? > Again I'm sorry for the inconvenience.
With the fix applied I have no further objections. Reviewed-by: Peter Oberparleiter <ober...@linux.vnet.ibm.com> Thanks! -- Peter Oberparleiter Linux on System z Development - IBM Germany -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
