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Message-ID: <20230524221147.5791ba3a@kernel.org> Date: Wed, 24 May 2023 22:11:47 -0700 From: Jakub Kicinski <kuba@...nel.org> To: Linus Walleij <linus.walleij@...aro.org> Cc: Wei Liu <wei.liu@...nel.org>, Paul Durrant <paul@....org>, xen-devel@...ts.xenproject.org, netdev@...r.kernel.org Subject: Re: [PATCH] xen/netback: Pass (void *) to virt_to_page() On Tue, 23 May 2023 16:03:42 +0200 Linus Walleij wrote: > virt_to_page() takes a virtual address as argument but > the driver passes an unsigned long, which works because > the target platform(s) uses polymorphic macros to calculate > the page. > > 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 by an explicit (void *) cast. Paul, Wei, looks like netdev may be the usual path for this patch to flow thru, although I'm never 100% sure with Xen. Please ack or LUK if you prefer to direct the patch elsewhere?
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