On 05/09/2024 12:36 pm, Jan Beulich wrote: > These being controlled by XCR0, enabling support is relatively > straightforward. Note however that there won't be any use of them until > their dependent ISA extension CPUID flags are exposed, not the least due > to recalculate_xstate() handling the dependencies in kind of a reverse > manner. > > Signed-off-by: Jan Beulich <jbeul...@suse.com>
Reviewed-by: Andrew Cooper <andrew.coop...@citrix.com> It might be worth noting that xstate_check_sizes() already probes AMX_TILE? For future xstates, I'd expect matching updates to recalculate_xstate() and xstate_check_sizes(). > --- > Intended to replace part of (and go beyond) "x86/cpufeatures: Add new > cpuid features in SPR to featureset". Matt is OoO for a while. Given this interaction was the only concern, I'll probably rebase the feature patch and commit it.
