arm64: KVM: Add workaround for Cortex-A57 erratum 834220

[mirror_ubuntu-zesty-kernel.git] / arch / arm64 / kernel / cpu_errata.c

diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 24926f2504f7aaf2e37a6f9ecf1692ce3fff422b..feb6b4efa6414846d5598ccb0913a544ba0cf441 100644 (file)
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -75,6 +75,15 @@ const struct arm64_cpu_capabilities arm64_errata[] = {
                           (1 << MIDR_VARIANT_SHIFT) | 2),
        },
 #endif
+#ifdef CONFIG_ARM64_ERRATUM_834220
+       {
+       /* Cortex-A57 r0p0 - r1p2 */
+               .desc = "ARM erratum 834220",
+               .capability = ARM64_WORKAROUND_834220,
+               MIDR_RANGE(MIDR_CORTEX_A57, 0x00,
+                          (1 << MIDR_VARIANT_SHIFT) | 2),
+       },
+#endif
 #ifdef CONFIG_ARM64_ERRATUM_845719
        {
        /* Cortex-A53 r0p[01234] */