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Andrew Morton wrote:
quoted text
>> +	BUILD_BUG_ON(SOCK_NONBLOCK & SOCK_TYPE_MASK);
> 
> The fifth assertion triggers with alpha allmodconfig.

This means the simple approach won't work for alpha.

The question is how to solve it?  I suggest the following:

- - define SOCK_NONBLOCK to some value > 16 in include/asm-alpha/socket.h

- - add #ifndef SOCK_NONBLOCK around the definition in include/linux/net.h

- - in sys_socket, sys_socketpair, sys_paccept

   int fflags = flags;
   if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK)) {
     fflags &= ~SOCK_NONBLOCK;
     fflags |= O_NONBLOCK;
   }

  and use fflags instead of flags in the places where we pass it on.

This has no costs on platforms other than alpha.

Shall I sent a patch?

- --
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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