forked from Minki/linux
773602256a
Using cluster topology on hybrid CPUs, e.g. Alder Lake, biases the scheduler towards the ATOM cluster as that has more total capacity. Use selection based on CPU priority instead. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmG1xxETHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoWhaEADFlr1l6QwIJs8Bv3Z9u/kkW1fPIoqP aFDrqLiQ/T+gBuS+d7R3YkRf1cICS+gbvv/dw8qx/v6gerUC71tEXxYxvOUqR7QL wX2zFNrhQqBaIKKGnbTHe47pB2+/AlpbXuQ2/j415AHxCxB4fOC1N4VKq0hTUyPu Ubz+QmOHcB0NhAf1jeN9DAlTJgQNbRW6oYYPJDsr+n+WjdlN3IZW/hCxLN1cvnNd NzsDEK1EeuccteoT5btzYy+XB31+WNrZ9afcJgG7goO/zmJfZ1lWAsyjKPocn6dC ozZSvHQhbgJIAwBaZJFyjZocgHTIkdFX6NzlpKaWw05tk984hJJ9pvg4KO5YeNx/ tIehPnkmd9GwwO541+t3DhcbCPQIiKypRZKnXuczkjIuG3t2oD25b1EAqwhoPKGk TEX2o4DjixS3oKUP6khDteQkj8B0qOjeY18eGjBilJ764mRfbL+GRk/NoqVidrnt JWSCPEMM842Y8W7GYfZZZAypqDz9U0yRl+BCKpNDcx3Nr5OSbfkWC/LdvM3LlgIE /a2C6CXIZXgiifTF2PHOmv0O3/VPAtHXZ01ExzZu/MJP0hBUjLrxsj+TwILgociw WLVYnBgCf5XN1rMPmora8P5y+O/UpEYhXbmIFa6HQAQyfc0Ffiof4ZOl5VYf3mNh 1GLB+ByEgCz4ig== =rr0v -----END PGP SIGNATURE----- Merge tag 'sched-urgent-2021-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fix from Thomas Gleixner: "A single fix for the x86 scheduler topology: Using cluster topology on hybrid CPUs, e.g. Alder Lake, biases the scheduler towards the ATOM cluster as that has more total capacity. Use selection based on CPU priority instead" * tag 'sched-urgent-2021-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched,x86: Don't use cluster topology for x86 hybrid CPUs |
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