From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/arch/x86/xen/smp.c | 21 ++++++++++++---------
1 files changed, 12 insertions(+), 9 deletions(-)
diff --git a/kernel/arch/x86/xen/smp.c b/kernel/arch/x86/xen/smp.c
index 7a43b2a..c1b2f76 100644
--- a/kernel/arch/x86/xen/smp.c
+++ b/kernel/arch/x86/xen/smp.c
@@ -88,14 +88,17 @@
per_cpu(xen_callfunc_irq, cpu).irq = rc;
per_cpu(xen_callfunc_irq, cpu).name = callfunc_name;
- debug_name = kasprintf(GFP_KERNEL, "debug%d", cpu);
- rc = bind_virq_to_irqhandler(VIRQ_DEBUG, cpu, xen_debug_interrupt,
- IRQF_PERCPU | IRQF_NOBALANCING,
- debug_name, NULL);
- if (rc < 0)
- goto fail;
- per_cpu(xen_debug_irq, cpu).irq = rc;
- per_cpu(xen_debug_irq, cpu).name = debug_name;
+ if (!xen_fifo_events) {
+ debug_name = kasprintf(GFP_KERNEL, "debug%d", cpu);
+ rc = bind_virq_to_irqhandler(VIRQ_DEBUG, cpu,
+ xen_debug_interrupt,
+ IRQF_PERCPU | IRQF_NOBALANCING,
+ debug_name, NULL);
+ if (rc < 0)
+ goto fail;
+ per_cpu(xen_debug_irq, cpu).irq = rc;
+ per_cpu(xen_debug_irq, cpu).name = debug_name;
+ }
callfunc_name = kasprintf(GFP_KERNEL, "callfuncsingle%d", cpu);
rc = bind_ipi_to_irqhandler(XEN_CALL_FUNCTION_SINGLE_VECTOR,
@@ -132,7 +135,7 @@
if (xen_vcpu_nr(cpu) < MAX_VIRT_CPUS)
continue;
- rc = cpu_down(cpu);
+ rc = remove_cpu(cpu);
if (rc == 0) {
/*
--
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