From: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
To: Michael Ellerman <mpe@ellerman.id.au>, linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] powerpc/mm: Revert "powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc"
Date: Mon, 22 Mar 2021 09:30:39 +0530 [thread overview]
Message-ID: <27846653-67e9-7516-3730-00651def1942@linux.ibm.com> (raw)
In-Reply-To: <87lfak54lx.fsf@mpe.ellerman.id.au>
On 3/19/21 6:42 AM, Michael Ellerman wrote:
> "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com> writes:
>> This reverts commit 675bceb097e6 ("powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc")
>>
>> All the related issues are fixed by the series
>> https://lore.kernel.org/linux-mm/20200902114222.181353-1-aneesh.kumar@linux.ibm.com
>
> Was that series merged?
>
> If so this seems like this could be tagged as a Fix for the last commit
> in that series.
commit f14312e1ed1e ("mm/debug_vm_pgtable: avoid doing memory allocation
with pgtable_t mapped.")
>
> cheers
>
>> Hence enable it back
>>
>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
>> ---
>> Documentation/features/debug/debug-vm-pgtable/arch-support.txt | 2 +-
>> arch/powerpc/Kconfig | 1 +
>> 2 files changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
>> index 7aff505af706..fa83403b4aec 100644
>> --- a/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
>> +++ b/Documentation/features/debug/debug-vm-pgtable/arch-support.txt
>> @@ -21,7 +21,7 @@
>> | nios2: | TODO |
>> | openrisc: | TODO |
>> | parisc: | TODO |
>> - | powerpc: | TODO |
>> + | powerpc: | ok |
>> | riscv: | ok |
>> | s390: | ok |
>> | sh: | TODO |
>> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
>> index 386ae12d8523..982c87d5c051 100644
>> --- a/arch/powerpc/Kconfig
>> +++ b/arch/powerpc/Kconfig
>> @@ -119,6 +119,7 @@ config PPC
>> #
>> select ARCH_32BIT_OFF_T if PPC32
>> select ARCH_HAS_DEBUG_VIRTUAL
>> + select ARCH_HAS_DEBUG_VM_PGTABLE
>> select ARCH_HAS_DEVMEM_IS_ALLOWED
>> select ARCH_HAS_ELF_RANDOMIZE
>> select ARCH_HAS_FORTIFY_SOURCE
>> --
>> 2.30.2
next prev parent reply other threads:[~2021-03-22 4:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-18 3:48 [PATCH] powerpc/mm: Revert "powerpc/mm: Remove DEBUG_VM_PGTABLE support on powerpc" Aneesh Kumar K.V
2021-03-19 1:12 ` Michael Ellerman
2021-03-22 4:00 ` Aneesh Kumar K.V [this message]
2021-04-10 14:28 ` Michael Ellerman
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