From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/xen/pcpu.c | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/xen/pcpu.c b/kernel/drivers/xen/pcpu.c
index 9cf7085..4581217 100644
--- a/kernel/drivers/xen/pcpu.c
+++ b/kernel/drivers/xen/pcpu.c
@@ -58,6 +58,7 @@
struct list_head list;
struct device dev;
uint32_t cpu_id;
+ uint32_t acpi_id;
uint32_t flags;
};
@@ -249,6 +250,7 @@
INIT_LIST_HEAD(&pcpu->list);
pcpu->cpu_id = info->xen_cpuid;
+ pcpu->acpi_id = info->acpi_id;
pcpu->flags = info->flags;
/* Need hold on xen_pcpu_lock before pcpu list manipulations */
@@ -416,3 +418,21 @@
return ret;
}
arch_initcall(xen_pcpu_init);
+
+#ifdef CONFIG_ACPI
+bool __init xen_processor_present(uint32_t acpi_id)
+{
+ const struct pcpu *pcpu;
+ bool online = false;
+
+ mutex_lock(&xen_pcpu_lock);
+ list_for_each_entry(pcpu, &xen_pcpus, list)
+ if (pcpu->acpi_id == acpi_id) {
+ online = pcpu->flags & XEN_PCPU_FLAGS_ONLINE;
+ break;
+ }
+ mutex_unlock(&xen_pcpu_lock);
+
+ return online;
+}
+#endif
--
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