Messages in this thread | | | Date | Fri, 7 Sep 2018 15:42:46 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH] perf: enum overflow in uapi/linux/perf_event.h |
| |
On Fri, Sep 07, 2018 at 01:27:19PM +0000, Christophe Leroy wrote: > On PPC32, enums are 32 bits, so __PERF_SAMPLE_CALLCHAIN_EARLY is > out of scope. The following sparse warning is encountered: > > CHECK arch/powerpc/kernel/process.c > ./include/uapi/linux/perf_event.h:147:56: warning: cast truncates bits from constant value (8000000000000000 becomes 0)
Urgh... what compiler is that? I've not seen anything like that from the build bots.
| |