On Fri, 2007-03-02 at 16:16 -0800, Jeremy Fitzhardinge wrote: > > Yes, the intent is that running a CONFIG_PARAVIRT kernel on native > hardware will have negligible performance hit compared to running a > non-paravirt kernel. > > J
It turned out that VDSO was turned off by CONFIG_PARAVIRT option, causing the system call to use inefficient int 0x80 which led to the increase system_call time I was seeing. I noted that Ingo has caught this problem and proposed a patch to correct this issue in another mail thread. Tim - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
