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Tue, 11 Mar 2025 16:27:31 +1100 (AEDT) Date: Tue, 11 Mar 2025 16:27:30 +1100 From: Stephen Rothwell To: Steven Rostedt , Masami Hiramatsu Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build failure after merge of the ftrace tree Message-ID: <20250311162730.2762bbd0@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/z38POeWRo690QIe.Zl/IXxD"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/z38POeWRo690QIe.Zl/IXxD Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the ftrace tree, today's linux-next build (arm multi_v7_defconfig) failed like this: In file included from arch/arm/include/asm/page.h:185, from arch/arm/include/asm/thread_info.h:14, from include/linux/thread_info.h:60, from include/asm-generic/preempt.h:5, from ./arch/arm/include/generated/asm/preempt.h:1, from include/linux/preempt.h:79, from include/linux/alloc_tag.h:11, from include/linux/percpu.h:5, from include/linux/context_tracking_state.h:5, from include/linux/hardirq.h:5, from include/linux/interrupt.h:11, from include/linux/trace_recursion.h:5, from kernel/trace/ring_buffer.c:7: kernel/trace/ring_buffer.c: In function '__rb_map_vma': kernel/trace/ring_buffer.c:7137:59: error: passing argument 1 of 'virt_to_p= fn' makes pointer from integer without a cast [-Wint-conversion] 7137 | if (virt_addr_valid(cpu_buffer->subbuf_ids[s])) | ~~~~~~~~~~~~~~~~~~~~~~^~~ | | | long unsi= gned int arch/arm/include/asm/memory.h:386:66: note: in definition of macro 'virt_ad= dr_valid' 386 | && pfn_valid(virt_to_pfn(ka= ddr))) | ^~= ~~~ arch/arm/include/asm/memory.h:290:53: note: expected 'const void *' but arg= ument is of type 'long unsigned int' 290 | static inline unsigned long virt_to_pfn(const void *p) | ~~~~~~~~~~~~^ Caused by commit 10a299da2c2b ("ring-buffer: Allow persistent ring buffers to be mmapped") I used the ftrace tree from next-20250307 for today. --=20 Cheers, Stephen Rothwell --Sig_/z38POeWRo690QIe.Zl/IXxD Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmfPycIACgkQAVBC80lX 0GwrDQf/QjVf9xAVRW965OaKz0OQnGhYnNsgbVIYAzDpSGWPRdss/QYb2qiT0DtR +4OeytEp9G1rgAQJEFKTiLbEtl7mloBiOUykppnv1BhnFj895VVzcKBLHYrOS0l/ BG9kqzdbXtlMDyDuFcs5tBwsI9UXBegUOzWIQ5uGo69PTv5R6pTMyXMMmT6RQyVt gO+2dqnfGKkNmMwjcr8C5cPap7/aClTTanxmGV8qmdBZEZHEU1jpYyHWLweeJe/P kl1qBQFbxLWf+TKEa9SQegex/RLSvP2mMxtobNv0CdAE7hC1nt60gsjcRhcHzMB5 h5EDQoYHQ9CpQ3XxSm6TQ2WsAnJYAA== =rWfU -----END PGP SIGNATURE----- --Sig_/z38POeWRo690QIe.Zl/IXxD--