Merge branch 'timers/urgent' into x86/xen

Conflicts:
	arch/x86/kernel/process_32.c
	arch/x86/kernel/process_64.c

Manual merge:

	arch/x86/kernel/smpboot.c

Signed-off-by: Ingo Molnar <mingo@elte.hu>

lib/scatterlist.c

@@ -422,9 +422,12 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
 {
 	unsigned int offset = 0;
 	struct sg_mapping_iter miter;
+	unsigned long flags;
 
 	sg_miter_start(&miter, sgl, nents, SG_MITER_ATOMIC);
 
+	local_irq_save(flags);
+
 	while (sg_miter_next(&miter) && offset < buflen) {
 		unsigned int len;
 
@@ -442,6 +445,7 @@ static size_t sg_copy_buffer(struct scatterlist *sgl, unsigned int nents,
 
 	sg_miter_stop(&miter);
 
+	local_irq_restore(flags);
 	return offset;
 }
 

lib/swiotlb.c

@@ -491,7 +491,7 @@ swiotlb_alloc_coherent(struct device *hwdev, size_t size,
 		 * the lowest available address range.
 		 */
 		dma_addr_t handle;
-		handle = swiotlb_map_single(NULL, NULL, size, DMA_FROM_DEVICE);
+		handle = swiotlb_map_single(hwdev, NULL, size, DMA_FROM_DEVICE);
 		if (swiotlb_dma_mapping_error(hwdev, handle))
 			return NULL;