Re: RCU stall on panda

2014-05-22 Thread Alex Shi
On 05/16/2014 09:37 PM, Santosh Shilimkar wrote: On Friday 16 May 2014 03:41 AM, Alex Shi wrote: On 05/16/2014 02:36 AM, Santosh Shilimkar wrote: yes. My board is panda ES. without this revert, it works. Care to specify what linux version you are testing against? Does it hang in idle

Re: RCU stall on panda

2014-05-16 Thread Alex Shi
On 05/16/2014 02:36 AM, Santosh Shilimkar wrote: yes. My board is panda ES. without this revert, it works. Care to specify what linux version you are testing against? Does it hang in idle always immediately on booting? Or does the serial console first hang with sysrq still

Re: RCU stall on panda

2014-05-15 Thread Alex Shi
On 05/13/2014 11:32 PM, Tony Lindgren wrote: * Alex Shi alex@linaro.org [140512 23:37]: On 05/13/2014 05:21 AM, Tony Lindgren wrote: * Paul E. McKenney paul...@linux.vnet.ibm.com [140505 11:11]: On Mon, May 05, 2014 at 05:39:43PM +0800, Alex Shi wrote: I keep seeing the RCU stall problem

Re: RCU stall on panda

2014-05-15 Thread Alex Shi
On 05/15/2014 05:05 PM, Daniel Lezcano wrote: After enable this patch, system maybe hang in idle. :( Hi Alex, do you mean even with this revert applied, the board hangs in idle ? yes. My board is panda ES. without this revert, it works. -- Thanks Alex -- To unsubscribe from this

Re: [PATCH] ARM: OMAP4: Fix the boot regression with CPU_IDLE enabled

2014-05-15 Thread Alex Shi
On 05/16/2014 02:29 AM, Santosh Shilimkar wrote: Alex, Please give a try with your test-case and see if you still see the hang. Am just curious about your issue and hence the request.. there is no test case. I just patched your patches, then boot new kernel, system quickly to hang without any

Re: RCU stall on panda

2014-05-13 Thread Alex Shi
On 05/13/2014 05:21 AM, Tony Lindgren wrote: * Paul E. McKenney paul...@linux.vnet.ibm.com [140505 11:11]: On Mon, May 05, 2014 at 05:39:43PM +0800, Alex Shi wrote: I keep seeing the RCU stall problem on panda board from 3.10 kernel to latest upstream kernel and google find some one report

[PATCH 09/19] arm: dts: add omap4 CPU thermal data

2014-03-25 Thread Alex Shi
0bbf6c54d100836db40ba020b7c9793ea3e6be0b) Signed-off-by: Alex Shi alex@linaro.org --- arch/arm/boot/dts/omap4-cpu-thermal.dtsi | 41 1 file changed, 41 insertions(+) create mode 100644 arch/arm/boot/dts/omap4-cpu-thermal.dtsi diff --git a/arch/arm/boot/dts/omap4-cpu-thermal.dtsi b/arch/arm

[PATCH 12/19] arm: dts: add omap5 GPU thermal data

2014-03-25 Thread Alex Shi
: devicet...@vger.kernel.org Cc: linux-arm-ker...@lists.infradead.org Cc: linux-ker...@vger.kernel.org Signed-off-by: Eduardo Valentin eduardo.valen...@ti.com (cherry picked from commit 28c90169f1d5eabf503e356c76bf49a67aef4cc0) Signed-off-by: Alex Shi alex@linaro.org --- arch/arm/boot/dts/omap5

[PATCH 11/19] arm: dts: add cooling properties on omap4460 cpu node

2014-03-25 Thread Alex Shi
@vger.kernel.org Cc: devicet...@vger.kernel.org Cc: linux-arm-ker...@lists.infradead.org Cc: linux-ker...@vger.kernel.org Signed-off-by: Eduardo Valentin eduardo.valen...@ti.com (cherry picked from commit 616a66351d6cd4a9bdb20fe49ee2505d9cc8a0db) Signed-off-by: Alex Shi alex@linaro.org --- arch/arm

[PATCH 13/19] arm: dts: add omap5 CORE thermal data

2014-03-25 Thread Alex Shi
: devicet...@vger.kernel.org Cc: linux-arm-ker...@lists.infradead.org Cc: linux-ker...@vger.kernel.org Signed-off-by: Eduardo Valentin eduardo.valen...@ti.com (cherry picked from commit dcb5004fceeb15f0fdfc4a2b8cd68c6ad515a80b) Signed-off-by: Alex Shi alex@linaro.org --- arch/arm/boot/dts

[PATCH 10/19] arm: dts: add cooling properties on omap4430 cpu node

2014-03-25 Thread Alex Shi
picked from commit 72af5e6d0c3e01655c1c1fc7c7ca94a2b663611e) Signed-off-by: Alex Shi alex@linaro.org --- arch/arm/boot/dts/omap443x.dtsi | 5 + 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index cccf39a..d2deba0 100644

Re: [PATCH v8 8/8] x86/tlb: do flush_tlb_kernel_range by 'invlpg'

2012-06-20 Thread Alex Shi
On 06/14/2012 09:26 AM, Alex Shi wrote: On 06/14/2012 09:10 AM, Alex Shi wrote: On 06/13/2012 10:56 PM, Andi Kleen wrote: On Tue, Jun 12, 2012 at 05:06:45PM +0800, Alex Shi wrote: This patch do flush_tlb_kernel_range by 'invlpg'. The performance pay and gain was analysed in my patch (x86

Re: [PATCH v8 8/8] x86/tlb: do flush_tlb_kernel_range by 'invlpg'

2012-06-13 Thread Alex Shi
On 06/14/2012 09:10 AM, Alex Shi wrote: On 06/13/2012 10:56 PM, Andi Kleen wrote: On Tue, Jun 12, 2012 at 05:06:45PM +0800, Alex Shi wrote: This patch do flush_tlb_kernel_range by 'invlpg'. The performance pay and gain was analysed in my patch (x86/flush_tlb: try flush_tlb_single one

Re: [PATCH v8 8/8] x86/tlb: do flush_tlb_kernel_range by 'invlpg'

2012-06-13 Thread Alex Shi
On 06/14/2012 09:26 AM, Alex Shi wrote: On 06/14/2012 09:10 AM, Alex Shi wrote: On 06/13/2012 10:56 PM, Andi Kleen wrote: On Tue, Jun 12, 2012 at 05:06:45PM +0800, Alex Shi wrote: This patch do flush_tlb_kernel_range by 'invlpg'. The performance pay and gain was analysed in my patch (x86