On Sat, Apr 21, 2001 at 03:37:42PM +0100, Russell King wrote:
> On Sat, Apr 21, 2001 at 04:03:27PM +0200, Andrea Arcangeli wrote:
> > On Fri, Apr 20, 2001 at 04:45:32PM -0700, Linus Torvalds wrote:
> > > I would suggest the following:
> > >
> > > - the generic semaphores should use the lock that already exists in the
> > > wait-queue as the semaphore spinlock.
> >
> > Ok, that is what my generic code does.
>
> rwsem-spinlock.h requires linux/types.h to be included (you're using
> __u16 at towards the bottom):
As you are quoting me on "that is what my generic code does", note that my
code is only here:
ftp://ftp.*.kernel.org/pub/linux/kernel/people/andrea/kernels/v2.4/2.4.4pre4aa1/00_rwsem-generic-6
and no one single line of my rwsem patches is ever been included in any of
Linus's or Alan's kernels.
> gcc -D__KERNEL__ -I/usr/src2/v2.4/linux-rpc/include -Wall -Wstrict-prototypes
> -O2 -fno-strict-aliasing -pipe -mapcs-32 -march=armv3m -mtune=strongarm110
> -mshort-load-bytes -msoft-float -c -o ieee1284.o ieee1284.c
> In file included from /usr/src2/v2.4/linux-rpc/include/linux/rwsem.h:56,
> from /usr/src2/v2.4/linux-rpc/include/asm/semaphore.h:10,
> from /usr/src2/v2.4/linux-rpc/include/linux/parport.h:101,
> from ieee1284.c:19:
> /usr/src2/v2.4/linux-rpc/include/linux/rwsem-spinlock.h:154: parse error before
>`rwsem_cmpxchgw'
> /usr/src2/v2.4/linux-rpc/include/linux/rwsem-spinlock.h:154: parse error before
>`__u16'
> /usr/src2/v2.4/linux-rpc/include/linux/rwsem-spinlock.h:155: warning: return-type
>defaults to `int'
> /usr/src2/v2.4/linux-rpc/include/linux/rwsem-spinlock.h:155: warning: function
>declaration isn't a prototype
>
> Here is a patch that fixes this oversight against 2.4.4-pre5:
>
> --- orig/include/linux/rwsem-spinlock.h Sat Apr 21 15:32:57 2001
> +++ linux/include/linux/rwsem-spinlock.h Sat Apr 21 15:28:45 2001
> @@ -11,6 +11,7 @@
> #endif
>
> #include <linux/spinlock.h>
> +#include <linux/types.h>
>
> #ifdef __KERNEL__
>
>
>
> --
> Russell King ([EMAIL PROTECTED]) The developer of ARM Linux
> http://www.arm.linux.org.uk/personal/aboutme.html
>
Andrea
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