- 2012年 4月 28日 40 次提交
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Austin Clements 提交于
These safety policies help ensure that an accessor does not migrate CPUs while accessing a percpu variable. The "cli" safety policy only allows percpu variables to be accessed when interrupts are disabled. The "internal" safety policy leaves it up to the caller. Not surprisingly, most current percpu variables use internal.
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Austin Clements 提交于
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由 Austin Clements 提交于
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由 Austin Clements 提交于
Like the find method of standard containers, this returns an iterator to the requested key.
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
I'm sure it fails for some other naming format..
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由 Silas Boyd-Wickizer 提交于
An xns must fit in a page, but that doesn't allow enough buckets to avoid physical sharing in dirbench. This is basically a work-around for the one page limit.
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由 Silas Boyd-Wickizer 提交于
I'll be changing the dirns implementation soon.
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
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由 Silas Boyd-Wickizer 提交于
..next step is a namex that takes no refs.
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由 Austin Clements 提交于
The only unexpected sharing is on the VMA refcount, which is exactly what we expected.
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由 Austin Clements 提交于
This eliminates a bunch of confusing scopes that come from thread creation
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由 Austin Clements 提交于
With the mtrace QEMU, which now switches VCPUs when there's a PAUSE, this speeds up my lame test (usertests vmoverlap) by a factor of 7 and certainly makes xv6 feel much faster.
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由 Austin Clements 提交于
So we can hush up spurious errors.
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由 Austin Clements 提交于
The user errors stream is disabled by default.
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由 Austin Clements 提交于
These have the type-safety and extensibility of ostreams, but the simplicity and almost the terseness of printf.
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由 Austin Clements 提交于
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由 Austin Clements 提交于
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由 Silas Boyd-Wickizer 提交于
Split the inode space into per-cpu spaces of size IPB that start at the begining of a block. Block awareness is important to avoid contention on blocks themselves when allocating or freeing an inode and updating on-disk structures. That is, I don't want to make bio scalable.
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