[BUG] net/core/sock.c won't compile on alpha

Kernel version 3.6.0-rc2, and probably -rc1 as well.  I get the
following compile-time error on alpha architecture:

(...)
  CC      net/core/sock.o
net/core/sock.c:274:36: error: initializer element is not constant
net/core/sock.c:274:36: error: (near initialization for "memalloc_socks")
net/core/sock.c:274:36: error: initializer element is not constant
make[2]: *** [net/core/sock.o] Error 1
make[1]: *** [net/core] Error 2
make: *** [net] Error 2

Compiler is gcc-4.6.3.

Line 274 of net/core/sock.c is

struct static_key memalloc_socks = STATIC_KEY_INIT_FALSE;

which made its first appearance in 3.6.0-rc1.

--Bob

On 23/08/2012, at 12:14 AM, Bob Tracy wrote:

Kernel version 3.6.0-rc2, and probably -rc1 as well.  I get the
following compile-time error on alpha architecture:

(...)
 CC      net/core/sock.o
net/core/sock.c:274:36: error: initializer element is not constant

Try v3.6-rc3.  It should be fixed now.

Cheers
Michael.

Bob,

Is this a different issue to the one discussed and fixed earlier in the month
with this email subject:
Re: [next:akpm 129/309] net/core/sock.c:274:36: error: initializer element is not constant

Sounds very similar.

Simon

At Wed, 22 Aug 2012 07:14:07 -0500,
Bob Tracy wrote:

Kernel version 3.6.0-rc2, and probably -rc1 as well.  I get the
following compile-time error on alpha architecture:

(...)
  CC      net/core/sock.o
net/core/sock.c:274:36: error: initializer element is not constant
net/core/sock.c:274:36: error: (near initialization for "memalloc_socks")
net/core/sock.c:274:36: error: initializer element is not constant
make[2]: *** [net/core/sock.o] Error 1
make[1]: *** [net/core] Error 2
make: *** [net] Error 2

Compiler is gcc-4.6.3.

Line 274 of net/core/sock.c is

struct static_key memalloc_socks = STATIC_KEY_INIT_FALSE;

which made its first appearance in 3.6.0-rc1.

--Bob
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On Thu, Aug 23, 2012 at 09:16:53AM +1200, Michael Cree wrote:

On 23/08/2012, at 12:14 AM, Bob Tracy wrote:

quoted

Kernel version 3.6.0-rc2, and probably -rc1 as well.  I get the
following compile-time error on alpha architecture:

(...)
CC      net/core/sock.o
net/core/sock.c:274:36: error: initializer element is not constant

Try v3.6-rc3.  It should be fixed now.

That got it.  Finally saw the discussion on the bug (from about a month
ago -- thanks, Simon).

--Bob