summaryrefslogtreecommitdiffstats
path: root/arch/x86/xen
diff options
context:
space:
mode:
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-04-04 14:48:20 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-04-04 14:48:20 -0400
commitd88885d0923ae27b01dfcec644f94829b1e46bea (patch)
tree7d18d0a16ed1e09065c542fd0405a3d67cb6a5d9 /arch/x86/xen
parent361ae8cb57ec35ace2fa5f9695dba14eca9893e0 (diff)
downloadlinux-d88885d0923ae27b01dfcec644f94829b1e46bea.tar.bz2
xen/debug: Don't be so verbose with WARN on 1-1 mapping errors.
There are valid situations in which this error is not a warning. Mainly when QEMU maps a guest memory and uses the VM_IO flag to set the MFNs. For right now make the WARN be WARN_ONCE. In the future we will: 1). Remove the VM_IO code handling.. 2). .. which will also remove this debug facility. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/mmu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index c82df6c9c0f0..a991b57f91fe 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -565,13 +565,13 @@ pte_t xen_make_pte_debug(pteval_t pte)
if (io_page &&
(xen_initial_domain() || addr >= ISA_END_ADDRESS)) {
other_addr = pfn_to_mfn(addr >> PAGE_SHIFT) << PAGE_SHIFT;
- WARN(addr != other_addr,
+ WARN_ONCE(addr != other_addr,
"0x%lx is using VM_IO, but it is 0x%lx!\n",
(unsigned long)addr, (unsigned long)other_addr);
} else {
pteval_t iomap_set = (_pte.pte & PTE_FLAGS_MASK) & _PAGE_IOMAP;
other_addr = (_pte.pte & PTE_PFN_MASK);
- WARN((addr == other_addr) && (!io_page) && (!iomap_set),
+ WARN_ONCE((addr == other_addr) && (!io_page) && (!iomap_set),
"0x%lx is missing VM_IO (and wasn't fixed)!\n",
(unsigned long)addr);
}