lkml.org 
[lkml]   [2020]   [Oct]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [RESEND v2 0/2] Modularize RPMH driver
From
Date
Hi Bjorn,

Can you please pick these changes.

Thanks,
Maulik

On 10/5/2020 11:29 AM, Maulik Shah wrote:
> Resending the patches rebasing on top of latest linux-next (next-20201002)
>
> Changes in v2:
> - Update commit message in patch 1
> - send [4] again instead of revert's revert in patch 2.
>
> This series is to modularize RPMH driver
>
> The tracepoint in RPMH driver was changed to _rcuidle variant based on the
> test results of unmerged series [1] where .power_off callback from genpd
> reported RCU warnings.
>
> The series which finally got merged [2] uses CPU PM notifications
> and genpd .power_off callback is not implemented in RPMH driver to invoke
> rpmh_flush(). The CPU PM notifications are done with RCU non idle in kernel
> (see cpu_pm_notify() uses rcu_irq_enter_irqson() before notifications)
>
> However using _rcuidle variant prevented RPMH driver to compile as module
> since these _rcuidle are not exported symbols for tracepoints.
>
> This seris reverts the change [3] to remove _rcuidle variant for tracepoint
> as its no more valid test case (genpd .power_off is not implemented)
> and bring backs the change [4] that was reverted due to _rcuidle preventing
> to become modular.
>
> [1] https://patchwork.kernel.org/project/linux-arm-msm/list/?series=243931
> [2] https://patchwork.kernel.org/project/linux-arm-msm/list/?series=269733
> [3] https://lore.kernel.org/r/20200115013751.249588-1-swboyd@chromium.org
> [4] https://lore.kernel.org/r/20200326224459.105170-3-john.stultz@linaro.org
>
> John Stultz (1):
> soc: qcom: rpmh: Allow RPMH driver to be loaded as a module
>
> Maulik Shah (1):
> Revert "drivers: qcom: rpmh-rsc: Use rcuidle tracepoints for rpmh"
>
> drivers/soc/qcom/Kconfig | 2 +-
> drivers/soc/qcom/rpmh-rsc.c | 7 ++++++-
> 2 files changed, 7 insertions(+), 2 deletions(-)
>
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation

\
 
 \ /
  Last update: 2020-10-19 09:27    [W:0.063 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site