diff options
Diffstat (limited to 'drivers/edac/edac_module.c')
| -rw-r--r-- | drivers/edac/edac_module.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/edac/edac_module.c b/drivers/edac/edac_module.c index 3cd3a236821..89c96ecbf04 100644 --- a/drivers/edac/edac_module.c +++ b/drivers/edac/edac_module.c @@ -1,6 +1,7 @@ #include <linux/freezer.h> #include <linux/kthread.h> +#include <linux/edac.h> #include "edac_mc.h" #include "edac_module.h" @@ -102,6 +103,25 @@ static void do_edac_check(void) } /* + * handler for EDAC to check if NMI type handler has asserted interrupt + */ +static int edac_assert_error_check_and_clear(void) +{ + int vreg; + + if(edac_op_state == EDAC_OPSTATE_POLL) + return 1; + + vreg = atomic_read(&edac_err_assert); + if(vreg) { + atomic_set(&edac_err_assert, 0); + return 1; + } + + return 0; +} + +/* * Action thread for EDAC to perform the POLL operations */ static int edac_kernel_thread(void *arg) @@ -109,8 +129,8 @@ static int edac_kernel_thread(void *arg) int msec; while (!kthread_should_stop()) { - - do_edac_check(); + if(edac_assert_error_check_and_clear()) + do_edac_check(); /* goto sleep for the interval */ msec = (HZ * edac_get_poll_msec()) / 1000; |