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The msr invalidation code (commits 993eb and 2360b) inverts all bits except MSR_TGPR and MSR_HVB. On non PowerPC 601 processors this leads to incorrect change of excp_prefix in hreg_store_msr() function. The problem is that new msr value get multiplied by msr_mask and inverted msr does not, thus values of MSR_EP bit in new msr value and inverted msr are distinct, so that excp_prefix changes but should not. Signed-off-by: Kurban Mallachiev <mallachiev@ispras.ru> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> |
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