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SubjectRe: [GIT PULL] Hisilicon fixes for v5.2
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On 25/06/2019 14:31, John Garry wrote:
> On 25/06/2019 14:03, Olof Johansson wrote:
>>>> 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
>>> >
>>> > Merged to fixes, thanks.
>>
>> This broke arm64 allmodconfig:
>>
>> arm64.allmodconfig:
>> drivers/bus/hisi_lpc.c:656:3: error: implicit declaration of function
>> 'hisi_lpc_acpi_remove'; did you mean 'hisi_lpc_acpi_probe'?
>> [-Werror=implicit-function-declaration]

As an aside, I find it a little strange that arm64 allmodconfig does not
have CONFIG_ACPI set. It used to have it set, and this patch stopped that:

5bcd44083a082f314032969cd6db1eb8275ac77a is the first bad commit
commit 5bcd44083a082f314032969cd6db1eb8275ac77a
Author: AKASHI Takahiro <takahiro.akashi@linaro.org>
Date: Mon Jul 23 10:57:29 2018 +0900

drivers: acpi: add dependency of EFI for arm64

As Ard suggested, CONFIG_ACPI && !CONFIG_EFI doesn't make sense on
arm64,
while CONFIG_ACPI and CONFIG_CPU_BIG_ENDIAN doesn't make sense either.

As CONFIG_EFI already has a dependency of !CONFIG_CPU_BIG_ENDIAN, it is
good enough to add a dependency of CONFIG_EFI to avoid any useless
combination of configuration.

This bug, reported by Will, will be revealed when my patch series,
"arm64: kexec,kdump: fix boot failures on acpi-only system," is applied
and the kernel is built under allmodconfig.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>

That patch stopped many configs being set for allmodconfig.

With this change, CONFIG_EFI is not set. I think that this is because
CONFIG_CPU_BIG_ENDIAN is set for arm64 allmodconfig.

Any opinion on this? Could we change CONFIG_CPU_BIG_ENDIAN to be unset
for arm64?

>>
>>
>
> Uhhh, that's my fault - I didn't provide a stub for !ACPI. Sorry. I'll
> send a fixed v3 series.
>
>>
>> Please build and test your branches before you send pull requests, Wei.
>>
>> I've dropped the branch again; please re-submit when fixed. I think
>> it's probably 5.3 material now.
>>
>
> Thanks,
> John
>
>>
>> -Olof
>>
>> .
>>
>


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