Make hdparm device checks lazy

Resolves: RHEL-71457
This commit is contained in:
Pavol Žáčik 2025-01-07 08:53:37 +01:00
parent 1eb1d8f784
commit df8e8f27c4
No known key found for this signature in database
GPG Key ID: 5B5640AB63D575DE
2 changed files with 104 additions and 1 deletions

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@ -0,0 +1,97 @@
diff --git a/tuned/plugins/plugin_disk.py b/tuned/plugins/plugin_disk.py
index 1438e35..d6feb06 100644
--- a/tuned/plugins/plugin_disk.py
+++ b/tuned/plugins/plugin_disk.py
@@ -100,19 +100,20 @@ class DiskPlugin(hotplug.Plugin):
self._devices_supported = True
self._use_hdparm = True
self._free_devices = set()
- self._hdparm_apm_devices = set()
+ self._hdparm_apm_device_support = dict()
for device in self._hardware_inventory.get_devices("block"):
if self._device_is_supported(device):
self._free_devices.add(device.sys_name)
- if self._use_hdparm and self._is_hdparm_apm_supported(device.sys_name):
- self._hdparm_apm_devices.add(device.sys_name)
-
self._assigned_devices = set()
def _get_device_objects(self, devices):
return [self._hardware_inventory.get_device("block", x) for x in devices]
def _is_hdparm_apm_supported(self, device):
+ if not self._use_hdparm:
+ return False
+ if device in self._hdparm_apm_device_support:
+ return self._hdparm_apm_device_support[device]
(rc, out, err_msg) = self._cmd.execute(["hdparm", "-C", "/dev/%s" % device], \
no_errors = [errno.ENOENT], return_err=True)
if rc == -errno.ENOENT:
@@ -122,10 +123,13 @@ class DiskPlugin(hotplug.Plugin):
elif rc:
log.info("Device '%s' not supported by hdparm" % device)
log.debug("(rc: %s, msg: '%s')" % (rc, err_msg))
+ self._hdparm_apm_device_support[device] = False
return False
elif "unknown" in out:
log.info("Driver for device '%s' does not support apm command" % device)
+ self._hdparm_apm_device_support[device] = False
return False
+ self._hdparm_apm_device_support[device] = True
return True
@classmethod
@@ -232,7 +236,7 @@ class DiskPlugin(hotplug.Plugin):
return not "standby" in out and not "sleeping" in out
def _instance_update_dynamic(self, instance, device):
- if not device in self._hdparm_apm_devices:
+ if not self._is_hdparm_apm_supported(device):
return
load = instance._load_monitor.get_device_load(device)
if load is None:
@@ -315,7 +319,7 @@ class DiskPlugin(hotplug.Plugin):
# At the moment we support dynamic tuning just for devices compatible with hdparm apm commands
# If in future will be added new functionality not connected to this command,
# it is needed to change it here
- if device not in self._hdparm_apm_devices:
+ if not self._is_hdparm_apm_supported(device):
log.info("There is no dynamic tuning available for device '%s' at time" % device)
else:
super(DiskPlugin, self)._instance_apply_dynamic(instance, device)
@@ -350,7 +354,7 @@ class DiskPlugin(hotplug.Plugin):
@command_set("apm", per_device=True)
def _set_apm(self, value, device, sim, remove):
- if device not in self._hdparm_apm_devices:
+ if not self._is_hdparm_apm_supported(device):
if not sim:
log.info("apm option is not supported for device '%s'" % device)
return None
@@ -366,7 +370,7 @@ class DiskPlugin(hotplug.Plugin):
@command_get("apm")
def _get_apm(self, device, ignore_missing=False):
- if device not in self._hdparm_apm_devices:
+ if not self._is_hdparm_apm_supported(device):
if not ignore_missing:
log.info("apm option is not supported for device '%s'" % device)
return None
@@ -390,7 +394,7 @@ class DiskPlugin(hotplug.Plugin):
@command_set("spindown", per_device=True)
def _set_spindown(self, value, device, sim, remove):
- if device not in self._hdparm_apm_devices:
+ if not self._is_hdparm_apm_supported(device):
if not sim:
log.info("spindown option is not supported for device '%s'" % device)
return None
@@ -406,7 +410,7 @@ class DiskPlugin(hotplug.Plugin):
@command_get("spindown")
def _get_spindown(self, device, ignore_missing=False):
- if device not in self._hdparm_apm_devices:
+ if not self._is_hdparm_apm_supported(device):
if not ignore_missing:
log.info("spindown option is not supported for device '%s'" % device)
return None

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@ -35,7 +35,7 @@
Summary: A dynamic adaptive system tuning daemon
Name: tuned
Version: 2.22.1
Release: 5%{?prerel1}%{?dist}
Release: 6%{?prerel1}%{?dist}
License: GPLv2+
Source0: https://github.com/redhat-performance/%{name}/archive/v%{version}%{?prerel2}/%{name}-%{version}%{?prerel2}.tar.gz
# RHEL-8 specific recommend.conf:
@ -102,6 +102,8 @@ Patch2: tuned-2.22.1-profile-epyc-eda.patch
# Update vm.max_map_count in the sap-netweaver profile (see RHEL-32124 for details)
Patch3: tuned-2.22.1-sap-vm-max-map-count.patch
Patch4: tuned-2.21.1-CVE-2024-52337.patch
# Make hdparm device checks lazy (see RHEL-71457 for details)
Patch5: tuned-2.22.1-use-hdparm-lazily.patch
%description
The tuned package contains a daemon that tunes system settings dynamically.
@ -574,6 +576,10 @@ fi
%config(noreplace) %{_sysconfdir}/tuned/ppd.conf
%changelog
* Mon Jan 06 2025 Pavol Žáčik <pzacik@redhat.com> - 2.22.1-6
- Make hdparm device checks lazy
Resolves: RHEL-71457
* Mon Nov 18 2024 Jaroslav Škarvada <jskarvad@redhat.com> - 2.22.1-5
- Added sanity checks for API methods parameters, (CVE-2024-52337)
Resolves: RHEL-66614