liams, Mitch A
> > ; linux-ker...@vger.kernel.org;
> > john.ronc...@intel.com; intel-wired-...@lists.osuosl.org;
> > netdev@vger.kernel.org
> > Subject: Re: [Intel-wired-lan] [PATCH] e1000e: changed some expensive calls
> > of udelay to usleep_range
> >
> > Hi!
> >
ntel.com; intel-wired-...@lists.osuosl.org;
> netdev@vger.kernel.org
> Subject: Re: [Intel-wired-lan] [PATCH] e1000e: changed some expensive calls
> of udelay to usleep_range
>
> Hi!
>
> > @@ -183,7 +183,7 @@ s32 e1000e_read_phy_reg_mdic(struct e1000_hw
> *hw, u32 offset, u16 *data)
&g
Dear Matthew,
On 08/23/17 17:59, Matthew Tan wrote:
Calls to udelay are not preemtable by userspace so userspace
applications experience a large (~200us) latency when running on core
0. Instead usleep_range can be used to be more friendly to userspace
since it is preemtable.
On 8/23/2017 18:59, Matthew Tan wrote:
Calls to udelay are not preemtable by userspace so userspace
applications experience a large (~200us) latency when running on core
0. Instead usleep_range can be used to be more friendly to userspace
since it is preemtable. This is due to