[v1] x86: allow Kconfig control over psABI level | Patchew

[PATCH 0/3] x86: allow Kconfig control over psABI level

Jan Beulich posted 3 patches 9 months, 2 weeks ago

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[PATCH 0/3] x86: allow Kconfig control over psABI level

Posted by Jan Beulich 9 months, 2 weeks ago

As discussed in Prague, with some minor add-ons (patch 2 replacing a much
older patch under the same title).

1: allow Kconfig control over psABI level
2: use POPCNT for hweight<N>() when available
3: short-circuit certain cpu_has_* when x86-64-v{2,3} are in effect

Jan