linux-kernel - Re: [GIT PULL] Hisilicon fixes for v5.2

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Date:   Tue, 25 Jun 2019 11:44:23 +0100
From:   John Garry <john.garry@...wei.com>
To:     Wei Xu <xuwei5@...ilicon.com>, <arm@...nel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Olof Johansson <olof@...om.net>, <arnd@...db.de>
CC:     <linuxarm@...wei.com>, "xuwei (O)" <xuwei5@...wei.com>,
        <bhelgaas@...gle.com>, <linux-pci@...r.kernel.org>,
        <rjw@...ysocki.net>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Zhangyi ac <zhangyi.ac@...wei.com>,
        "Liguozhu (Kenneth)" <liguozhu@...ilicon.com>,
        <jinying@...ilicon.com>, huangdaode <huangdaode@...ilicon.com>,
        Tangkunshan <tangkunshan@...wei.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Shameerali Kolothum Thodi 
        <shameerali.kolothum.thodi@...wei.com>,
        Shiju Jose <shiju.jose@...wei.com>,
        Salil Mehta <salil.mehta@...wei.com>
Subject: Re: [GIT PULL] Hisilicon fixes for v5.2

On 25/06/2019 11:39, Wei Xu wrote:
> Hi ARM-SoC team,
>
> Sorry, I forgot to mention that one or two patches in this patch set
> are not pure fix.
> We are also OK to queue for v5.3.
> Thanks!
>

Yes, specifically patch "lib: logic_pio: Enforce LOGIC_PIO_INDIRECT 
region ops are set at registration" is a minor tidy/optimisation.

Others are fixes or required for fixes.

And adding for v5.3 is fine, then we can ensure that the necessary is 
backported to stable when in mainline.

Thanks,
John

> Best Regards,
> Wei
>
> On 6/25/2019 11:23 AM, Wei Xu wrote:
>> Hi ARM-SoC team,
>>
>> Please consider to pull the following changes.
>> Thanks!
>>
>> Best Regards,
>> Wei
>>
>> ---
>>
>> The following changes since commit a188339ca5a396acc588e5851ed7e19f66b0ebd9:
>>
>>   Linux 5.2-rc1 (2019-05-19 15:47:09 -0700)
>>
>> are available in the Git repository at:
>>
>>   git://github.com/hisilicon/linux-hisi.git tags/hisi-fixes-for-5.2
>>
>> for you to fetch changes up to 07c811af1c00d7b4212eac86900b023b6405a954:
>>
>>   lib: logic_pio: Enforce LOGIC_PIO_INDIRECT region ops are set at registration (2019-06-25 09:40:42 +0100)
>>
>> ----------------------------------------------------------------
>> Hisilicon fixes for v5.2-rc
>>
>> - fixed RCU usage in logical PIO
>> - Added a function to unregister a logical PIO range in logical PIO
>>   to support the fixes in the hisi-lpc driver
>> - fixed and optimized hisi-lpc driver to avoid potential use-after-free
>>   and driver unbind crash
>>
>> ----------------------------------------------------------------
>> John Garry (6):
>>       lib: logic_pio: Fix RCU usage
>>       lib: logic_pio: Avoid possible overlap for unregistering regions
>>       lib: logic_pio: Add logic_pio_unregister_range()
>>       bus: hisi_lpc: Unregister logical PIO range to avoid potential use-after-free
>>       bus: hisi_lpc: Add .remove method to avoid driver unbind crash
>>       lib: logic_pio: Enforce LOGIC_PIO_INDIRECT region ops are set at registration
>>
>>  drivers/bus/hisi_lpc.c    | 43 ++++++++++++++++++++----
>>  include/linux/logic_pio.h |  1 +
>>  lib/logic_pio.c           | 86 +++++++++++++++++++++++++++++++++--------------
>>  3 files changed, 99 insertions(+), 31 deletions(-)
>>
>
>
> .
>