On 04/14/2016 10:34 AM, Pan Xinhui wrote:
hello, Waiman
I try your patch, thanks!
also I do some improvement.
below code diff has been tested, it works for me. :)
diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c
index ce2f75e..99f31e4 100644
--- a/kernel/locking/qspinlock.c
On 04/14/2016 10:34 AM, Pan Xinhui wrote:
hello, Waiman
I try your patch, thanks!
also I do some improvement.
below code diff has been tested, it works for me. :)
diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c
index ce2f75e..99f31e4 100644
--- a/kernel/locking/qspinlock.c
hello, Waiman
I try your patch, thanks!
also I do some improvement.
below code diff has been tested, it works for me. :)
diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c
index ce2f75e..99f31e4 100644
--- a/kernel/locking/qspinlock.c
+++ b/kernel/locking/qspinlock.c
@@ -248,7
hello, Waiman
I try your patch, thanks!
also I do some improvement.
below code diff has been tested, it works for me. :)
diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c
index ce2f75e..99f31e4 100644
--- a/kernel/locking/qspinlock.c
+++ b/kernel/locking/qspinlock.c
@@ -248,7
On 2016年04月14日 04:59, Waiman Long wrote:
> Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
> to help the porting of pvqspinlock to PPC. The new argument will can
> potentially help hypervisor expediate the execution of the critical
> section so that the lock holder vCPU can
On 2016年04月14日 04:59, Waiman Long wrote:
> Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
> to help the porting of pvqspinlock to PPC. The new argument will can
> potentially help hypervisor expediate the execution of the critical
> section so that the lock holder vCPU can
On 2016年04月14日 08:21, Peter Zijlstra wrote:
> On Wed, Apr 13, 2016 at 04:59:20PM -0400, Waiman Long wrote:
>> Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
>> to help the porting of pvqspinlock to PPC. The new argument will can
>> potentially help hypervisor expediate the
On 2016年04月14日 08:21, Peter Zijlstra wrote:
> On Wed, Apr 13, 2016 at 04:59:20PM -0400, Waiman Long wrote:
>> Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
>> to help the porting of pvqspinlock to PPC. The new argument will can
>> potentially help hypervisor expediate the
On 04/13/2016 08:21 PM, Peter Zijlstra wrote:
On Wed, Apr 13, 2016 at 04:59:20PM -0400, Waiman Long wrote:
Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
to help the porting of pvqspinlock to PPC. The new argument will can
potentially help hypervisor expediate the execution
On 04/13/2016 08:21 PM, Peter Zijlstra wrote:
On Wed, Apr 13, 2016 at 04:59:20PM -0400, Waiman Long wrote:
Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
to help the porting of pvqspinlock to PPC. The new argument will can
potentially help hypervisor expediate the execution
On Wed, Apr 13, 2016 at 04:59:20PM -0400, Waiman Long wrote:
> Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
> to help the porting of pvqspinlock to PPC. The new argument will can
> potentially help hypervisor expediate the execution of the critical
> section so that the lock
On Wed, Apr 13, 2016 at 04:59:20PM -0400, Waiman Long wrote:
> Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
> to help the porting of pvqspinlock to PPC. The new argument will can
> potentially help hypervisor expediate the execution of the critical
> section so that the lock
Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
to help the porting of pvqspinlock to PPC. The new argument will can
potentially help hypervisor expediate the execution of the critical
section so that the lock holder vCPU can release the lock sooner.
This patch does just that by
Pan Xinhui was asking for a lock holder cpu argument in pv_wait()
to help the porting of pvqspinlock to PPC. The new argument will can
potentially help hypervisor expediate the execution of the critical
section so that the lock holder vCPU can release the lock sooner.
This patch does just that by
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