From: Qi Liu Date: Tue, 2 Feb 2021 07:58:06 +0000 (+0800) Subject: drivers/perf: Prevent forced unbinding of ARM_DMC620_PMU drivers X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=20116dd93f4d0b2e84a25ee83e3238586dbb79ec;p=linux.git drivers/perf: Prevent forced unbinding of ARM_DMC620_PMU drivers Set "suppress_bind_attrs" to true, so that bind/unbind can be disabled via sysfs and prevent unbinding ARM_DMC620_PMU drivers during perf sampling. Signed-off-by: Qi Liu Link: https://lore.kernel.org/r/1612252686-50329-1-git-send-email-liuqi115@huawei.com Signed-off-by: Will Deacon --- diff --git a/drivers/perf/arm_dmc620_pmu.c b/drivers/perf/arm_dmc620_pmu.c index 27f54c0afc3b2..66ad5b3ece197 100644 --- a/drivers/perf/arm_dmc620_pmu.c +++ b/drivers/perf/arm_dmc620_pmu.c @@ -717,6 +717,7 @@ static struct platform_driver dmc620_pmu_driver = { .driver = { .name = DMC620_DRVNAME, .acpi_match_table = dmc620_acpi_match, + .suppress_bind_attrs = true, }, .probe = dmc620_pmu_device_probe, .remove = dmc620_pmu_device_remove,