aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/resource.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-05-02 07:48:23 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-05-02 07:48:23 -0300
commit68af062b5f38510dc96635314461c6bbe1dbf2fe (patch)
tree38fbb70a745f1a94f217efa422a23ff4bf984909 /kernel/resource.c
parent[media] DocBook: update error code in videoc-streamon (diff)
parentLinux 4.6-rc6 (diff)
downloadlinux-dev-68af062b5f38510dc96635314461c6bbe1dbf2fe.tar.xz
linux-dev-68af062b5f38510dc96635314461c6bbe1dbf2fe.zip
Merge tag 'v4.6-rc6' into patchwork
Linux 4.6-rc6 * tag 'v4.6-rc6': (762 commits) Linux 4.6-rc6 EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback Documentation/sysctl/vm.txt: update numa_zonelist_order description lib/stackdepot.c: allow the stack trace hash to be zero rapidio: fix potential NULL pointer dereference mm/memory-failure: fix race with compound page split/merge ocfs2/dlm: return zero if deref_done message is successfully handled Ananth has moved kcov: don't profile branches in kcov kcov: don't trace the code coverage code mm: wake kcompactd before kswapd's short sleep .mailmap: add Frank Rowand mm/hwpoison: fix wrong num_poisoned_pages accounting mm: call swap_slot_free_notify() with page lock held mm: vmscan: reclaim highmem zone if buffer_heads is over limit numa: fix /proc/<pid>/numa_maps for THP mm/huge_memory: replace VM_NO_THP VM_BUG_ON with actual VMA check mailmap: fix Krzysztof Kozlowski's misspelled name thp: keep huge zero page pinned until tlb flush mm: exclude HugeTLB pages from THP page_mapped() logic ...
Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index 2e78ead30934..9b5f04404152 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -105,16 +105,25 @@ static int r_show(struct seq_file *m, void *v)
{
struct resource *root = m->private;
struct resource *r = v, *p;
+ unsigned long long start, end;
int width = root->end < 0x10000 ? 4 : 8;
int depth;
for (depth = 0, p = r; depth < MAX_IORES_LEVEL; depth++, p = p->parent)
if (p->parent == root)
break;
+
+ if (file_ns_capable(m->file, &init_user_ns, CAP_SYS_ADMIN)) {
+ start = r->start;
+ end = r->end;
+ } else {
+ start = end = 0;
+ }
+
seq_printf(m, "%*s%0*llx-%0*llx : %s\n",
depth * 2, "",
- width, (unsigned long long) r->start,
- width, (unsigned long long) r->end,
+ width, start,
+ width, end,
r->name ? r->name : "<BAD>");
return 0;
}