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4078b7760e
The old barrier implementation was very slow when running on a multi-socket machine (pcmemtest issue 16). The new implementation provides two options: - when blocked, spin on a thread-local flag - when blocked, execute a HLT instruction and wait for a NMI The first option might be faster, but we need to measure it to find out. A new boot command line option is provided to select between the two, with a third setting that uses a mixture of the two. |
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| .. | ||
| assert.h | ||
| barrier.c | ||
| barrier.h | ||
| ctype.c | ||
| ctype.h | ||
| div64.c | ||
| print.c | ||
| print.h | ||
| read.c | ||
| read.h | ||
| spinlock.h | ||
| string.c | ||
| string.h | ||
| unistd.c | ||
| unistd.h | ||