Re: [PATCH] ARM: Wire up HAVE_SYSCALL_TRACEPOINTS

From: Roland McGrath
Date: Thu Feb 02 2012 - 18:41:30 EST


On Thu, Feb 2, 2012 at 3:38 PM, Indan Zupancic <indan@xxxxxx> wrote:
> It was my impression that thread_info->syscall is only set in the ptrace path.

The asm-generic/syscall.h kerneldoc says these functions should only be
used in the trace/audit path, not the fast path. I honestly don't recall
any more why I made that a requirement of the interface, but some machines
having this sort of constraint was probably it.


Thanks,
Roland
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