On 3/22/2017 10:04 AM, David Woodhouse wrote: > On Wed, 2017-03-22 at 09:54 -0400, Sinan Kaya wrote: >> On 3/22/2017 9:25 AM, David Woodhouse wrote: >>> >>> >>> +#ifdef __aarch64__ >>> +/* ARM64 wants to be special and not expose this through /proc >>> like everyone else */ >>> +#undef HAVE_PCI_MMAP >>> +#endif >>> + >> Where is this ARM64 special requirement coming from? > > The idea is that as a new platform, ARM64 shouldn't need to implement > legacy userspace interfaces. > > http://lists.infradead.org/pipermail/linux-arm-kernel/2016-April/422571.html > Aren't we breaking an ABI for userspace? I know DPDK relies on this feature. -- Sinan Kaya Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
