On Wed, 2007-10-17 at 18:26 -0700, Stephen Hemminger wrote:
>
> Could you give a concrete example as to why it needs a smp barrier?
> The test_bit is going to get a consistent result. Are you worried about
> operations ordering before the test_bit()? In that case, one of those
> smp_mb__before_xx
On Thu, 18 Oct 2007 10:28:09 +1000
Benjamin Herrenschmidt <[EMAIL PROTECTED]> wrote:
>
> On Wed, 2007-10-17 at 13:26 -0700, Stephen Hemminger wrote:
> > plain text document attachment (napi-synchronize.patch)
> > Some drivers with shared NAPI need a synchronization barrier.
> > Also suggested by
On Wed, 2007-10-17 at 13:26 -0700, Stephen Hemminger wrote:
> plain text document attachment (napi-synchronize.patch)
> Some drivers with shared NAPI need a synchronization barrier.
> Also suggested by Benjamin Herrenschmidt for EMAC.
>
> Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
Just
applied 1-2
-
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Some drivers with shared NAPI need a synchronization barrier.
Also suggested by Benjamin Herrenschmidt for EMAC.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
--- a/include/linux/netdevice.h 2007-10-17 08:45:32.0 -0700
+++ b/include/linux/netdevice.h 2007-10-17 08:47:54.0 -
