Martin Schwidefsky c9b5ad546e s390/mm: tag normal pages vs pages used in page tables ... The ESSA instruction has a new option that allows to tag pages that are not used as a page table. Without the tag the hypervisor has to assume that any guest page could be used in a page table inside the guest. This forces the hypervisor to flush all guest TLB entries whenever a host page table entry is invalidated. With the tag the host can skip the TLB flush if the page is tagged as normal page. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		2017-07-25 06:55:28 +02:00
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asm	s390/mm: tag normal pages vs pages used in page tables	2017-07-25 06:55:28 +02:00
uapi/asm	PPC:	2017-07-06 18:38:31 -07:00