linux-kernel - Re: [PATCH 08/12] arm64: vdso: Pass (void *) to virt_to

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Date:   Fri, 12 May 2023 11:43:52 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Vineet Gupta <vgupta@...nel.org>,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Russell King <linux@...linux.org.uk>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        linux-kernel@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
        linux-snps-arc@...ts.infradead.org, linux-fsdevel@...r.kernel.org,
        linux-cifs@...r.kernel.org, samba-technical@...ts.samba.org,
        linux-arm-kernel@...ts.infradead.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 08/12] arm64: vdso: Pass (void *) to virt_to_page()

On Thu, May 11, 2023 at 01:59:25PM +0200, Linus Walleij wrote:
> Like the other calls in this function virt_to_page() expects
> a pointer, not an integer.
> 
> However since many architectures implement virt_to_pfn() as
> a macro, this function becomes polymorphic and accepts both a
> (unsigned long) and a (void *).
> 
> Fix this up with an explicit cast.
> 
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

Acked-by: Catalin Marinas <catalin.marinas@....com>