Re: merge 8xx longstanding MM bug workaround

On Jun 25, 2005, at 11:11 AM, Marcelo Tosatti wrote:

 		if (!PageReserved(page)
 		    && !test_bit(PG_arch_1, &page->flags)) {
 			if (vma->vm_mm == current->active_mm)
+#ifdef CONFIG_8xx
+/* On 8xx, cache control instructions (particularly "dcbst" from
+ * flush_dcache_icache) fault as write operation if there is an
+ * unpopulated TLB entry for the address in question. To workaround
+ * that, we invalidate the TLB here, thus avoiding dcbst misbehaviour.
+ */
+			_tlbie(address);
+#endif
 				__flush_dcache_icache((void *) address);
 			else
 				flush_dcache_icache_page(page);

You need some { } and proper indenting here :-)

Thanks.


	-- Dan