Commit 2dcc9a3d authored by David Vrabel's avatar David Vrabel

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: default avatarDavid Vrabel <david.vrabel@citrix.com>
Reviewed-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent 3cb83e46
...@@ -89,10 +89,10 @@ static void __init xen_add_extra_mem(u64 start, u64 size) ...@@ -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++) { for (pfn = PFN_DOWN(start); pfn < xen_max_p2m_pfn; pfn++) {
unsigned long mfn = pfn_to_mfn(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; continue;
WARN(mfn != INVALID_P2M_ENTRY, "Trying to remove %lx which has %lx mfn!\n", WARN_ONCE(mfn != INVALID_P2M_ENTRY, "Trying to remove %lx which has %lx mfn!\n",
pfn, mfn); pfn, mfn);
__set_phys_to_machine(pfn, INVALID_P2M_ENTRY); __set_phys_to_machine(pfn, INVALID_P2M_ENTRY);
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment