Re: [PATCH 2/3] x86: Pass in pt_regs pointer for syscalls that need it

[Tejun Heo]

Brian Gerst wrote:
> x86-64 doesn't have the tail-call problem because it doesn't use the
> pt_regs on stack trick for syscall args.  All the args are passed in
> registers.

Yeah, I was saying that we can do about the same thing on x86_32 by
passing in pointer to pt_regs and defining proper syscall wrappers.
It will cost a bit of performance by increasing register pressure tho.

-- 
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/