[PATCH v11 25/40] arm64/sme: Save and restore streaming mode over EFI runtime calls

Catalin Marinas catalin.marinas at arm.com
Wed Feb 23 07:31:37 PST 2022


On Mon, Feb 07, 2022 at 03:20:54PM +0000, Mark Brown wrote:
> When saving and restoring the floating point state over an EFI runtime
> call ensure that we handle streaming mode, only handling FFR if we are not
> in streaming mode and ensuring that we are in normal mode over the call
> into runtime services.
> 
> We currently assume that ZA will not be modified by runtime services, the
> specification is not yet finalised so this may need updating if that
> changes.
> 
> Signed-off-by: Mark Brown <broonie at kernel.org>

Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>



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