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Wed, 27 Mar 2024 12:22:57 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-328-gc998c829b7-fm-20240325.002-gc998c829 MIME-Version: 1.0 Message-Id: In-Reply-To: <3922460a-4d01-4ecb-b8c5-7c57fd46f3fd@redhat.com> References: <20240327130538.680256-1-david@redhat.com> <3922460a-4d01-4ecb-b8c5-7c57fd46f3fd@redhat.com> Date: Wed, 27 Mar 2024 17:22:37 +0100 From: "Arnd Bergmann" To: "David Hildenbrand" , peterx Cc: linux-kernel@vger.kernel.org, "Andrew Morton" , "Mike Rapoport" , "Jason Gunthorpe" , "John Hubbard" , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-mm@kvack.org, linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org, x86@kernel.org, "Ryan Roberts" , "Alexander Viro" , "Matt Turner" , "Vineet Gupta" Subject: Re: [PATCH RFC 0/3] mm/gup: consistently call it GUP-fast Content-Type: text/plain X-Rspamd-Queue-Id: 8C0D81C0009 X-Rspam-User: X-Stat-Signature: imf6zf35t46qb3jaxc1odkm66trbnrhq X-Rspamd-Server: rspam03 X-HE-Tag: 1711556579-3074 X-HE-Meta: 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 jnSDmQ9f Vove1HVbuB3g+SaSaGNrygUqfge/V91g4nvTO274TQ3xA+bsGzHulYMp+deb9P1AlN7hnvcsTXXkTTTnYSnIQlfhLqR+RUA5ydd+IoJ/s8BBXNmQLtN5ma+KAA+/TkFr4gQsvjMvPUopIL0n9RrX4wST7CwMx53dWmqNkidPfVXiJ3dQHbsL1rFU52P9HAJh5klCYoOuXYdvvOzhqvDYk7JZkedef9LyAkHyE1L+SixvPtds= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Mar 27, 2024, at 16:39, David Hildenbrand wrote: > On 27.03.24 16:21, Peter Xu wrote: >> On Wed, Mar 27, 2024 at 02:05:35PM +0100, David Hildenbrand wrote: >> >> I'm not sure what config you tried there; as I am doing some build tests >> recently, I found turning off CONFIG_SAMPLES + CONFIG_GCC_PLUGINS could >> avoid a lot of issues, I think it's due to libc missing. But maybe not the >> case there. > > CCin Arnd; I use some of his compiler chains, others from Fedora directly. For > example for alpha and arc, the Fedora gcc is "13.2.1". > > But there is other stuff like (arc): > > ./arch/arc/include/asm/mmu-arcv2.h: In function 'mmu_setup_asid': > ./arch/arc/include/asm/mmu-arcv2.h:82:9: error: implicit declaration of > function 'write_aux_reg' [-Werro > r=implicit-function-declaration] > 82 | write_aux_reg(ARC_REG_PID, asid | MMU_ENABLE); > | ^~~~~~~~~~~~~ Seems to be missing an #include of soc/arc/aux.h, but I can't tell when this first broke without bisecting. > or (alpha) > > WARNING: modpost: "saved_config" [vmlinux] is COMMON symbol > ERROR: modpost: "memcpy" [fs/reiserfs/reiserfs.ko] undefined! > ERROR: modpost: "memcpy" [fs/nfs/nfs.ko] undefined! > ERROR: modpost: "memcpy" [fs/nfs/nfsv3.ko] undefined! > ERROR: modpost: "memcpy" [fs/nfsd/nfsd.ko] undefined! > ERROR: modpost: "memcpy" [fs/lockd/lockd.ko] undefined! > ERROR: modpost: "memcpy" [crypto/crypto.ko] undefined! > ERROR: modpost: "memcpy" [crypto/crypto_algapi.ko] undefined! > ERROR: modpost: "memcpy" [crypto/aead.ko] undefined! > ERROR: modpost: "memcpy" [crypto/crypto_skcipher.ko] undefined! > ERROR: modpost: "memcpy" [crypto/seqiv.ko] undefined! Al did a series to fix various build problems on alpha, see https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git/log/?h=work.alpha Not sure if he still has to send them to Matt, or if Matt just needs to apply them. I also have some alpha patches that I should send upstream. Arnd