From: Ingo Molnar <mingo@kernel.org>
To: Alexandre Ghiti <alex@ghiti.fr>
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 16:42:30 +0200 [thread overview]
Message-ID: <20190526144230.GA13220@gmail.com> (raw)
In-Reply-To: <20190526125038.8419-2-alex@ghiti.fr>
* 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,
Ingo
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next prev parent reply other threads:[~2019-05-26 14:42 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 [this message]
2019-05-26 16:08 ` Alex Ghiti
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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