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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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.. | ||
boot.h | ||
bootparams.h | ||
bootsect.S | ||
efi.h | ||
efisetup.c | ||
header.S | ||
mbr.S | ||
setup.S | ||
startup32.S | ||
startup64.S |