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今天编译了下qemu-kvm,死活编不过,错误信息如下:CC block/qcow2-snapshot.oIn file included from ./qemu-common.h:6:0, from block/qcow2-snapshot.c:25:block/qcow2-snapshot.c:... 阅读全文
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关于MMIO和PIO,我看到的解释最清楚的文章,原文在这里:Memory-mapped I/O vs port-mapped I/O - 2015Microprocessors normally use two methods to connect external devices: memory ... 阅读全文
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在stackoverflow上看到一关于多线程条件变量的问题,题主问道:什么时候会用到条件变量,mutex还不够吗?有个叫slowjelj的人做了很好的回答,我再看这个哥们其他话题的一些回答,感觉水平好高的。这里把他的回答粘贴一下方便以后查看,原帖在这里:When is a conditional ... 阅读全文
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NSX is VMware's strategy for Software-defined networking, it was implemented purely in software, and provides users with L2 networks over traditional ... 阅读全文