Re: linux-next: build failure after merge of the bpf-next tree

Daniel Borkmann
2022-04-21T09:46:17Z

On 4/21/22 2:32 AM, Stephen Rothwell wrote:
> Hi all,

Maciej, I presume you are already working on a follow-up for the below?

> On Tue, 19 Apr 2022 11:56:20 +1000 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>>
>> After merging the bpf-next tree, today's linux-next build
>> (x86_64 allmodconfig) failed like this:
>>
>> In file included from include/linux/compiler_types.h:73,
>> from <command-line>:
>> drivers/net/ethernet/intel/i40e/i40e_xsk.c: In function 'i40e_run_xdp_zc':
>> include/linux/compiler_attributes.h:222:41: error: attribute 'fallthrough' not preceding a case label or default label [-Werror]
>> 222 | # define fallthrough __attribute__((__fallthrough__))
>> | ^~~~~~~~~~~~~
>> drivers/net/ethernet/intel/i40e/i40e_xsk.c:192:17: note: in expansion of macro 'fallthrough'
>> 192 | fallthrough; /* handle aborts by dropping packet */
>> | ^~~~~~~~~~~
>> cc1: all warnings being treated as errors
>> In file included from include/linux/compiler_types.h:73,
>> from <command-line>:
>> drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c: In function 'ixgbe_run_xdp_zc':
>> include/linux/compiler_attributes.h:222:41: error: attribute 'fallthrough' not preceding a case label or default label [-Werror]
>> 222 | # define fallthrough __attribute__((__fallthrough__))
>> | ^~~~~~~~~~~~~
>> drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c:147:17: note: in expansion of macro 'fallthrough'
>> 147 | fallthrough; /* handle aborts by dropping packet */
>> | ^~~~~~~~~~~
>> cc1: all warnings being treated as errors
>>
>> Caused by commits
>>
>> b8aef650e549 ("i40e, xsk: Terminate Rx side of NAPI when XSK Rx queue gets full")
>> c7dd09fd4628 ("ixgbe, xsk: Terminate Rx side of NAPI when XSK Rx queue gets full")
>>
>> I have used the bpf-next tree from next-20220414 for today.
>
> I am still getting these failures ...
>