Hi Richard,
On Sat, May 3, 2014 at 9:12 PM, Richard Weinberger wrote:
> @@ -90,6 +91,9 @@ static int add_mmap(unsigned long virt, unsigned long phys,
> unsigned long len,
> struct host_vm_op *last;
> int fd, ret = 0;
>
> + if ((virt >= STUB_START) && (virt < STUB_END))
> +
This fixes a long standing problem that UML crashes
or locks up if a task messes with it' stub vma.
Reported-by: toralf.foers...@gmx.de
Signed-off-by: Richard Weinberger
---
arch/um/kernel/tlb.c | 18 +++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/arch/um/kerne
