From 0d57eb8dfcb92e3dd928d792f4ed2b2fec680bb7 Mon Sep 17 00:00:00 2001 From: Andi Kleen <andi@firstfloor.org> Date: Wed, 16 Dec 2009 12:20:01 +0100 Subject: [PATCH] HWPOISON: Don't do early filtering if filter is disabled Signed-off-by: Andi Kleen <ak@linux.intel.com> --- mm/hwpoison-inject.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c index a77fe3f9e211..10ea71905c1f 100644 --- a/mm/hwpoison-inject.c +++ b/mm/hwpoison-inject.c @@ -18,6 +18,8 @@ static int hwpoison_inject(void *data, u64 val) if (!capable(CAP_SYS_ADMIN)) return -EPERM; + if (!hwpoison_filter_enable) + goto inject; if (!pfn_valid(pfn)) return -ENXIO; @@ -48,6 +50,7 @@ static int hwpoison_inject(void *data, u64 val) if (err) return 0; +inject: printk(KERN_INFO "Injecting memory failure at pfn %lx\n", pfn); return __memory_failure(pfn, 18, MF_COUNT_INCREASED); } -- GitLab