From 288f75ff8e23d183fd6ee19e77d8263d1cb93d9d Mon Sep 17 00:00:00 2001 From: Keir Fraser Date: Fri, 4 Jun 2010 10:04:30 +0100 Subject: [PATCH] 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 --- xen/arch/x86/traps.c | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) diff --git a/xen/arch/x86/traps.c b/xen/arch/x86/traps.c index 9d965a786b..0c8495d9c0 100644 --- a/xen/arch/x86/traps.c +++ b/xen/arch/x86/traps.c @@ -1175,10 +1175,7 @@ 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)]); @@ -1188,19 +1185,6 @@ 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; } -- 2.30.2