On 4/20/2018 12:17 PM, Jason Gunthorpe wrote: > On Fri, Apr 20, 2018 at 12:08:10PM -0500, Steve Wise wrote: >> >>> From: Jason Gunthorpe <jgg@xxxxxxxxxxxx> >>> Sent: Friday, April 20, 2018 11:57 AM >>> To: linux-rdma@xxxxxxxxxxxxxxx >>> Cc: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx> >>> Subject: [PATCH rdma-core] Check for broken strict aliasing >>> >>> At least the gcc 4.4 that comes with Centos6 does not support this >>> properly and throws bogus warnings. >>> >>> Globally disable strict aliasing for safety on these compilers. >>> >>> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> >>> CMakeLists.txt | 10 ++++++++++ >>> buildlib/RDMA_EnableCStd.cmake | 28 ++++++++++++++++++++++++++++ >>> 2 files changed, 38 insertions(+) >>> >>> Here is the patch you wanted Steve.. It works for you? >> Thanks Jason! Is there a git repo I can pull this from? I'll test it out. > No, just 'git am' it from patchworks: > > curl https://patchwork.kernel.org/patch/10353259/mbox/ | git am - > > Jason Hey Jason, I'm still seeing this warning. Was it supposed to be fixed by the patch? I no longer see aliasing warnings, so that part tests good. [ 26%] Building C object libibverbs/CMakeFiles/ibverbs.dir/enum_strs.c.o /root/stevo/rdma-core/libibverbs/enum_strs.c: In function ‘ibv_port_state_str’: /root/stevo/rdma-core/libibverbs/enum_strs.c:63: warning: comparison of unsigned expression < 0 is always false /root/stevo/rdma-core/libibverbs/enum_strs.c: In function ‘ibv_event_type_str’: /root/stevo/rdma-core/libibverbs/enum_strs.c:94: warning: comparison of unsigned expression < 0 is always false /root/stevo/rdma-core/libibverbs/enum_strs.c: In function ‘ibv_wc_status_str’: /root/stevo/rdma-core/libibverbs/enum_strs.c:129: warning: comparison of unsigned expression < 0 is always false -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
