diff options
| author | Dave Airlie <airlied@redhat.com> | 2014-08-05 09:04:59 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-08-05 09:04:59 +1000 |
| commit | 5d42f82a9b8c5168d75cf59307cd271feca94464 (patch) | |
| tree | a7049189a2c814589b3ad7e6e776fb736f980967 /arch/um/kernel/tlb.c | |
| parent | c759606c96dc052373d4c36ea383595da46b04e9 (diff) | |
| parent | 19583ca584d6f574384e17fe7613dfaeadcdc4a6 (diff) | |
Merge tag 'v3.16' into drm-next
Linux 3.16
backmerge requested by i915, nouveau and radeon authors
Conflicts:
drivers/gpu/drm/i915/i915_gem_render_state.c
drivers/gpu/drm/i915/intel_drv.h
Diffstat (limited to 'arch/um/kernel/tlb.c')
| -rw-r--r-- | arch/um/kernel/tlb.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 9472079471b..f1b3eb14b85 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -12,6 +12,7 @@ #include <mem_user.h> #include <os.h> #include <skas.h> +#include <kern_util.h> struct host_vm_change { struct host_vm_op { @@ -124,6 +125,9 @@ static int add_munmap(unsigned long addr, unsigned long len, struct host_vm_op *last; int ret = 0; + if ((addr >= STUB_START) && (addr < STUB_END)) + return -EINVAL; + if (hvc->index != 0) { last = &hvc->ops[hvc->index - 1]; if ((last->type == MUNMAP) && @@ -283,8 +287,11 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr, /* This is not an else because ret is modified above */ if (ret) { printk(KERN_ERR "fix_range_common: failed, killing current " - "process\n"); + "process: %d\n", task_tgid_vnr(current)); + /* We are under mmap_sem, release it such that current can terminate */ + up_write(¤t->mm->mmap_sem); force_sig(SIGKILL, current); + do_signal(); } } |