Re: [PATCH v9 2/2] pcie-designware platform driver

2016-02-09 Thread kbuild test robot
Hi Joao, [auto build test ERROR on arc/for-next] [cannot apply to pci/next v4.5-rc3 next-20160208] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/Joao-Pinto/PCI-support-added-to-ARC/20160209

RE: [PATCH v3 2/3] clocksource: Add NPS400 timers driver

2016-02-09 Thread Noam Camus
>From: Daniel Lezcano [mailto:daniel.lezc...@linaro.org] >Sent: Monday, February 08, 2016 4:22 PM >> +ret = clk_prepare_enable(clk); >> +if (ret) >> +pr_err("Couldn't enable parent clock\n"); >> + >> +nps_timer_rate = clk_get_rate(clk); >If there is an error, you continue

Re: [PATCH v3 2/3] clocksource: Add NPS400 timers driver

2016-02-09 Thread Daniel Lezcano
On 02/09/2016 01:36 PM, Noam Camus wrote: From: Daniel Lezcano [mailto:daniel.lezc...@linaro.org] Sent: Monday, February 08, 2016 4:22 PM + ret = clk_prepare_enable(clk); +if (ret) + pr_err("Couldn't enable parent clock\n"); + + nps_timer_rate = clk_get_rate(c

Re: [PATCH v3 2/3] clocksource: Add NPS400 timers driver

2016-02-09 Thread Noam Camus
>From: Daniel Lezcano >Sent: Tuesday, February 9, 2016 3:38 PM >Actually I was referring to clk_prepare_enable, clocksource_register_hz. >Agree clk_get_rate is always valid. Thanks for making this clear. Any way as you can see I do call pr_err() in case of error just like most drivers around. By

Re: [PATCH v3 2/3] clocksource: Add NPS400 timers driver

2016-02-09 Thread Daniel Lezcano
On 02/09/2016 10:47 PM, Noam Camus wrote: From: Daniel Lezcano Sent: Tuesday, February 9, 2016 3:38 PM Actually I was referring to clk_prepare_enable, clocksource_register_hz. Agree clk_get_rate is always valid. Thanks for making this clear. Any way as you can see I do call pr_err() in case

Re: [RFC] perf: fix building for ARCv1

2016-02-09 Thread Vineet Gupta
On Friday 05 February 2016 09:40 PM, a...@redhat.com wrote: > Em Fri, Feb 05, 2016 at 11:18:52AM +, Noam Camus escreveu: >> Well here for EZchip I also see the: >> undefined reference to `__sync_add_and_fetch_4' >> undefined reference to `__sync_sub_and_fetch_4' > > Yeah, because there is no:

[PATCH] mm,thp: khugepaged: call pte flush at the time of collapse

2016-02-09 Thread Vineet Gupta
This showed up on ARC when running LMBench bw_mem tests as Overlapping TLB Machine Check Exception triggered due to STLB entry (2M pages) overlapping some NTLB entry (regular 8K page). bw_mem 2m touches a large chunk of vaddr creating NTLB entries. In the interim khugepaged kicks in, collapsing th

Re: [PATCH] mm, thp: khugepaged: call pte flush at the time of collapse

2016-02-09 Thread Aneesh Kumar K.V
Vineet Gupta writes: > This showed up on ARC when running LMBench bw_mem tests as > Overlapping TLB Machine Check Exception triggered due to STLB entry > (2M pages) overlapping some NTLB entry (regular 8K page). > > bw_mem 2m touches a large chunk of vaddr creating NTLB entries. > In the interim

Re: [PATCH] mm,thp: khugepaged: call pte flush at the time of collapse

2016-02-09 Thread Vineet Gupta
On Wednesday 10 February 2016 10:37 AM, Aneesh Kumar K.V wrote: > Vineet Gupta writes: > >> This showed up on ARC when running LMBench bw_mem tests as >> Overlapping TLB Machine Check Exception triggered due to STLB entry >> (2M pages) overlapping some NTLB entry (regular 8K page). >> >> bw_mem 2

[PATCH] mm, thp: fix spellos in describing __HAVE_ARCH_FLUSH_PMD_TLB_RANGE

2016-02-09 Thread Vineet Gupta
Cc: Kirill A. Shutemov Cc: Aneesh Kumar K.V Cc: Andrea Arcangeli Cc: Andrew Morton Cc: Cc: linux-ker...@vger.kernel.org Cc: linux...@kvack.org Signed-off-by: Vineet Gupta --- mm/pgtable-generic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/pgtable-generic.c b/m