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authorZeng Chi <zengchi@kylinos.cn>2026-09-21 18:24:42 +0800
committerSean Christopherson <seanjc@google.com>2026-09-22 08:36:16 -0700
commit119e9db233ad0f4cbd4cfb9f9385a7bca378b37d (patch)
tree660d50d4139cb750fbde1ae3432452c20726c99d /include/drm/drm_sysfs.h
downloadlinux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.tar.gz
linux-stable-119e9db233ad0f4cbd4cfb9f9385a7bca378b37d.zip
KVM: Don't pre-reserve xarray entries when storing empty/NULL attributesgrafted
Skip the xarray reservation loop when clearing all memory attributes, as storing NULL only erases the entry and never needs to allocate, so no reservation (and no cleanup of a failed one) is required in that case. Suggested-by: Sean Christopherson <seanjc@google.com> Cc: David Ballesteros <davimaba.v@proton.me> Signed-off-by: Zeng Chi <zengchi@kylinos.cn> Link: https://patch.msgid.link/20260921102442.1232375-1-zeng_chi911@163.com [sean: split to separate patch] Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'include/drm/drm_sysfs.h')
-rw-r--r--include/drm/drm_sysfs.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/drm/drm_sysfs.h b/include/drm/drm_sysfs.h
new file mode 100644
index 000000000..96a5d8584
--- /dev/null
+++ b/include/drm/drm_sysfs.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _DRM_SYSFS_H_
+#define _DRM_SYSFS_H_
+
+struct drm_device;
+struct device;
+struct drm_connector;
+struct drm_property;
+
+int drm_class_device_register(struct device *dev);
+void drm_class_device_unregister(struct device *dev);
+
+void drm_sysfs_hotplug_event(struct drm_device *dev);
+void drm_sysfs_connector_hotplug_event(struct drm_connector *connector);
+void drm_sysfs_connector_property_event(struct drm_connector *connector,
+ struct drm_property *property);
+#endif