-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 09/22/2014 03:57 PM, Andres Lagar-Cavilla wrote: > 1. We were calling clear_flush_young_notify in unmap_one, but we > are within an mmu notifier invalidate range scope. The spte exists > no more (due to range_start) and the accessed bit info has already > been propagated (due to kvm_pfn_set_accessed). Simply call > clear_flush_young. > > 2. We clear_flush_young on a primary MMU PMD, but this may be > mapped as a collection of PTEs by the secondary MMU (e.g. during > log-dirty). This required expanding the interface of the > clear_flush_young mmu notifier, so a lot of code has been trivially > touched. > > 3. In the absence of shadow_accessed_mask (e.g. EPT A bit), we > emulate the access bit by blowing the spte. This requires proper > synchronizing with MMU notifier consumers, like every other removal > of spte's does. Acked-by: Rik van Riel <riel@xxxxxxxxxx> - -- All rights reversed -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJUIIQiAAoJEM553pKExN6DWeoH/RpkYF1QCxnbxgZhnioaWjyu Rp/kN6Rck6Eu3k/yRI6k+8IhgUJWkVhSXybTIDl1X6aVGgYwhaeOv2zPPfshfM6h ABE3pLFjs2qtdotZXFSvZ4mNwbQE73YHphAbmFUBSdm2Oz1bj6Qfq+KYFdM+aQd7 UYIFgtdGg/tyLMqE25J7pAnSDRR5GKmAKLvkFjN3Q8O4ynD3rExH1yTMLtQbyKvb oadSzaQLBOkLDAj3rpiOTl52B2tlQS+cxWqEfzA/AXOK8TkllDKIQT5BeRXV5O1c /WsZmusiA6KYgjLxnL0K9XJpgpOQ5unYAFyIGgYmKiaN6PQsd+pGM5GDnOWGorE= =dftO -----END PGP SIGNATURE----- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>