linux-kernel - Re: [PATCH v2] sparc: cacheflush

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Message-ID: <YlIxJWek5a4wB8Jt@gondor.apana.org.au>
Date:   Sun, 10 Apr 2022 09:21:41 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sam Ravnborg <sam@...nborg.org>, sparclinux@...r.kernel.org
Subject: Re: [PATCH v2] sparc: cacheflush_32.h needs struct page

On Sat, Apr 09, 2022 at 08:16:09AM -0700, Randy Dunlap wrote:
> Add a struct page forward declaration to cacheflush_32.h.
> Fixes this build warning:
> 
>   CC      drivers/crypto/xilinx/zynqmp-sha.o
> In file included from ../arch/sparc/include/asm/cacheflush.h:11,
>                  from ../include/linux/cacheflush.h:5,
>                  from ../drivers/crypto/xilinx/zynqmp-sha.c:6:
> ../arch/sparc/include/asm/cacheflush_32.h:38:37: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration
>    38 | void sparc_flush_page_to_ram(struct page *page);
> 
> Exposed by commit 0e03b8fd2936
> ("crypto: xilinx - Turn SHA into a tristate and allow COMPILE_TEST")
> but not Fixes: that commit.
> 
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Reported-by: kernel test robot <lkp@...el.com>
> Cc: Herbert Xu <herbert@...dor.apana.org.au>
> Cc: David S. Miller <davem@...emloft.net>
> Cc: Sam Ravnborg <sam@...nborg.org>
> Cc: sparclinux@...r.kernel.org
> ---
> v2: use forward declaration instead of adding <linux/mm.h> (Sam)
> 
>  arch/sparc/include/asm/cacheflush_32.h |    1 +
>  1 file changed, 1 insertion(+)

Acked-by: Herbert Xu <herbert@...dor.apana.org.au>

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt