From: Greentime Hu <greentime.hu@sifive.com>
To: Atish Patra <atish.patra@wdc.com>
Cc: David Hildenbrand <david@redhat.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Zong Li <zong.li@sifive.com>,
linux-riscv <linux-riscv@lists.infradead.org>,
Will Deacon <will@kernel.org>,
linux-arch@vger.kernel.org, Jia He <justin.he@arm.com>,
Anup Patel <anup@brainfault.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Steven Price <steven.price@arm.com>,
Bjorn Helgaas <helgaas@kernel.org>,
Albert Ou <aou@eecs.berkeley.edu>, Arnd Bergmann <arnd@arndb.de>,
Anshuman Khandual <anshuman.khandual@arm.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Mike Rapoport <rppt@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: Re: [RFC/RFT PATCH v2 3/5] riscv: Separate memory init from paging init
Date: Sat, 12 Sep 2020 10:10:09 +0800 [thread overview]
Message-ID: <CAHCEehJqV1aBQjWCB1b=r+aQmkMmQnx1ynYzHgCW92NNntZrfg@mail.gmail.com> (raw)
In-Reply-To: <20200912013441.9730-4-atish.patra@wdc.com>
Atish Patra <atish.patra@wdc.com> 於 2020年9月12日 週六 上午9:34寫道:
>
> Currently, we perform some memory init functions in paging init. But,
> that will be an issue for NUMA support where DT needs to be flattened
> before numa initialization and memblock_present can only be called
> after numa initialization.
>
> Move memory initialization related functions to a separate function.
>
> Signed-off-by: Atish Patra <atish.patra@wdc.com>
> ---
> arch/riscv/include/asm/pgtable.h | 1 +
> arch/riscv/kernel/setup.c | 1 +
> arch/riscv/mm/init.c | 6 +++++-
> 3 files changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
> index eaea1f717010..515b42f98d34 100644
> --- a/arch/riscv/include/asm/pgtable.h
> +++ b/arch/riscv/include/asm/pgtable.h
> @@ -466,6 +466,7 @@ static inline void __kernel_map_pages(struct page *page, int numpages, int enabl
> extern void *dtb_early_va;
> void setup_bootmem(void);
> void paging_init(void);
> +void misc_mem_init(void);
>
> #define FIRST_USER_ADDRESS 0
>
> diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
> index 2c6dd329312b..07fa6d13367e 100644
> --- a/arch/riscv/kernel/setup.c
> +++ b/arch/riscv/kernel/setup.c
> @@ -78,6 +78,7 @@ void __init setup_arch(char **cmdline_p)
> #else
> unflatten_device_tree();
> #endif
> + misc_mem_init();
>
> #ifdef CONFIG_SWIOTLB
> swiotlb_init(1);
> diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
> index 188281fc2816..8f31a5428ce4 100644
> --- a/arch/riscv/mm/init.c
> +++ b/arch/riscv/mm/init.c
> @@ -568,8 +568,12 @@ static void __init resource_init(void)
> void __init paging_init(void)
> {
> setup_vm_final();
> - sparse_init();
> setup_zero_page();
> +}
> +
> +void __init misc_mem_init(void)
> +{
> + sparse_init();
> zone_sizes_init();
> resource_init();
> }
Thank you, Atish.
Reviewed-by: Greentime Hu <greentime.hu@sifive.com>
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next prev parent reply other threads:[~2020-09-12 2:10 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-12 1:34 [RFC/RFT PATCH v2 0/5] Unify NUMA implementation between ARM64 & RISC-V Atish Patra
2020-09-12 1:34 ` [RFC/RFT PATCH v2 1/5] numa: Move numa implementation to common code Atish Patra
2020-09-14 14:21 ` Jonathan Cameron
2020-09-12 1:34 ` [RFC/RFT PATCH v2 2/5] arm64, numa: Change the numa init function name to be generic Atish Patra
2020-09-14 14:30 ` Jonathan Cameron
2020-09-14 19:32 ` Atish Patra
2020-09-15 8:27 ` Jonathan Cameron
2020-09-12 1:34 ` [RFC/RFT PATCH v2 3/5] riscv: Separate memory init from paging init Atish Patra
2020-09-12 2:10 ` Greentime Hu [this message]
2020-09-12 1:34 ` [RFC/RFT PATCH v2 4/5] riscv: Add support pte_protnone and pmd_protnone if CONFIG_NUMA_BALANCING Atish Patra
2020-09-12 1:34 ` [RFC/RFT PATCH v2 5/5] riscv: Add numa support for riscv64 platform Atish Patra
2020-09-14 8:04 ` [RFC/RFT PATCH v2 0/5] Unify NUMA implementation between ARM64 & RISC-V Jonathan Cameron
2020-09-14 19:33 ` Atish Patra
2020-09-18 16:05 ` Jonathan Cameron
2020-09-18 19:18 ` Atish Patra
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