While bolted handlers (including e6500) do not need to deal with a TLB
miss recursively causing another TLB miss, nested TLB misses can still
happen with crit/mc/debug exceptions -- so we still need to honor
SPRG_TLB_EXFRAME.
We don't need to spend time modifying it in the TLB miss fastpath,
thoug
> -Original Message-
> From: Wood Scott-B07421
> Sent: Friday, March 14, 2014 2:01 AM
> To: Benjamin Herrenschmidt
> Cc: linuxppc-dev@lists.ozlabs.org; Kumar Gala; Tiejun Chen; Wood Scott-
> B07421; Caraman Mihai Claudiu-B02008; Anton Blanchard; Paul Mackerras;
> kvm-...@vger.kernel.org
> S
On Fri, Mar 14, 2014 at 06:18:27PM -0500, Scott Wood wrote:
> On Wed, 2014-03-12 at 18:40 +0800, Chenhui Zhao wrote:
> > On Tue, Mar 11, 2014 at 08:10:24PM -0500, Scott Wood wrote:
> > > On Fri, 2014-03-07 at 12:58 +0800, Chenhui Zhao wrote:
> > > > From: Zhao Chenhui
> > > >
> > > > T1040 suppor
On Fri, Mar 14, 2014 at 06:01:45PM -0500, Scott Wood wrote:
> On Wed, 2014-03-12 at 17:42 +0800, Chenhui Zhao wrote:
> > On Tue, Mar 11, 2014 at 07:45:14PM -0500, Scott Wood wrote:
> > > On Fri, 2014-03-07 at 12:58 +0800, Chenhui Zhao wrote:
> > > > From: Wang Dongsheng
> > > >
> > > > Add booke_
On Fri, Mar 14, 2014 at 05:51:09PM -0500, Scott Wood wrote:
> On Wed, 2014-03-12 at 16:34 +0800, Chenhui Zhao wrote:
> > On Tue, Mar 11, 2014 at 07:08:43PM -0500, Scott Wood wrote:
> > > On Fri, 2014-03-07 at 12:58 +0800, Chenhui Zhao wrote:
> > > > From: Hongbo Zhang
> > > >
> > > > In the last
On Fri, Mar 14, 2014 at 05:41:41PM -0500, Scott Wood wrote:
> On Wed, 2014-03-12 at 15:46 +0800, Chenhui Zhao wrote:
> > On Tue, Mar 11, 2014 at 06:51:20PM -0500, Scott Wood wrote:
> > > On Fri, 2014-03-07 at 12:58 +0800, Chenhui Zhao wrote:
> > > > In 64-bit mode, kernel just clears the irq soft-e
On 03/10/2014 04:41 PM, Gautham R. Shenoy wrote:
> From: "Gautham R. Shenoy"
>
> The current frequency of a cpu is reported through the sysfs file
> cpuinfo_cur_freq. This requires the driver to implement a
> "->get(unsigned int cpu)" method which will return the current
> operating frequency.
>
On 03/10/2014 04:40 PM, Gautham R. Shenoy wrote:
> From: "Gautham R. Shenoy"
>
> Create a helper routine that can return the cpu-frequency for the
> corresponding pstate_id.
>
> Also, cache the values of the pstate_max, pstate_min and
> pstate_nominal and nr_pstates in a static structure so that
On 03/10/2014 04:40 PM, Gautham R. Shenoy wrote:
> From: "Srivatsa S. Bhat"
>
> On POWER systems, the CPU frequency is controlled at a core-level and
> hence we need to serialize so that only one of the threads in the core
> switches the core's frequency at a time.
>
> Using a global mutex lock
Hi all,
Today's linux-next merge of the powernv-cpuidle tree got a conflict in
arch/powerpc/platforms/powernv/opal-wrappers.S between commit
c7e64b9ce04a ("powerpc/powernv Platform dump interface") from the powerpc
tree and commit 97eb001f0349 ("powerpc/powernv: Add OPAL call to resync
timebase on
Hi all,
Today's linux-next merge of the powernv-cpuidle tree got a conflict in
arch/powerpc/include/asm/opal.h between commit c7e64b9ce04a
("powerpc/powernv Platform dump interface") from the powerpc tree and
commit 97eb001f0349 ("powerpc/powernv: Add OPAL call to resync timebase
on wakeup") from
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