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Message-Id: <733E4CAF-A9E5-491F-B0C7-69CA84E5DFA5@oracle.com>
Date: Mon, 15 Jun 2020 08:33:40 -0400
From: Chuck Lever <chuck.lever@...cle.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
Bruce Fields <bfields@...ldses.org>
Cc: Trond Myklebust <trond.myklebust@...merspace.com>,
Anna Schumaker <anna.schumaker@...app.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
netdev <netdev@...r.kernel.org>,
Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
linuxppc-dev@...ts.ozlabs.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] SUNRPC: Add missing definition of
ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
> On Jun 15, 2020, at 2:25 AM, Christophe Leroy <christophe.leroy@...roup.eu> wrote:
>
> Even if that's only a warning, not including asm/cacheflush.h
> leads to svc_flush_bvec() being empty allthough powerpc defines
> ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE.
>
> CC net/sunrpc/svcsock.o
> net/sunrpc/svcsock.c:227:5: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined [-Wundef]
> #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
> ^
>
> Include linux/highmem.h so that asm/cacheflush.h will be included.
>
> Reported-by: Christophe Leroy <christophe.leroy@...roup.eu>
> Reported-by: kernel test robot <lkp@...el.com>
> Cc: Chuck Lever <chuck.lever@...cle.com>
> Fixes: ca07eda33e01 ("SUNRPC: Refactor svc_recvfrom()")
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
LGTM.
Acked-by: Chuck Lever <chuck.lever@...cle.com>
> ---
> v2: Use linux/highmem.h instead of asm/cacheflush.sh
> Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
> ---
> net/sunrpc/svcsock.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
> index 5c4ec9386f81..c537272f9c7e 100644
> --- a/net/sunrpc/svcsock.c
> +++ b/net/sunrpc/svcsock.c
> @@ -44,6 +44,7 @@
> #include <net/tcp.h>
> #include <net/tcp_states.h>
> #include <linux/uaccess.h>
> +#include <linux/highmem.h>
> #include <asm/ioctls.h>
>
> #include <linux/sunrpc/types.h>
> --
> 2.25.0
>
--
Chuck Lever
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