On 10/23/2013 09:26 AM, Tiejun Chen wrote:
We enter with interrupts disabled in hardware, but we need to
call RECONCILE_IRQ_STATE anyway to ensure that the software state
is kept in sync instead of calling hard_irq_disable() directly.
Signed-off-by: Tiejun Chen tiejun.c...@windriver.com
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v5:
On Fri, 2013-11-15 at 11:01 +0530, Bharat Bhushan wrote:
From: Bharat Bhushan bharat.bhus...@freescale.com
v2-v3
- Returning pte pointer rather than pte as suggested by Scott
- Also removed PAGE_SPLITTING as this need to be handled by caller
v1-v2
- Removed _PAGE_BUSY loop as
On 17.11.2013, at 20:09, Liu Ping Fan qemul...@gmail.com wrote:
In some scene, e.g openstack CI, PR guest can trigger sc 1 frequently,
this patch optimizes the path by directly delivering BOOK3S_INTERRUPT_SYSCALL
to HV guest, so powernv can return to HV guest without heavy exit, i.e,
no need
On 16.11.2013, at 03:59, Paul Mackerras pau...@samba.org wrote:
I have been thinking about adding an interface to PPC KVM's PAPR
emulation to allow userspace to control whether or not individual
hypercalls or groups of hypercalls get handled in the kernel
(vs. being passed up to userspace to
On 16.11.2013, at 01:55, Paul Mackerras pau...@samba.org wrote:
On Fri, Nov 15, 2013 at 04:35:00PM +0800, Liu Ping Fan wrote:
Since kvmppc_hv_find_lock_hpte() is called from both virtmode and
realmode, so it can trigger the deadlock.
Suppose the following scene:
Two physical cpuM, cpuN,
On 16.11.2013, at 01:46, Paul Mackerras pau...@samba.org wrote:
This series fixes some nasty bugs that have recently been found in HV
KVM on PPC. The series is against the 'queue' branch of the KVM tree.
I would like to see all of these go into 3.13.
The first patch fixes a regression
On Mon, 2013-11-18 at 16:09 -0500, Alexander Graf wrote:
On 18.11.2013, at 03:34, “tiejun.chen” tiejun.c...@windriver.com wrote:
On 10/23/2013 09:26 AM, Tiejun Chen wrote:
We enter with interrupts disabled in hardware, but we need to
call RECONCILE_IRQ_STATE anyway to ensure that the
On Mon, Nov 18, 2013 at 04:31:39PM -0500, Alexander Graf wrote:
On 16.11.2013, at 03:59, Paul Mackerras pau...@samba.org wrote:
I have been thinking about adding an interface to PPC KVM's PAPR
emulation to allow userspace to control whether or not individual
hypercalls or groups of
Since kvmppc_hv_find_lock_hpte() is called from both virtmode and
realmode, so it can trigger the deadlock.
Suppose the following scene:
Two physical cpuM, cpuN, two VM instances A, B, each VM has a group of
vcpus.
If on cpuM, vcpu_A_1 holds bitlock X (HPTE_V_HVLOCK), then is switched
out, and
In some scene, e.g openstack CI, PR guest can trigger sc 1 frequently,
this patch optimizes the path by directly delivering BOOK3S_INTERRUPT_SYSCALL
to HV guest, so powernv can return to HV guest without heavy exit, i.e,
no need to swap TLB, HTAB,.. etc
Signed-off-by: Liu Ping Fan
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