Re: [PATCH v2] byteswap: try to avoid __builtin_constant_p gcc bug

[Andrew Morton]

On Mon, 02 May 2016 23:48:19 +0200 Arnd Bergmann <arnd@xxxxxxxx> wrote:

> This is another attempt to avoid a regression in wwn_to_u64() after
> that started using get_unaligned_be64(), which in turn ran into a
> bug on gcc-4.9 through 6.1.

I'm still getting a couple screenfuls of things like

net/tipc/name_distr.c: In function 'tipc_named_process_backlog':
net/tipc/name_distr.c:330: warning: format '%u' expects type 'unsigned int', but argument 3 has type 'unsigned int'
net/tipc/name_distr.c:330: warning: format '%u' expects type 'unsigned int', but argument 4 has type 'unsigned int'
net/tipc/name_distr.c:330: warning: format '%u' expects type 'unsigned int', but argument 5 has type 'unsigned int'
net/tipc/name_distr.c:330: warning: format '%u' expects type 'unsigned int', but argument 7 has type 'unsigned int'