Re: [kvm-devel] [RFC/PATCH 01/15 v2] preparation: provide hook to enable pgstes in user pagetable

2008-03-24 Thread Andrew Morton
On Sat, 22 Mar 2008 18:02:37 +0100 Carsten Otte [EMAIL PROTECTED] wrote: From: Martin Schwidefsky [EMAIL PROTECTED] The SIE instruction on s390 uses the 2nd half of the page table page to virtualize the storage keys of a guest. This patch offers the s390_enable_sie function, which

[kvm-devel] [RFC/PATCH 01/15 v2] preparation: provide hook to enable pgstes in user pagetable

2008-03-22 Thread Carsten Otte
From: Martin Schwidefsky [EMAIL PROTECTED] The SIE instruction on s390 uses the 2nd half of the page table page to virtualize the storage keys of a guest. This patch offers the s390_enable_sie function, which reorganizes the page tables of a single-threaded process to reserve space in the page