Commit fbdb328c authored by Dewet Thibaut's avatar Dewet Thibaut Committed by Thomas Gleixner

x86/MCE: Remove min interval polling limitation

commit b3b7c479 ("x86/MCE: Serialize sysfs changes") introduced a min
interval limitation when setting the check interval for polled MCEs.
However, the logic is that 0 disables polling for corrected MCEs, see
Documentation/x86/x86_64/machinecheck. The limitation prevents disabling.

Remove this limitation and allow the value 0 to disable polling again.

Fixes: b3b7c479 ("x86/MCE: Serialize sysfs changes")
Signed-off-by: default avatarDewet Thibaut <thibaut.dewet@nokia.com>
Signed-off-by: default avatarAlexander Sverdlin <alexander.sverdlin@nokia.com>
[ Massage commit message. ]
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/20180716084927.24869-1-alexander.sverdlin@nokia.com
parent 9d3cce1e
...@@ -2165,9 +2165,6 @@ static ssize_t store_int_with_restart(struct device *s, ...@@ -2165,9 +2165,6 @@ static ssize_t store_int_with_restart(struct device *s,
if (check_interval == old_check_interval) if (check_interval == old_check_interval)
return ret; return ret;
if (check_interval < 1)
check_interval = 1;
mutex_lock(&mce_sysfs_mutex); mutex_lock(&mce_sysfs_mutex);
mce_restart(); mce_restart();
mutex_unlock(&mce_sysfs_mutex); mutex_unlock(&mce_sysfs_mutex);
......
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