From: Chuck Lever <chuck.lever@oracle.com>
To: kbuild-all@lists.01.org
Subject: Re: [linux-next:master 10476/14131] net/sunrpc/svcsock.c:226:5: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined
Date: Mon, 01 Jun 2020 23:14:03 -0400 [thread overview]
Message-ID: <4AC60DF4-D913-41ED-AE77-8BCD7E34B120@oracle.com> (raw)
In-Reply-To: <202006021008.DBOlXreN%lkp@intel.com>
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> On Jun 1, 2020, at 10:48 PM, kbuild test robot <lkp@intel.com> wrote:
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head: e7b08814b16b80a0bf76eeca16317f8c2ed23b8c
> commit: ca07eda33e01eafa7a26ec06974f7eacee6a89c8 [10476/14131] SUNRPC: Refactor svc_recvfrom()
> config: i386-randconfig-a006-20200602 (attached as .config)
> compiler: gcc-6 (Debian 6.3.0-18+deb9u1) 6.3.0 20170516
> reproduce (this is a W=1 build):
> git checkout ca07eda33e01eafa7a26ec06974f7eacee6a89c8
> # save the attached .config to linux build tree
> make W=1 ARCH=i386
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All warnings (new ones prefixed by >>, old ones prefixed by <<):
>
>>> net/sunrpc/svcsock.c:226:5: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined [-Wundef]
> #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This appears to be a problem with ARCH=i386, not with my patch?
[cel(a)klimt linux]$ git grep ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
arch/alpha/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
arch/arc/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/arm/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/arm64/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/c6x/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
arch/csky/abiv1/inc/abi/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/csky/abiv2/inc/abi/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/hexagon/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
arch/ia64/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/m68k/include/asm/cacheflush_mm.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/m68k/include/asm/cacheflush_no.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
arch/microblaze/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/mips/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/nds32/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/nios2/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/openrisc/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/parisc/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/powerpc/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/riscv/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
arch/sh/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/sparc/include/asm/cacheflush_32.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/sparc/include/asm/cacheflush_64.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/unicore32/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/xtensa/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
arch/xtensa/include/asm/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
block/blk-core.c:#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
include/asm-generic/cacheflush.h:#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
include/crypto/scatterwalk.h: /* Test ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE first as
include/crypto/scatterwalk.h: if (ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE && !PageSlab(page))
include/linux/blkdev.h:#ifndef ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
include/linux/blkdev.h:# error "You should define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE for your platform"
include/linux/blkdev.h:#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
net/packet/af_packet.c:#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1
net/packet/af_packet.c:#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1
net/packet/af_packet.c:#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1
net/sunrpc/svcsock.c:#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
net/sunrpc/xprtsock.c:#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
[cel(a)klimt linux]$
> vim +/ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE +226 net/sunrpc/svcsock.c
>
> 225
>> 226 #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
> 227 static void svc_flush_bvec(const struct bio_vec *bvec, size_t size, size_t seek)
> 228 {
> 229 struct bvec_iter bi = {
> 230 .bi_size = size,
> 231 };
> 232 struct bio_vec bv;
> 233
> 234 bvec_iter_advance(bvec, &bi, seek & PAGE_MASK);
> 235 for_each_bvec(bv, bvec, bi, bi)
> 236 flush_dcache_page(bv.bv_page);
> 237 }
> 238 #else
> 239 static inline void svc_flush_bvec(const struct bio_vec *bvec, size_t size,
> 240 size_t seek)
> 241 {
> 242 }
> 243 #endif
> 244
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
> <.config.gz>
--
Chuck Lever
prev parent reply other threads:[~2020-06-02 3:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-02 2:48 [linux-next:master 10476/14131] net/sunrpc/svcsock.c:226:5: warning: "ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE" is not defined kbuild test robot
2020-06-02 3:14 ` Chuck Lever [this message]
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