On vcpu schedule, the condition checked for tlb pollution is too loose.
The tlb entries of a vcpu become polluted (vs stale) only when a different
vcpu within the same logical partition runs in-between. Optimize the tlb
invalidation condition keeping last_vcpu per logical partition id.
With the
On 18.06.14 17:21, Aneesh Kumar K.V wrote:
Alexander Graf ag...@suse.de writes:
We use ABIv2 on Little Endian systems which gets rid of the dotted function
names. Branch to the actual functions when we see such a system.
Signed-off-by: Alexander Graf ag...@suse.de
As per patches sent by
-Original Message-
From: Mihai Caraman [mailto:mihai.cara...@freescale.com]
Sent: Wednesday, June 18, 2014 9:15 PM
To: kvm-ppc@vger.kernel.org
Cc: k...@vger.kernel.org; linuxppc-...@lists.ozlabs.org; Caraman Mihai
Claudiu-
B02008; Bhushan Bharat-R65777
Subject: [PATCH] KVM: PPC:
The patch 08c9a188d0d0fc0f0c5e17d89a06bb59c493110f
kvm: powerpc: use caching attributes as per linux pte
do not handle properly the error case, letting mmu_lock locked. The lock
will further generate a RCU stall from kvmppc_e500_emul_tlbwe() caller.
In case of an error go to out label.
On Wed, 2014-06-18 at 10:15 +0300, Mihai Caraman wrote:
On vcpu schedule, the condition checked for tlb pollution is too loose.
The tlb entries of a vcpu become polluted (vs stale) only when a different
vcpu within the same logical partition runs in-between. Optimize the tlb
invalidation
On Mon, 16 Jun 2014 14:40:46 +0900 Joonsoo Kim iamjoonsoo@lge.com wrote:
PPC KVM's CMA area management requires arbitrary bitmap granularity,
since they want to reserve very large memory and manage this region
with bitmap that one bit for several pages to reduce management overheads.
So
On Tue, 17 Jun 2014 10:25:07 +0900 Joonsoo Kim iamjoonsoo@lge.com wrote:
v2:
- Although this patchset looks very different with v1, the end result,
that is, mm/cma.c is same with v1's one. So I carry Ack to patch 6-7.
This patchset is based on linux-next 20140610.
Thanks
