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hc
2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf 
 kernel/arch/parisc/kernel/cache.c
....@@ -327,6 +327,7 @@
327327 	struct vm_area_struct *mpnt;
328328 	unsigned long offset;
329329 	unsigned long addr, old_addr = 0;
330
+	unsigned long flags;
330331 	pgoff_t pgoff;
331332 
332333 	if (mapping && !mapping_mapped(mapping)) {
....@@ -346,7 +347,7 @@
346347 	 * declared as MAP_PRIVATE or MAP_SHARED), so we only need
347348 	 * to flush one address here for them all to become coherent */
348349 
349
-	flush_dcache_mmap_lock(mapping);
350
+	flush_dcache_mmap_lock_irqsave(mapping, flags);
350351 	vma_interval_tree_foreach(mpnt, &mapping->i_mmap, pgoff, pgoff) {
351352 		offset = (pgoff - mpnt->vm_pgoff) << PAGE_SHIFT;
352353 		addr = mpnt->vm_start + offset;
....@@ -369,7 +370,7 @@
369370 			old_addr = addr;
370371 		}
371372 	}
372
-	flush_dcache_mmap_unlock(mapping);
373
+	flush_dcache_mmap_unlock_irqrestore(mapping, flags);
373374 }
374375 EXPORT_SYMBOL(flush_dcache_page);
375376