| Message ID | 1556244996-1047-1-git-send-email-wangxiongfeng2@huawei.com (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Commit | 2f1d4e24d91b1f475f939685e19bb1e537031661 |
| Headers | show |
| Series | firmware: arm_sdei: Prohibit probing in '_sdei_handler' | expand |
On Fri, Apr 26, 2019 at 10:16:36AM +0800, Xiongfeng Wang wrote: > Functions called in '_sdei_handler' are needed to be marked as > 'nokprobe'. Because these functions are called in NMI context and > neither the arch-code's debug infrastructure nor kprobes core supports > this. > > Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> > Reviewed-by: James Morse <james.morse@arm.com> > --- > drivers/firmware/arm_sdei.c | 3 +++ > 1 file changed, 3 insertions(+) Queued for 5.2. Thanks. Will
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index e6376f9..9cd70d1 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -165,6 +165,7 @@ static int invoke_sdei_fn(unsigned long function_id, unsigned long arg0, return err; } +NOKPROBE_SYMBOL(invoke_sdei_fn); static struct sdei_event *sdei_event_find(u32 event_num) { @@ -879,6 +880,7 @@ static void sdei_smccc_smc(unsigned long function_id, { arm_smccc_smc(function_id, arg0, arg1, arg2, arg3, arg4, 0, 0, res); } +NOKPROBE_SYMBOL(sdei_smccc_smc); static void sdei_smccc_hvc(unsigned long function_id, unsigned long arg0, unsigned long arg1, @@ -887,6 +889,7 @@ static void sdei_smccc_hvc(unsigned long function_id, { arm_smccc_hvc(function_id, arg0, arg1, arg2, arg3, arg4, 0, 0, res); } +NOKPROBE_SYMBOL(sdei_smccc_hvc); int sdei_register_ghes(struct ghes *ghes, sdei_event_callback *normal_cb, sdei_event_callback *critical_cb)