ehea crash on boot

[Michael Ellerman]

Jan Stancek <jstancek at redhat.com> writes:

> Hi Denis / all,
>
> Do you know if there is a patch or lead for this problem? I seem
> to be hitting same Oops with P730 lpar when running 4.8 (see below),
> but 4.7.7 looks OK.

Does this fix it?

cheers


diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 4cebc31e53de..4e83d872872d 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -526,7 +526,7 @@ static bool might_have_hea(void)
 	 */
 #ifdef CONFIG_IBMEBUS
 	return !cpu_has_feature(CPU_FTR_ARCH_207S) &&
-		!firmware_has_feature(FW_FEATURE_SPLPAR);
+		firmware_has_feature(FW_FEATURE_SPLPAR);
 #else
 	return false;
 #endif