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SubjectRe: [PATCH 0/5] ppc RT: Realtime preempt support for PPC

* Frank Rowand <frowand@mvista.com> wrote:

> I looked at all the architectures and found that the disparity of the
> type of the "lock" field in struct rwlock_t is even larger than I had
> indicated in my earlier email. I am attaching a proof of concept
> patch to handle this. If this looks like a good method to you then I
> will create a real patch against your current patch, and include i386,
> mips, x86_64, and ppc.

> +#include <asm/raw_spinlock.h>

> typedef struct {
> - volatile unsigned long lock;
> + ARCH_RAW_RWLOCK_LOCK

maybe the simplest method would be to let architectures to define the
raw spinlock type after all. I was hoping to standardize things across
all architectures, but maybe it's not possible.

Ingo
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