> -----Original Message----- > From: Thomas Monjalon [mailto:[email protected]] > Sent: Wednesday, May 9, 2018 10:47 PM > To: Xu, Rosen <[email protected]> > Cc: [email protected]; Zhang, Roy Fan <[email protected]>; Doherty, > Declan <[email protected]>; Richardson, Bruce > <[email protected]>; [email protected]; Yigit, Ferruh > <[email protected]>; Ananyev, Konstantin > <[email protected]>; Zhang, Tianfei <[email protected]>; > Liu, Song <[email protected]>; Wu, Hao <[email protected]>; > [email protected]; Wu, Yanglong <[email protected]> > Subject: Re: [dpdk-dev] [PATCH v10 3/3] iFPGA: Add Intel FPGA BUS Rawdev > Driver > > 09/05/2018 09:43, Xu, Rosen: > > From: Rosen Xu <[email protected]> > > > > Add Intel FPGA BUS Rawdev Driver which is based on librte_rawdev > > library. > > > > Signed-off-by: Rosen Xu <[email protected]> > > Signed-off-by: Yanglong Wu <[email protected]> > > Signed-off-by: Tianfei Zhang <[email protected]> > > Acked-by: Shreyansh Jain <[email protected]> > > I have a compilation error: > drivers/raw/ifpga_rawdev/base/ifpga_fme_pr.c:10:15: error: > instruction requires: AVX-512 ISA > > because of vmovdqu64: > > #if defined(RTE_ARCH_X86_64) > static inline void copy512(const void *src, void *dst) { > asm volatile("vmovdqu64 (%0), %%zmm0;" > "vmovntdq %%zmm0, (%1);" > : > : "r"(src), "r"(dst)); > } > #else > static inline void copy512(const void *src, void *dst) { > UNUSED(src); > UNUSED(dst); > WARN_ON(1); > } > #endif > > I suggest to fix it quickly without waiting a v11 with this: > > static inline void copy512(const void *src, void *dst) { #ifdef > CC_SUPPORT_AVX512F > asm volatile("vmovdqu64 (%0), %%zmm0;" > "vmovntdq %%zmm0, (%1);" > : > : "r"(src), "r"(dst)); > #else > UNUSED(src); > UNUSED(dst); > WARN_ON(1); > #endif > } > > It does not make any runtime detection, but it's better than previously. >
Which linux distribution are you use? We can compile it on Ubuntu 16.04 and RHEL 7.4. We will fix it on V11.
