>On 10/4/2021 11:02 AM, Pavan Nikhilesh Bhagavatula wrote: >>> On 10/4/2021 6:56 AM, pbhagavat...@marvell.com wrote: >>>> From: Pavan Nikhilesh <pbhagavat...@marvell.com> >>>> >>>> Due to Linux kernel AF(Admin function) driver dependency, only >>> enable >>>> build for 64-bit Linux. >>>> >>> >>> Hi Pavan, >>> >>> Isn't it possible to provide a commit log in the kernel side etc, that let >>> others to verify why only 64 bit is required, or if someone want to >>> support >>> 32bit that may help them to investigate the source of the restriction. >> >> Arch 32 support is not implemented on ThunderX, so 32bit will not >run. >> > >I see, is following correct: >All thunderx, octeonx & octeontx2 only supports VF in the DPDK, and PF >is >supported by Linux kernel driver. And Linux kernel driver doesn't >support arch32.
AF != PF, AF is something that manages all the shared resources between PF/VF. > >Is something changed in kernel driver side to drop the 32bit support? >If it was not supported at all, what is the motivation to disable the DPDK >drivers now? > It was never supported to begin with, motivation is that build will fail if we try to compile with 32b. >>> >>>> Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com> >>>> Acked-by: Jerin Jacob <jer...@marvell.com> >>>> --- >>>> v5 Changes >>>> - s/fuction/function. >>>> >>>> v4 Changes: >>>> - Update commit message regarding dependency on AF driver. >>>> >>>> drivers/net/thunderx/meson.build | 4 ++-- >>>> 1 file changed, 2 insertions(+), 2 deletions(-) >>>> >>>> diff --git a/drivers/net/thunderx/meson.build >>> b/drivers/net/thunderx/meson.build >>>> index 4bbcea7f93..da665bd76f 100644 >>>> --- a/drivers/net/thunderx/meson.build >>>> +++ b/drivers/net/thunderx/meson.build >>>> @@ -1,9 +1,9 @@ >>>> # SPDX-License-Identifier: BSD-3-Clause >>>> # Copyright(c) 2017 Cavium, Inc >>>> >>>> -if is_windows >>>> +if not is_linux or not dpdk_conf.get('RTE_ARCH_64') >>>> build = false >>>> - reason = 'not supported on Windows' >>>> + reason = 'only supported on 64-bit Linux' >>>> subdir_done() >>>> endif >>>> >>>> -- >>>> 2.17.1 >>>> >>