From: Alex Ghiti <alex@ghiti.fr>
To: Ingo Molnar <mingo@kernel.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>,
Catalin Marinas <catalin.marinas@arm.com>,
Palmer Dabbelt <palmer@sifive.com>,
Will Deacon <will.deacon@arm.com>,
x86@kernel.org, linux-kernel@vger.kernel.org,
Christoph Hellwig <hch@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
"H . Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
linux-riscv@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
Mike Kravetz <mike.kravetz@oracle.com>
Subject: Re: [PATCH REBASE v2 1/2] x86, arm64: Move ARCH_WANT_HUGE_PMD_SHARE config in arch/Kconfig
Date: Sun, 26 May 2019 12:08:48 -0400 [thread overview]
Message-ID: <2c1c9ad4-257a-faba-7ae0-0eb2dd0d09b3@ghiti.fr> (raw)
In-Reply-To: <20190526144230.GA13220@gmail.com>
On 5/26/19 10:42 AM, Ingo Molnar wrote:
> * Alexandre Ghiti <alex@ghiti.fr> wrote:
>
>> ARCH_WANT_HUGE_PMD_SHARE config was declared in both architectures:
>> move this declaration in arch/Kconfig and make those architectures
>> select it.
>>
>> Signed-off-by: Alexandre Ghiti <alex@ghiti.fr>
>> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
>> ---
>> arch/Kconfig | 3 +++
>> arch/arm64/Kconfig | 2 +-
>> arch/x86/Kconfig | 4 +---
>> 3 files changed, 5 insertions(+), 4 deletions(-)
>>
>> diff --git a/arch/Kconfig b/arch/Kconfig
>> index c47b328eada0..d2f212dc8e72 100644
>> --- a/arch/Kconfig
>> +++ b/arch/Kconfig
>> @@ -577,6 +577,9 @@ config HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
>> config HAVE_ARCH_HUGE_VMAP
>> bool
>>
>> +config ARCH_WANT_HUGE_PMD_SHARE
>> + bool
>> +
>> config HAVE_ARCH_SOFT_DIRTY
>> bool
>>
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index 4780eb7af842..dee7f750c42f 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -70,6 +70,7 @@ config ARM64
>> select ARCH_SUPPORTS_NUMA_BALANCING
>> select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
>> select ARCH_WANT_FRAME_POINTERS
>> + select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
>> select ARCH_HAS_UBSAN_SANITIZE_ALL
>> select ARM_AMBA
>> select ARM_ARCH_TIMER
>> @@ -884,7 +885,6 @@ config SYS_SUPPORTS_HUGETLBFS
>> def_bool y
>>
>> config ARCH_WANT_HUGE_PMD_SHARE
>> - def_bool y if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
>>
>> config ARCH_HAS_CACHE_LINE_SIZE
>> def_bool y
>> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
>> index 2bbbd4d1ba31..fa021ec38803 100644
>> --- a/arch/x86/Kconfig
>> +++ b/arch/x86/Kconfig
>> @@ -93,6 +93,7 @@ config X86
>> select ARCH_USE_QUEUED_SPINLOCKS
>> select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH
>> select ARCH_WANTS_DYNAMIC_TASK_STRUCT
>> + select ARCH_WANT_HUGE_PMD_SHARE
>> select ARCH_WANTS_THP_SWAP if X86_64
>> select BUILDTIME_EXTABLE_SORT
>> select CLKEVT_I8253
>> @@ -301,9 +302,6 @@ config ARCH_HIBERNATION_POSSIBLE
>> config ARCH_SUSPEND_POSSIBLE
>> def_bool y
>>
>> -config ARCH_WANT_HUGE_PMD_SHARE
>> - def_bool y
>> -
>> config ARCH_WANT_GENERAL_HUGETLB
>> def_bool y
> Acked-by: Ingo Molnar <mingo@kernel.org>
Thanks !
Alex
>
> Thanks,
>
> Ingo
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next prev parent reply other threads:[~2019-05-26 16:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-26 12:50 [PATCH REBASE v2 0/2] Hugetlbfs support for riscv Alexandre Ghiti
2019-05-26 12:50 ` [PATCH REBASE v2 1/2] x86, arm64: Move ARCH_WANT_HUGE_PMD_SHARE config in arch/Kconfig Alexandre Ghiti
2019-05-26 14:42 ` Ingo Molnar
2019-05-26 16:08 ` Alex Ghiti [this message]
2019-06-03 17:27 ` Catalin Marinas
2019-07-01 1:58 ` Hanjun Guo
2019-07-01 5:37 ` Alex Ghiti
2019-05-26 12:50 ` [PATCH REBASE v2 2/2] riscv: Introduce huge page support for 32/64bit kernel Alexandre Ghiti
2019-06-13 5:18 ` [PATCH REBASE v2 0/2] Hugetlbfs support for riscv Alex Ghiti
2019-06-30 15:31 ` Alex Ghiti
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