arm64: unwind: remove sp from struct stackframe
The unwind code sets the sp member of struct stackframe to 'frame pointer + 0x10' unconditionally, without regard for whether doing so produces a legal value. So let's simply remove it now that we have stopped using it anyway. Signed-off-by:Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by:
Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: James Morse <james.morse@arm.com> Cc: Will Deacon <will.deacon@arm.com>
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73267498
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