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authorIngo Molnar <mingo@elte.hu>2009-01-02 22:41:36 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-02 22:41:36 +0100
commit923a789b49c7269a0245d5af6afe486188d940df (patch)
treec3f168427372e64f7467a794f313416da5086ba0 /kernel/resource.c
parent103ceffb9501531f6931df6aebc11a05189201f0 (diff)
parentb840d79631c882786925303c2b0f4fefc31845ed (diff)
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Merge branch 'linus' into x86/cleanups
Conflicts: arch/x86/kernel/reboot.c
Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index 4337063663e..e633106b12f 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -853,6 +853,15 @@ int iomem_map_sanity_check(resource_size_t addr, unsigned long size)
if (PFN_DOWN(p->start) <= PFN_DOWN(addr) &&
PFN_DOWN(p->end) >= PFN_DOWN(addr + size - 1))
continue;
+ /*
+ * if a resource is "BUSY", it's not a hardware resource
+ * but a driver mapping of such a resource; we don't want
+ * to warn for those; some drivers legitimately map only
+ * partial hardware resources. (example: vesafb)
+ */
+ if (p->flags & IORESOURCE_BUSY)
+ continue;
+
printk(KERN_WARNING "resource map sanity check conflict: "
"0x%llx 0x%llx 0x%llx 0x%llx %s\n",
(unsigned long long)addr,