将晦涩难懂的技术讲的通俗易懂
| 标题 | 阅读 | 评论 | 转发 | 发布日期 | |
|---|---|---|---|---|---|
| Snap:基于微内核的主机网络 | 1295 | 0 | 0 | 2023-11-18 | |
| NVDIA AI硬件产品介绍 | 1029 | 0 | 0 | 2023-11-05 | |
| virtio-mmio实现分析 | 2591 | 0 | 0 | 2023-08-19 | |
| 【推荐】 DPDK virtio-net加载注意事项 | 33398 | 0 | 0 | 2023-07-15 | |
| DPDK 22.11内存管理变化解析 | 3717 | 0 | 0 | 2023-06-24 | |
| 容器技术常见概念介绍 | 2826 | 0 | 0 | 2023-06-18 | |
| 【推荐】 iotlb和ATS | 12716 | 0 | 0 | 2023-05-14 | |
| 【推荐】 从virtio看PCIe设备实现 | 12922 | 0 | 0 | 2023-05-07 | |
| 【推荐】 从virtio看iommu和DMA的关系 | 13678 | 0 | 1 | 2022-12-04 | |
| 【推荐】 反汇编与逆向分析基础 | 11427 | 0 | 1 | 2022-11-26 | |
| iommu passthrough分析 | 7477 | 0 | 2 | 2022-09-30 | |
| vhost前后端(vhost_net/virtio_net)转发流程详解 | 5543 | 0 | 0 | 2022-06-04 | |
| linux tun/tap设备的实现(kennel 3.10) | 3209 | 0 | 0 | 2021-10-24 | |
| DPDK KNI原理和实现 | 4792 | 0 | 0 | 2021-10-23 | |
| DPDK virtio-user介绍及使用 | 9499 | 0 | 0 | 2021-10-23 | |
| virtio over MMIO概述 | 6217 | 0 | 0 | 2021-10-17 | |
| Scalable IOV技术详解 | 10100 | 0 | 1 | 2021-09-04 | |
| Shared Virtual Memory(SVM)介绍 | 5286 | 0 | 0 | 2021-08-29 | |
| 网络安全和加密二——证书签发 | 1906 | 0 | 0 | 2021-08-16 | |
| 网络安全和加密三——可信计算和TPM | 3566 | 0 | 0 | 2021-08-14 |
吻的感觉适2025-07-18 23:22
https://txc.qq.com/products/762843/blog/2022630
https://txc.qq.com/products/762814/blog/2022624
https://txc.qq.com/products/762833/blog/2022632
https://txc.qq.com/products/762839/blog/2022631
https://txc.qq.com/products/762835/blog/2022633
https://txc.qq.com/products/762845/blog/2022634
https://txc.qq.com/products/762810/blog/2022636
https://txc.qq.com/products/762848/blog/2022637
https://txc.qq.com/products/762843/blog/2022638
https://txc.qq.com/products/762814/blog/2022639
https://txc.qq.com/products/762839/blog/2022640
https://txc.qq.com/products/762833/blog/2022642
https://txc.qq.com/products/762810/blog/2022644
https://txc.qq.com/products/762843/blog/2022645
https://txc.qq.com/products/762814/blog/2022647
https://txc.qq.com/products/762833/blog/2022648
https://txc.qq.com/products/762843/blog/2022650
zf8292024-11-13 13:41
zf829:您好,请教大神一个问题,设备直通给VM时,中断到底会不会导致VM_EXIT吗,如果会,那VIRTIO直通时还会导致IO性能下降吧?“当透传设备产生中断时,vfio_msihandler ISR执行,该函数不做实际的服务程序处理,仅仅通过eventfd_signal激活irqfd_inject,然后最终调用deliver_posted_interrupt向虚机注入中断,中断号即为虚机配置透传设备时的中断号。” 这段描述在代码上我也仔细看了,逻辑肯定是对的,但另一方面我还是不确定中断到底会不会导致VM_EXIT
这里的中断主要是指数据包收发的中断
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