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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-04-04 14:48:20 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-04-04 14:48:20 -0400 |
| commit | d88885d0923ae27b01dfcec644f94829b1e46bea (patch) | |
| tree | 7d18d0a16ed1e09065c542fd0405a3d67cb6a5d9 /arch | |
| parent | 361ae8cb57ec35ace2fa5f9695dba14eca9893e0 (diff) | |
| download | linux-3.10-d88885d0923ae27b01dfcec644f94829b1e46bea.tar.gz linux-3.10-d88885d0923ae27b01dfcec644f94829b1e46bea.tar.bz2 linux-3.10-d88885d0923ae27b01dfcec644f94829b1e46bea.zip | |
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')
| -rw-r--r-- | arch/x86/xen/mmu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index c82df6c9c0f..a991b57f91f 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); } |