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Message-ID: <7ca43a9f-b62d-26df-0b9c-1cfa2f7dc611@redhat.com>
Date: Wed, 1 Sep 2021 12:11:04 +0200
From: David Hildenbrand <david@...hat.com>
To: Weizhao Ouyang <o451686892@...il.com>, arnd@...db.de,
akpm@...ux-foundation.org
Cc: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-mm@...ck.org
Subject: Re: [PATCH 1/1] mm/early_ioremap.c: remove redundant
early_ioremap_shutdown()
On 01.09.21 10:29, Weizhao Ouyang wrote:
> early_ioremap_reset() reserved a weak function so that architectures can
> provide a specific cleanup. Now no architectures use it, remove this
> redundant function.
>
> Signed-off-by: Weizhao Ouyang <o451686892@...il.com>
> ---
> include/asm-generic/early_ioremap.h | 6 ------
> mm/early_ioremap.c | 5 -----
> 2 files changed, 11 deletions(-)
>
> diff --git a/include/asm-generic/early_ioremap.h b/include/asm-generic/early_ioremap.h
> index 9def22e6e2b3..9d0479f50f97 100644
> --- a/include/asm-generic/early_ioremap.h
> +++ b/include/asm-generic/early_ioremap.h
> @@ -19,12 +19,6 @@ extern void *early_memremap_prot(resource_size_t phys_addr,
> extern void early_iounmap(void __iomem *addr, unsigned long size);
> extern void early_memunmap(void *addr, unsigned long size);
>
> -/*
> - * Weak function called by early_ioremap_reset(). It does nothing, but
> - * architectures may provide their own version to do any needed cleanups.
> - */
> -extern void early_ioremap_shutdown(void);
> -
> #if defined(CONFIG_GENERIC_EARLY_IOREMAP) && defined(CONFIG_MMU)
> /* Arch-specific initialization */
> extern void early_ioremap_init(void);
> diff --git a/mm/early_ioremap.c b/mm/early_ioremap.c
> index 164607c7cdf1..74984c23a87e 100644
> --- a/mm/early_ioremap.c
> +++ b/mm/early_ioremap.c
> @@ -38,13 +38,8 @@ pgprot_t __init __weak early_memremap_pgprot_adjust(resource_size_t phys_addr,
> return prot;
> }
>
> -void __init __weak early_ioremap_shutdown(void)
> -{
> -}
> -
> void __init early_ioremap_reset(void)
> {
> - early_ioremap_shutdown();
> after_paging_init = 1;
> }
>
>
Reviewed-by: David Hildenbrand <david@...hat.com>
--
Thanks,
David / dhildenb
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