linux-kernel - Re: [PATCH 54/56] x86: Remove void casts

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Date:	Wed, 8 Apr 2009 14:18:09 +0200
From:	Bert Wesarg <bert.wesarg@...glemail.com>
To:	Jack Stone <jwjstone@...tmail.fm>
Cc:	linux-kernel@...r.kernel.org, jeff@...zik.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 54/56] x86: Remove void casts

On Wed, Apr 8, 2009 at 13:22, Jack Stone <jwjstone@...tmail.fm> wrote:
> Remove uneeded void casts
>
> Signed-Off-By: Jack Stone <jwjstone@...tmail.fm>
> ---
>  arch/x86/kernel/machine_kexec_64.c |    8 ++++----
>  arch/x86/kernel/microcode_amd.c    |    2 +-
>  arch/x86/mm/fault.c                |    2 +-
>  arch/x86/mm/init_32.c              |    4 ++--
>  arch/x86/mm/init_64.c              |   10 +++++-----
>  arch/x86/mm/pageattr.c             |    4 ++--
>  6 files changed, 15 insertions(+), 15 deletions(-)
>
> diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
> index a03b727..025e4ac 100644
> --- a/arch/x86/mm/fault.c
> +++ b/arch/x86/mm/fault.c
> @@ -368,7 +368,7 @@ void vmalloc_sync_all(void)
>                spin_lock_irqsave(&pgd_lock, flags);
>                list_for_each_entry(page, &pgd_list, lru) {
>                        pgd_t *pgd;
> -                       pgd = (pgd_t *)page_address(page) + pgd_index(address);
> +                       pgd = page_address(page) + pgd_index(address);
Probably wrong again because of math.

>                        if (pgd_none(*pgd))
>                                set_pgd(pgd, *pgd_ref);
>                        else
> diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
> index d71e1b6..55d3c7c 100644
> --- a/arch/x86/mm/pageattr.c
> +++ b/arch/x86/mm/pageattr.c
> @@ -343,7 +343,7 @@ static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte)
>                        pud_t *pud;
>                        pmd_t *pmd;
>
> -                       pgd = (pgd_t *)page_address(page) + pgd_index(address);
> +                       pgd = page_address(page) + pgd_index(address);
Probably wrong again because of math.

>                        pud = pud_offset(pgd, address);
>                        pmd = pmd_offset(pud, address);
>                        set_pte_atomic((pte_t *)pmd, pte);
> --
Bert