20/09/2018 15:11, Anatoly Burakov: > Currently, DPDK will skip mapping some areas (or even an entire BAR) > if MSI-X table happens to be in them but is smaller than page size. > > Kernels 4.16+ will allow mapping MSI-X BARs [1], and will report this > as a capability flag. Capability flags themselves are also only > supported since kernel 4.6 [2]. > > This commit will introduce support for checking VFIO capabilities, > and will use it to check if we are allowed to map BARs with MSI-X > tables in them, along with backwards compatibility for older > kernels, including a workaround for a variable rename in VFIO > region info structure [3]. > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/ > linux.git/commit/?id=a32295c612c57990d17fb0f41e7134394b2f35f6 > > [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/ > linux.git/commit/?id=c84982adb23bcf3b99b79ca33527cd2625fbe279 > > [3] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/ > linux.git/commit/?id=ff63eb638d63b95e489f976428f1df01391e15e4 > > Signed-off-by: Anatoly Burakov <anatoly.bura...@intel.com>
Applied, thanks
