[uml-devel] [PATCH v4] arm64, ia64, ppc, s390, sh, tile, um, x86, mm: Remove default gate area

2014-07-24 Thread Andy Lutomirski
The core mm code will provide a default gate area based on FIXADDR_USER_START and FIXADDR_USER_END if !defined(__HAVE_ARCH_GATE_AREA) && defined(AT_SYSINFO_EHDR). This default is only useful for ia64. arm64, ppc, s390, sh, tile, 64-bit UML, and x86_32 have their own code just to disable it. arm,

[uml-devel] (request for -mm inclusion) Re: [PATCH v3] arm64, ia64, ppc, s390, sh, tile, um, x86, mm: Remove default gate area

2014-07-24 Thread Andy Lutomirski
Hi akpm- One more try before I spam the world with a new thread. Is this patch okay for -mm? So far, it's accumulated: Acked-by: Nathan Lynch Acked-by: H. Peter Anvin Acked-by: Benjamin Herrenschmidt [in principle] Acked-by: Richard Weinberger [for um] Acked-by: Will Deacon [for arm64] Fo

[uml-devel] gprof missing functions

2014-07-24 Thread Real Name
hi, When trace the UML linux kernel with gprof, it seems gprof missing some functions. There are new_thread_handler and fork_handler in "arch/um/kernel/process.c". gprof catchs the new_thread_handler function, but there is no sign about fork_handler. Because the two functions are in the same fil