On 2016年06月07日 05:41, Benjamin Herrenschmidt wrote:
On Mon, 2016-06-06 at 17:59 +0200, Peter Zijlstra wrote:
On Fri, Jun 03, 2016 at 02:33:47PM +1000, Benjamin Herrenschmidt wrote:
- For the above, can you show (or describe) where the qspinlock
improves things compared to our current l
On Mon, 2016-06-06 at 17:59 +0200, Peter Zijlstra wrote:
> On Fri, Jun 03, 2016 at 02:33:47PM +1000, Benjamin Herrenschmidt wrote:
> >
> > - For the above, can you show (or describe) where the qspinlock
> > improves things compared to our current locks.
> So currently PPC has a fairly straight
On Fri, Jun 03, 2016 at 02:33:47PM +1000, Benjamin Herrenschmidt wrote:
> - For the above, can you show (or describe) where the qspinlock
> improves things compared to our current locks.
So currently PPC has a fairly straight forward test-and-set spinlock
IIRC. You have this because LPAR/virt
On 2016年06月03日 12:33, Benjamin Herrenschmidt wrote:
On Fri, 2016-06-03 at 12:10 +0800, xinhui wrote:
On 2016年06月03日 09:32, Benjamin Herrenschmidt wrote:
On Fri, 2016-06-03 at 11:32 +1000, Benjamin Herrenschmidt wrote:
On Thu, 2016-06-02 at 17:22 +0800, Pan Xinhui wrote:
Base code to enable
On Fri, 2016-06-03 at 12:10 +0800, xinhui wrote:
> On 2016年06月03日 09:32, Benjamin Herrenschmidt wrote:
> > On Fri, 2016-06-03 at 11:32 +1000, Benjamin Herrenschmidt wrote:
> >> On Thu, 2016-06-02 at 17:22 +0800, Pan Xinhui wrote:
> >>>
> >>> Base code to enable qspinlock on powerpc. this patch add
On 2016年06月03日 09:32, Benjamin Herrenschmidt wrote:
On Fri, 2016-06-03 at 11:32 +1000, Benjamin Herrenschmidt wrote:
On Thu, 2016-06-02 at 17:22 +0800, Pan Xinhui wrote:
Base code to enable qspinlock on powerpc. this patch add some
#ifdef
here and there. Although there is no paravirt related
On Fri, 2016-06-03 at 11:32 +1000, Benjamin Herrenschmidt wrote:
> On Thu, 2016-06-02 at 17:22 +0800, Pan Xinhui wrote:
> >
> > Base code to enable qspinlock on powerpc. this patch add some
> > #ifdef
> > here and there. Although there is no paravirt related code, we can
> > successfully build a q
On Thu, 2016-06-02 at 17:22 +0800, Pan Xinhui wrote:
> Base code to enable qspinlock on powerpc. this patch add some #ifdef
> here and there. Although there is no paravirt related code, we can
> successfully build a qspinlock kernel after apply this patch.
This is missing the IO_SYNC stuff ... It
Base code to enable qspinlock on powerpc. this patch add some #ifdef
here and there. Although there is no paravirt related code, we can
successfully build a qspinlock kernel after apply this patch.
Signed-off-by: Pan Xinhui
---
arch/powerpc/include/asm/qspinlock.h | 26 +
Base code to enable qspinlock on powerpc. this patch add some #ifdef
here and there. Although there is no paravirt related code, we can
successfully build a qspinlock kernel after apply this patch.
Signed-off-by: Pan Xinhui
---
arch/powerpc/include/asm/qspinlock.h | 26 +
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