[RFC PATCH 1/2] KVM: PPC: divide the ics lock into smaller ones for each irq

2016-05-15 Thread Li Zhong
This patch tries to use smaller locks for each irq in the ics, instead of a lock at the ics level, to provide better scalability. Signed-off-by: Li Zhong --- arch/powerpc/kvm/book3s_hv_rm_xics.c | 24 ++--- arch/powerpc/kvm/book3s_xics.c | 41 +++

Re: ppc64 sbrk returns executable heap in 32-bit emulation mode

2016-05-15 Thread Alan Modra
On Thu, May 12, 2016 at 03:41:09PM +0200, Florian Weimer wrote: > We noticed that on ppc64, the sbrk system call in the 32-bit subsystem > returns executable memory. I assume it is related to this, in > arch/powerpc/include/asm/page.h: > > /* > * Unfortunately the PLT is in the BSS in the PPC

Re: udgb on fsl booke?

2016-05-15 Thread Scott Wood
On Mon, 2016-05-16 at 11:40 +1000, Michael Ellerman wrote: > On Fri, 2016-05-13 at 17:41 -0700, Daniel Walker wrote: > > > Hi, > > > > I noticed that udbg is missing for fsl booke , or at least it doesn't > > appear to be implemented. I don't know a great deal about fsl book. I'm > > working on

Re: udgb on fsl booke?

2016-05-15 Thread Michael Ellerman
On Fri, 2016-05-13 at 17:41 -0700, Daniel Walker wrote: > Hi, > > I noticed that udbg is missing for fsl booke , or at least it doesn't > appear to be implemented. I don't know a great deal about fsl book. I'm > working on an MCP85XX at the moment , and I was looking into the udbg > system to

Re: [2/3] driver/memory: Update dependency of IFC for Layerscape

2016-05-15 Thread Scott Wood
On Mon, Feb 01, 2016 at 04:16:37PM +0530, Raghav Dogra wrote: > IFC NAND is not working on ARM layescape platform due to > undefined macro FSL_SOC. > This patch fixes the dependency to enable NAND. > > Signed-off-by: Raghav Dogra > --- > drivers/memory/Kconfig | 2 +- > drivers/memory/fsl_ifc.