crypto: arm64/sha512-ce - simplify NEON yield
Instead of calling into kernel_neon_end() and kernel_neon_begin() (and potentially into schedule()) from the assembler code when running in task mode and a reschedule is pending, perform only the preempt count check in assembler, but simply return early in this case, and let the C code deal with the consequences. This reverts commit 6caf7adc. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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