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Date: Thu, 14 Mar 2019 05:42:02 -0700 From: Eric Dumazet <edumazet@...gle.com> To: Sergey Senozhatsky <sergey.senozhatsky.work@...il.com> Cc: netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, Sergey Senozhatsky <sergey.senozhatsky@...il.com> Subject: Re: [PATCH] tcp: don't use __constant_cpu_to_be32 On Wed, Mar 13, 2019 at 11:15 PM Sergey Senozhatsky <sergey.senozhatsky.work@...il.com> wrote: > > A trivial patch. Not so trivial... > > > cpu_to_be32() is capable enough to detect __builtin_constant_p() > and to use an appropriate compile time ___constant_swahb32() > function. > > So we can use cpu_to_be32() instead of __constant_cpu_to_be32(). I dunno, this is uapi, this might break user space for some funky compiler ? I do not even know if cpu_to_be32() _is_ uapi.
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