mm/scatterlist: Do not disable irqs on RT
For -RT it is enough to keep pagefault disabled (which is currently handled by kmap_atomic()). Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -811,7 +811,7 @@ void sg_miter_stop(struct sg_mapping_iter *miter)
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flush_kernel_dcache_page(miter->page);
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if (miter->__flags & SG_MITER_ATOMIC) {
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WARN_ON_ONCE(preemptible());
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WARN_ON_ONCE(!pagefault_disabled());
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kunmap_atomic(miter->addr);
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} else
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kunmap(miter->page);
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