On Friday 15 February 2013 12:53 PM, Jonas Bonn wrote: > On 11 February 2013 15:07, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > >> I'd suggest asking itanic folks; they do *not* put callee-saved stuff into >> sigcontext. AFAICS, they don't have setcontext() implemented as a syscall >> at all - it's done as sigprocmask() + doing to callee-saved registers what >> longjmp() does. > > Just to round off this discussion, after giving it some more thought I > agree that the case where you would need callee-saved registers > restored is probably rather pathological. Any sane use of > get/set/swapcontext is manageable without this. > > So, Vineet, I'm now convinced your approach is sound. I will probably > amend the OpenRISC arch to behave similarly. Consider your entire > patch Acked now. I'll add your ack to the the signal handling patch as the contention was primarily on sigcontext bits. Thx, -Vineet -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
