On Mon, Aug 19, 2019 at 1:41 PM Maxime Coquelin <maxime.coque...@redhat.com> wrote: > On 8/19/19 10:40 AM, David Marchand wrote: > > On Thu, Aug 15, 2019 at 6:16 PM David Christensen > > <d...@linux.vnet.ibm.com> wrote: > >> > >>>> Use of %llx print formatting causes meson build error on Power systems > >>>> with > >>>> RHEL 7.6 and gcc 4.8.5. Replace with PRIx64 macro. > >>>> > >>>> + (uint64_t)reg_struct.range.start, > >>>> + (uint64_t)reg_struct.range.start + > >>>> + (uint64_t)reg_struct.range.len - 1); > >> > >> I didn't need them when compiling on Power but it's the only way I could > >> get x86 to build without any warning: > >> > >> cc -Ilib/lib@@rte_vhost@sta -Ilib -I../lib -Ilib/librte_vhost > >> -I../lib/librte_vhost -I. -I../ -Iconfig -I../config > >> -Ilib/librte_eal/common/include -I../lib/librte_eal/common/include > >> -I../lib/librte_eal/linux/eal/include -Ilib/librte_eal/common > >> -I../lib/librte_eal/common -Ilib/librte_eal/common/include/arch/x86 > >> -I../lib/librte_eal/common/include/arch/x86 -Ilib/librte_eal > >> -I../lib/librte_eal -Ilib/librte_kvargs -I../lib/librte_kvargs > >> -Ilib/librte_ethdev -I../lib/librte_ethdev -Ilib/librte_net > >> -I../lib/librte_net -Ilib/librte_mbuf -I../lib/librte_mbuf > >> -Ilib/librte_mempool -I../lib/librte_mempool -Ilib/librte_ring > >> -I../lib/librte_ring -Ilib/librte_meter -I../lib/librte_meter > >> -Ilib/librte_cryptodev -I../lib/librte_cryptodev -Ilib/librte_hash > >> -I../lib/librte_hash -Ilib/librte_pci -I../lib/librte_pci -pipe > >> -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -O3 -include rte_config.h > >> -Wunused-parameter -Wsign-compare -Wcast-qual -D_GNU_SOURCE -fPIC > >> -march=native -fno-strict-aliasing -DALLOW_EXPERIMENTAL_API -MD -MQ > >> 'lib/lib@@rte_vhost@sta/librte_vhost_vhost_user.c.o' -MF > >> 'lib/lib@@rte_vhost@sta/librte_vhost_vhost_user.c.o.d' -o > >> 'lib/lib@@rte_vhost@sta/librte_vhost_vhost_user.c.o' -c > >> ../lib/librte_vhost/vhost_user.c > >> ../lib/librte_vhost/vhost_user.c: In function ‘vhost_user_set_mem_table’: > >> ../lib/librte_vhost/vhost_user.c:1088:4: warning: format ‘%lx’ expects > >> argument of type ‘long unsigned int’, but argument 4 has type ‘__u64’ > >> [-Wformat=] > >> RTE_LOG(INFO, VHOST_CONFIG, > >> ^ > >> ../lib/librte_vhost/vhost_user.c:1088:4: warning: format ‘%lx’ expects > >> argument of type ‘long unsigned int’, but argument 5 has type ‘__u64’ > >> [-Wformat=] > >> > >> This system was also RHEL 7.6 with gcc 4.8.5-36 > > > > Ok, I run the same. > > The catch is that I did not have RTE_LIBRTE_VHOST_POSTCOPY enabled in > > my working environment (using make) while meson enables it as long as > > userfaultd.h is present. > > > > Maxime, Tiwei, > > > > Can't we use uintXX_t instead of (what looks to me) kernel types __uXX ? > > > > > > That actually comes from a kernel header (linux/userfaultfd.h), so I > would say no.
Sorry, I had forgotten about this patch. Seems fine to me then. Maxime, Tiwei? -- David Marchand