On Fri, Feb 25, 2022 at 11:40:08AM +0100, David Engraf wrote: > Commit 6d502b6ba1b2 ("arm64: signal: nofpsimd: Handle fp/simd context for > signal frames") introduced saving the fp/simd context for signal handling > only when support is available. But setup_sigframe_layout() always > reserves memory for fp/simd context. The additional memory is not touched > because preserve_fpsimd_context() is not called and thus the magic is > invalid. Reviwed-by: Mark Brown