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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BSW clflush] igt/gem_partial_pwrite_pread subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92845#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [BSW clflush] igt/gem_partial_pwrite_pread subtests fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92845">bug 92845</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>I've trimmed it down to
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 6000ad7..54683f9 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -141,6 +141,8 @@ void clflush_cache_range(void *vaddr, unsigned int size)
for (; p < vend; p += clflush_size)
clflushopt(p);
+ clflushopt(vaddr);
+
mb();
}
EXPORT_SYMBOL_GPL(clflush_cache_range);
(with the proviso of converting us over to clflush_cache_range).</pre>
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