[RFC] ptrace: add generic SET_SYSCALL request

[Russell King - ARM Linux]

On Wed, Nov 12, 2014 at 12:19:26PM +0100, Arnd Bergmann wrote:
> On Wednesday 12 November 2014 11:13:52 Will Deacon wrote:
> > Just do arm64. We already have the dedicated request for arch/arm/.
> 
> I wonder if we should define NT_ARM64_SYSTEM_CALL to the same value
> as NT_S390_SYSTEM_CALL (0x307), or even define it as an architecture-
> independent NT_SYSTEM_CALL number with that value, so other architectures
> don't have to introduce new types when they also want to implement it.

That would be a sane thing to do, so that tools which want to get at
this information can do in an almost standardised way for architectures
implementing this method.

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