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| author |   David Vrabel <david.vrabel@citrix.com> | 2014-01-07 11:36:53 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2014-05-15 16:15:01 +0100 |
| commit | 2dcc9a3de1d7f77bb4dbc108358a75776328e887 (patch) | |
| tree | 74909541226457ce58d59a53f4ae60a583fbed06 /arch/x86/xen/setup.c | |
| parent | x86/xen: compactly store large identity ranges in the p2m (diff) | |
| download | linux-dev-2dcc9a3de1d7f77bb4dbc108358a75776328e887.tar.xz linux-dev-2dcc9a3de1d7f77bb4dbc108358a75776328e887.zip | |
x86/xen: only warn once if bad MFNs are found during setup
In xen_add_extra_mem(), if the WARN() checks for bad MFNs trigger it is
likely that they will trigger at lot, spamming the log.
Use WARN_ONCE() instead.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'arch/x86/xen/setup.c')
| -rw-r--r-- | arch/x86/xen/setup.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 0982233b9b84..2afe55e21d59 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -89,10 +89,10 @@ static void __init xen_add_extra_mem(u64 start, u64 size) for (pfn = PFN_DOWN(start); pfn < xen_max_p2m_pfn; pfn++) { unsigned long mfn = pfn_to_mfn(pfn); - if (WARN(mfn == pfn, "Trying to over-write 1-1 mapping (pfn: %lx)\n", pfn)) + if (WARN_ONCE(mfn == pfn, "Trying to over-write 1-1 mapping (pfn: %lx)\n", pfn)) continue; - WARN(mfn != INVALID_P2M_ENTRY, "Trying to remove %lx which has %lx mfn!\n", - pfn, mfn); + WARN_ONCE(mfn != INVALID_P2M_ENTRY, "Trying to remove %lx which has %lx mfn!\n", + pfn, mfn); __set_phys_to_machine(pfn, INVALID_P2M_ENTRY); } |