Re: crypto: sun4i-ss: error with kmap

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On Tue, Dec 01 2020 at 14:52, Corentin Labbe wrote:
> On Tue, Dec 01, 2020 at 02:28:54PM +0100, Thomas Gleixner wrote:
> The patch made the board too busy logging and fail to boot until the test.

Stupid me. Of course this wants to be conditional.

Thanks,

        tglx
---        
diff --git a/mm/highmem.c b/mm/highmem.c
index b49364a306b8..178b126ab4f6 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -571,8 +571,10 @@ void kunmap_local_indexed(void *vaddr)
 		 * PAGE_OFFSET. Warn for all other addresses which are in
 		 * the user space part of the virtual address space.
 		 */
-		if (!kmap_high_unmap_local(addr))
-			WARN_ON_ONCE(addr < PAGE_OFFSET);
+		if (!kmap_high_unmap_local(addr)) {
+			if (WARN_ON_ONCE(addr < PAGE_OFFSET))
+				pr_err("kunmap_local: vaddr %lx\n", (unsigned long) vaddr);
+		}
 		return;
 	}
 



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