This module used to inject errors in the pSeries specific dynamic reconfiguration notifiers. Those are gone however, replaced by generic notifiers for changes to the device-tree. So let's update the module to deal with these instead and rename it along the way.
Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org> --- lib/Kconfig.debug | 10 ++--- lib/Makefile | 4 +- lib/of-reconfig-notifier-error-inject.c | 51 ++++++++++++++++++++++++++ lib/pSeries-reconfig-notifier-error-inject.c | 51 -------------------------- 4 files changed, 58 insertions(+), 58 deletions(-) create mode 100644 lib/of-reconfig-notifier-error-inject.c delete mode 100644 lib/pSeries-reconfig-notifier-error-inject.c diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 28e9d6c9..c2d89f3 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1192,14 +1192,14 @@ config MEMORY_NOTIFIER_ERROR_INJECT If unsure, say N. -config PSERIES_RECONFIG_NOTIFIER_ERROR_INJECT - tristate "pSeries reconfig notifier error injection module" - depends on PPC_PSERIES && NOTIFIER_ERROR_INJECTION +config OF_RECONFIG_NOTIFIER_ERROR_INJECT + tristate "OF reconfig notifier error injection module" + depends on OF_DYNAMIC && NOTIFIER_ERROR_INJECTION help This option provides the ability to inject artifical errors to - pSeries reconfig notifier chain callbacks. It is controlled + OF reconfig notifier chain callbacks. It is controlled through debugfs interface under - /sys/kernel/debug/notifier-error-inject/pSeries-reconfig/ + /sys/kernel/debug/notifier-error-inject/OF-reconfig/ If the notifier call chain should be failed with some events notified, write the error code to "actions/<notifier event>/error". diff --git a/lib/Makefile b/lib/Makefile index 821a162..7c00908 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -94,8 +94,8 @@ obj-$(CONFIG_NOTIFIER_ERROR_INJECTION) += notifier-error-inject.o obj-$(CONFIG_CPU_NOTIFIER_ERROR_INJECT) += cpu-notifier-error-inject.o obj-$(CONFIG_PM_NOTIFIER_ERROR_INJECT) += pm-notifier-error-inject.o obj-$(CONFIG_MEMORY_NOTIFIER_ERROR_INJECT) += memory-notifier-error-inject.o -obj-$(CONFIG_PSERIES_RECONFIG_NOTIFIER_ERROR_INJECT) += \ - pSeries-reconfig-notifier-error-inject.o +obj-$(CONFIG_OF_RECONFIG_NOTIFIER_ERROR_INJECT) += \ + of-reconfig-notifier-error-inject.o lib-$(CONFIG_GENERIC_BUG) += bug.o diff --git a/lib/of-reconfig-notifier-error-inject.c b/lib/of-reconfig-notifier-error-inject.c new file mode 100644 index 0000000..8dc7986 --- /dev/null +++ b/lib/of-reconfig-notifier-error-inject.c @@ -0,0 +1,51 @@ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/of.h> + +#include "notifier-error-inject.h" + +static int priority; +module_param(priority, int, 0); +MODULE_PARM_DESC(priority, "specify OF reconfig notifier priority"); + +static struct notifier_err_inject reconfig_err_inject = { + .actions = { + { NOTIFIER_ERR_INJECT_ACTION(OF_RECONFIG_ATTACH_NODE) }, + { NOTIFIER_ERR_INJECT_ACTION(OF_RECONFIG_DETACH_NODE) }, + { NOTIFIER_ERR_INJECT_ACTION(OF_RECONFIG_ADD_PROPERTY) }, + { NOTIFIER_ERR_INJECT_ACTION(OF_RECONFIG_REMOVE_PROPERTY) }, + { NOTIFIER_ERR_INJECT_ACTION(OF_RECONFIG_UPDATE_PROPERTY) }, + {} + } +}; + +static struct dentry *dir; + +static int err_inject_init(void) +{ + int err; + + dir = notifier_err_inject_init("OF-reconfig", + notifier_err_inject_dir, &reconfig_err_inject, priority); + if (IS_ERR(dir)) + return PTR_ERR(dir); + + err = of_reconfig_notifier_register(&reconfig_err_inject.nb); + if (err) + debugfs_remove_recursive(dir); + + return err; +} + +static void err_inject_exit(void) +{ + of_reconfig_notifier_unregister(&reconfig_err_inject.nb); + debugfs_remove_recursive(dir); +} + +module_init(err_inject_init); +module_exit(err_inject_exit); + +MODULE_DESCRIPTION("OF reconfig notifier error injection module"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Akinobu Mita <akinobu.m...@gmail.com>"); diff --git a/lib/pSeries-reconfig-notifier-error-inject.c b/lib/pSeries-reconfig-notifier-error-inject.c deleted file mode 100644 index 7f7c98d..0000000 --- a/lib/pSeries-reconfig-notifier-error-inject.c +++ /dev/null @@ -1,51 +0,0 @@ -#include <linux/kernel.h> -#include <linux/module.h> - -#include <asm/pSeries_reconfig.h> - -#include "notifier-error-inject.h" - -static int priority; -module_param(priority, int, 0); -MODULE_PARM_DESC(priority, "specify pSeries reconfig notifier priority"); - -static struct notifier_err_inject reconfig_err_inject = { - .actions = { - { NOTIFIER_ERR_INJECT_ACTION(PSERIES_RECONFIG_ADD) }, - { NOTIFIER_ERR_INJECT_ACTION(PSERIES_RECONFIG_REMOVE) }, - { NOTIFIER_ERR_INJECT_ACTION(PSERIES_DRCONF_MEM_ADD) }, - { NOTIFIER_ERR_INJECT_ACTION(PSERIES_DRCONF_MEM_REMOVE) }, - {} - } -}; - -static struct dentry *dir; - -static int err_inject_init(void) -{ - int err; - - dir = notifier_err_inject_init("pSeries-reconfig", - notifier_err_inject_dir, &reconfig_err_inject, priority); - if (IS_ERR(dir)) - return PTR_ERR(dir); - - err = pSeries_reconfig_notifier_register(&reconfig_err_inject.nb); - if (err) - debugfs_remove_recursive(dir); - - return err; -} - -static void err_inject_exit(void) -{ - pSeries_reconfig_notifier_unregister(&reconfig_err_inject.nb); - debugfs_remove_recursive(dir); -} - -module_init(err_inject_init); -module_exit(err_inject_exit); - -MODULE_DESCRIPTION("pSeries reconfig notifier error injection module"); -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Akinobu Mita <akinobu.m...@gmail.com>"); _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev