Dave Martin <dave.mar...@arm.com> writes: > fpsimd_last_state.st is set to NULL as a way of indicating that > current's FPSIMD registers are no longer loaded in the cpu. In > particular, this is done when the kernel temporarily uses or > clobbers the FPSIMD registers for its own purposes, as in CPU PM or > kernel-mode NEON, resulting in them being populated with garbage > data not belonging to a task. <snip> > > Signed-off-by: Dave Martin <dave.mar...@arm.com> > Cc: Catalin Marinas <catalin.mari...@arm.com> > Cc: Will Deacon <will.dea...@arm.com> > Cc: Ard Biesheuvel <ard.biesheu...@linaro.org>
Reviewed-by: Alex Bennée <alex.ben...@linaro.org> -- Alex Bennée _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm