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author | Keir Fraser <keir.fraser@citrix.com> | 2010-06-04 10:50:01 +0100 |
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committer | Keir Fraser <keir.fraser@citrix.com> | 2010-06-04 10:50:01 +0100 |
commit | 3df3cadf077aae259ea3f195da6ec81dc221961c (patch) | |
tree | 09140d83e1fb7d9b1659ada54f342512f605a2f2 | |
parent | bc3945db557e9c72a15876b3c38f5a36a7acdece (diff) | |
download | xen-3df3cadf077aae259ea3f195da6ec81dc221961c.tar.gz xen-3df3cadf077aae259ea3f195da6ec81dc221961c.tar.bz2 xen-3df3cadf077aae259ea3f195da6ec81dc221961c.zip |
x86: Suppress warnings about spurious pagefaults
RHEL4 guests take a fair number of spurious pagefaults on Nehalem; no
need to report each one of them at XENLOG_WARNING.
Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
xen-unstable changeset: 21514:88932ba626fe
xen-unstable date: Fri Jun 04 10:04:30 2010 +0100
-rw-r--r-- | xen/arch/x86/traps.c | 18 |
1 files changed, 1 insertions, 17 deletions
diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c index 1158f5ddbd..1834314f3d 100644 --- a/xen/arch/x86/traps.c +++ b/xen/arch/x86/traps.c @@ -1169,10 +1169,7 @@ static int __spurious_page_fault( (l2e_get_flags(l2e) & disallowed_flags) ) return 0; if ( l2e_get_flags(l2e) & _PAGE_PSE ) - { - l1e = l1e_empty(); /* define before use in debug tracing */ - goto spurious; - } + return 1; l1t = map_domain_page(mfn); l1e = l1e_read_atomic(&l1t[l1_table_offset(addr)]); @@ -1182,19 +1179,6 @@ static int __spurious_page_fault( (l1e_get_flags(l1e) & disallowed_flags) ) return 0; - spurious: - dprintk(XENLOG_WARNING, "Spurious fault in domain %u:%u " - "at addr %lx, e/c %04x\n", - current->domain->domain_id, current->vcpu_id, - addr, error_code); -#if CONFIG_PAGING_LEVELS >= 4 - dprintk(XENLOG_WARNING, " l4e = %"PRIpte"\n", l4e_get_intpte(l4e)); -#endif -#if CONFIG_PAGING_LEVELS >= 3 - dprintk(XENLOG_WARNING, " l3e = %"PRIpte"\n", l3e_get_intpte(l3e)); -#endif - dprintk(XENLOG_WARNING, " l2e = %"PRIpte"\n", l2e_get_intpte(l2e)); - dprintk(XENLOG_WARNING, " l1e = %"PRIpte"\n", l1e_get_intpte(l1e)); return 1; } |