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authorDavid S. Miller <davem@davemloft.net>2014-07-22 00:44:59 -0700
committerDavid S. Miller <davem@davemloft.net>2014-07-22 00:44:59 -0700
commit8fd90bb889635fa1e7f80a3950948cc2e74c1446 (patch)
tree1490343b5ad9f88b9333e53fa9457c00cbf6c2d1 /arch/um/kernel/tlb.c
parent1bb4238b17b5de6cdc120970a9d00dd8a44f40df (diff)
parent15ba2236f3556fc01b9ca91394465152b5ea74b6 (diff)
downloadtalos-obmc-linux-8fd90bb889635fa1e7f80a3950948cc2e74c1446.tar.gz
talos-obmc-linux-8fd90bb889635fa1e7f80a3950948cc2e74c1446.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/infiniband/hw/cxgb4/device.c The cxgb4 conflict was simply overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/um/kernel/tlb.c')
-rw-r--r--arch/um/kernel/tlb.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c
index 9472079471bb..f1b3eb14b855 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(&current->mm->mmap_sem);
force_sig(SIGKILL, current);
+ do_signal();
}
}
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