Re: [PATCH v10 12/13] KVM: PPC: Add support for IOMMU in-kernel handling

2013-09-08 Thread Gleb Natapov
On Fri, Sep 06, 2013 at 08:40:26PM +1000, Alexey Kardashevskiy wrote: This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT and H_STUFF_TCE requests targeted an IOMMU TCE table without passing them to user space which saves time on switching to user space and back. Both real

Re: [PATCH v4 12/19] cpufreq: cpufreq-cpu0: remove device tree parsing for cpu nodes

2013-09-08 Thread Guennadi Liakhovetski
Hi On Tue, 20 Aug 2013, Sudeep KarkadaNagesha wrote: From: Sudeep KarkadaNagesha sudeep.karkadanage...@arm.com Now that the cpu device registration initialises the of_node(if available) appropriately for all the cpus, parsing here is redundant. This patch removes all DT parsing and uses

powerpc allmodconfig build broken due to commit 15863ff3b (powerpc: Make chip-id information available to userspace)

2013-09-08 Thread Guenter Roeck
Hi all, powerpc allmodconfig build on the latest upstream kernel results in: ERROR: .cpu_to_chip_id [drivers/block/mtip32xx/mtip32xx.ko] undefined! This is due to commit 15863ff3b (powerpc: Make chip-id information available to userspace). Not surprising, as cpu_to_chip_id() is not exported.

Re: [PATCH] powerpc: OE=1 Form Instructions Not Decoded Correctly

2013-09-08 Thread Paul Mackerras
On Fri, Sep 06, 2013 at 10:13:00AM -0500, Tom Musta wrote: To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH] powerpc: OE=1 Form Instructions Not Decoded Correctly From: Tom Musta tommu...@gmail.com PowerISA uses instruction bit 21 to indicate that the overflow (OV) bit of the XER is to be

RE: [PATCH V2] powerpc: Add I2C bus multiplexer node for B4 and T4240QDS

2013-09-08 Thread Jia Hongtao-B38951
Great thanks. I will update the patch and send it soon. -Hongtao -Original Message- From: Linuxppc-dev [mailto:linuxppc-dev- bounces+b38951=freescale@lists.ozlabs.org] On Behalf Of Kumar Gala Sent: Saturday, September 07, 2013 12:10 AM To: Jia Hongtao-B38951 Cc: Wood

[PATCH V3] powerpc: Add I2C bus multiplexer node for B4 and T4240QDS

2013-09-08 Thread Jia Hongtao
In both B4 and T4240QDS platform PCA9547 I2C bus multiplexer is used. The sub-nodes are also reorganized according to right I2C topology. Signed-off-by: Jia Hongtao hongtao@freescale.com --- V3 change log: * change channel to i2c based on i2c-mux binding. V2 change log: * Reorganized the

RE: [PATCH V3 2/2] powerpc/85xx: Add TWR-P1025 board support

2013-09-08 Thread Liu Shengzhou-B36685
Xiaobo, You can use interrupts = 1 1 0 0 instead of interrupts = 1 1 with test on P1025twr. It was mislead by hardware issue on p1010rdb-pb board. Regards, Shengzhou -Original Message- From: Linuxppc-dev [mailto:linuxppc-dev- bounces+shengzhou.liu=freescale@lists.ozlabs.org] On

Re: [RFC PATCH v3 03/12] powerpc/book3s: handle machine check in Linux host.

2013-09-08 Thread Paul Mackerras
On Tue, Aug 27, 2013 at 01:01:40AM +0530, Mahesh J Salgaonkar wrote: From: Mahesh Salgaonkar mah...@linux.vnet.ibm.com Move machine check entry point into Linux. So far we were dependent on firmware to decode MCE error details and handover the high level info to OS. This patch introduces

Re: [RFC PATCH v3 02/12] powerpc/book3s: Introduce exclusive emergency stack for machine check exception.

2013-09-08 Thread Paul Mackerras
On Tue, Aug 27, 2013 at 01:01:32AM +0530, Mahesh J Salgaonkar wrote: From: Mahesh Salgaonkar mah...@linux.vnet.ibm.com This patch introduces exclusive emergency stack for machine check exception. We use emergency stack to handle machine check exception so that we can save MCE information

Re: [RFC PATCH v3 01/12] powerpc/book3s: Split the common exception prolog logic into two section.

2013-09-08 Thread Paul Mackerras
On Tue, Aug 27, 2013 at 01:01:24AM +0530, Mahesh J Salgaonkar wrote: From: Mahesh Salgaonkar mah...@linux.vnet.ibm.com This patch splits the common exception prolog logic into two parts to facilitate reuse of existing code in the next patch. The second part will be reused in the machine