The patch titled
um: set __HAVE_ARCH_GATE_AREA for x86_64
has been added to the -mm tree. Its filename is
um-set-__have_arch_gate_area-for-x86_64.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: um: set __HAVE_ARCH_GATE_AREA for x86_64
From: Richard Weinberger <richard@xxxxxx>
Implement arch_vma_name() and make get_gate_vma(), in_gate_area() and
in_gate_area_no_mm() a nop.
We need arch_vma_name() to support vDSO.
Signed-off-by: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/sys-x86_64/Makefile | 2 +-
arch/um/sys-x86_64/asm/elf.h | 1 +
arch/um/sys-x86_64/mem.c | 26 ++++++++++++++++++++++++++
3 files changed, 28 insertions(+), 1 deletion(-)
diff -puN arch/um/sys-x86_64/Makefile~um-set-__have_arch_gate_area-for-x86_64 arch/um/sys-x86_64/Makefile
--- a/arch/um/sys-x86_64/Makefile~um-set-__have_arch_gate_area-for-x86_64
+++ a/arch/um/sys-x86_64/Makefile
@@ -4,7 +4,7 @@
# Licensed under the GPL
#
-obj-y = bug.o bugs.o delay.o fault.o ldt.o ptrace.o ptrace_user.o \
+obj-y = bug.o bugs.o delay.o fault.o ldt.o ptrace.o ptrace_user.o mem.o \
setjmp.o signal.o stub.o stub_segv.o syscalls.o syscall_table.o \
sysrq.o ksyms.o tls.o
diff -puN arch/um/sys-x86_64/asm/elf.h~um-set-__have_arch_gate_area-for-x86_64 arch/um/sys-x86_64/asm/elf.h
--- a/arch/um/sys-x86_64/asm/elf.h~um-set-__have_arch_gate_area-for-x86_64
+++ a/arch/um/sys-x86_64/asm/elf.h
@@ -119,4 +119,5 @@ extern long elf_aux_hwcap;
#define SET_PERSONALITY(ex) do ; while(0)
+#define __HAVE_ARCH_GATE_AREA 1
#endif
diff -puN /dev/null arch/um/sys-x86_64/mem.c
--- /dev/null
+++ a/arch/um/sys-x86_64/mem.c
@@ -0,0 +1,26 @@
+#include "linux/mm.h"
+#include "asm/page.h"
+#include "asm/mman.h"
+
+const char *arch_vma_name(struct vm_area_struct *vma)
+{
+ if (vma->vm_mm && vma->vm_start == um_vdso_addr)
+ return "[vdso]";
+
+ return NULL;
+}
+
+struct vm_area_struct *get_gate_vma(struct mm_struct *mm)
+{
+ return NULL;
+}
+
+int in_gate_area(struct mm_struct *mm, unsigned long addr)
+{
+ return 0;
+}
+
+int in_gate_area_no_mm(unsigned long addr)
+{
+ return 0;
+}
_
Patches currently in -mm which might be from richard@xxxxxx are
linux-next.patch
um-clean-up-vm-flagsh.patch
um-exec-remove-redundant-set_fsuser_ds.patch
um-clean-up-delay-functions-v2.patch
um-fix-_fortify_source=2-support-for-kernel-modules.patch
um-add-netpoll-support.patch
um-reinstate-kernel-version-in-generated-config.patch
uml-drivers-net_userc-memory-leak-fix.patch
uml-cow_userc-warning-corrections.patch
uml-helperc-warning-corrections.patch
uml-drivers-slip_userc-memory-leak-fix.patch
uml-free-resources.patch
um-disable-scan_elf_aux-on-x86_64.patch
um-set-__have_arch_gate_area-for-i386.patch
um-set-__have_arch_gate_area-for-x86_64.patch
um-implement-a-x86_64-vdso.patch
um-ajdust-size-of-pid_buf.patch
um-remove-dead-code.patch
fs-execc-use-build_bug_on-for-vm_stack_flags-vm_stack_incomplete_setup.patch
exec-do-not-call-request_module-twice-from-search_binary_handler.patch
exec-do-not-retry-load_binary-method-if-config_modules=n.patch
gcov-disable-constructors-for-uml.patch
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