On 3/2/21 5:39 PM, Richard Henderson wrote:
If the CCO bit is set, MVPG should not generate an exception
but report page translation faults via a CC code. Create a new
helper, access_prepare_nf, which can use probe_access_flags in
non-faulting mode.
Cc: David Hildenbrand<[email protected]>
Reported-by: Thomas Huth<[email protected]>
Signed-off-by: Richard Henderson<[email protected]>
---
target/s390x/mem_helper.c | 76 +++++++++++++++++++++++++++------------
1 file changed, 53 insertions(+), 23 deletions(-)
Oh, I meant to say that this is untested, but is what I was
talking about wrt performing only a single lookup per page.
r~