** Changed in: linux (Ubuntu Zesty)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1700819
Title:
ERAT invalidate on context switch removal
Status in Ubuntu:
New
Status in linux package in Ubuntu:
Fix Committed
Status in The Zesty Zapus:
New
Status in linux source package in Zesty:
Fix Committed
Bug description:
On P9 (Nimbus) DD2 and later, in radix mode, the move to the PID
register will implicitly invalidate the user space ERAT entries
and leave the kernel ones alone. Thus the only thing needed is
an isync() to synchronize this with subsequent uaccess's
Upstream submission:
http://patchwork.ozlabs.org/patch/780515/
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