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From: kbuild test robot <lkp@intel.com>
To: Palmer Dabbelt <palmer@dabbelt.com>
Cc: kbuild-all@01.org, Olof Johansson <olof@lixom.net>,
	Arnd Bergmann <arnd@arndb.de>,
	akpm@linux-foundation.org, albert@sifive.com,
	yamada.masahiro@socionext.com, mmarek@suse.com,
	will.deacon@arm.com, peterz@infradead.org, boqun.feng@gmail.com,
	mingo@redhat.com, daniel.lezcano@linaro.org, tglx@linutronix.de,
	jason@lakedaemon.net, marc.zyngier@arm.com,
	gregkh@linuxfoundation.org, jslaby@suse.com, davem@davemloft.net,
	mchehab@kernel.org, sfr@canb.auug.org.au, fweisbec@gmail.com,
	viro@zeniv.linux.org.uk, mcgrof@kernel.org, dledford@redhat.com,
	bart.vanassche@sandisk.com, sstabellini@kernel.org,
	daniel.vetter@ffwll.ch, mpe@ellerman.id.au, msalter@redhat.com,
	nicolas.dichtel@6wind.com, james.hogan@imgtec.com,
	paul.gortmaker@windriver.com, linux@roeck-us.net,
	heiko.carstens@de.ibm.com, schwidefsky@de.ibm.com,
	linux-kernel@vger.kernel.org, patches@groups.riscv.org,
	Palmer Dabbelt <palmer@dabbelt.com>
Subject: Re: [PATCH 02/17] pci: Add a generic, weakly-linked pcibios_align_resource
Date: Fri, 14 Jul 2017 11:19:21 +0800	[thread overview]
Message-ID: <201707141015.bNU5lfUu%fengguang.wu@intel.com> (raw)
In-Reply-To: <20170712013130.14792-3-palmer@dabbelt.com>

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Hi Palmer,

[auto build test ERROR on linus/master]
[also build test ERROR on next-20170713]
[cannot apply to v4.12]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Palmer-Dabbelt/lib-Add-shared-copies-of-some-GCC-library-routines/20170713-012253
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

Note: the linux-review/Palmer-Dabbelt/lib-Add-shared-copies-of-some-GCC-library-routines/20170713-012253 HEAD ce846a13375e664242eedad789cb6e1c46d5ddd6 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/pci/probe.o: In function `pci_scan_child_bus':
>> drivers/pci/probe.c:2311: undefined reference to `pcibios_fixup_bus'
   drivers/pci/probe.c:2311:(.text+0x2ffc): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `pcibios_fixup_bus'

vim +2311 drivers/pci/probe.c

b03e7495a Jon Mason      2011-07-20  2290  
15856ad50 Bill Pemberton 2012-11-21  2291  unsigned int pci_scan_child_bus(struct pci_bus *bus)
^1da177e4 Linus Torvalds 2005-04-16  2292  {
b918c62e0 Yinghai Lu     2012-05-17  2293  	unsigned int devfn, pass, max = bus->busn_res.start;
^1da177e4 Linus Torvalds 2005-04-16  2294  	struct pci_dev *dev;
^1da177e4 Linus Torvalds 2005-04-16  2295  
0207c356e Bjorn Helgaas  2009-11-04  2296  	dev_dbg(&bus->dev, "scanning bus\n");
^1da177e4 Linus Torvalds 2005-04-16  2297  
^1da177e4 Linus Torvalds 2005-04-16  2298  	/* Go find them, Rover! */
^1da177e4 Linus Torvalds 2005-04-16  2299  	for (devfn = 0; devfn < 0x100; devfn += 8)
^1da177e4 Linus Torvalds 2005-04-16  2300  		pci_scan_slot(bus, devfn);
^1da177e4 Linus Torvalds 2005-04-16  2301  
a28724b0f Yu Zhao        2009-03-20  2302  	/* Reserve buses for SR-IOV capability. */
a28724b0f Yu Zhao        2009-03-20  2303  	max += pci_iov_bus_range(bus);
a28724b0f Yu Zhao        2009-03-20  2304  
^1da177e4 Linus Torvalds 2005-04-16  2305  	/*
^1da177e4 Linus Torvalds 2005-04-16  2306  	 * After performing arch-dependent fixup of the bus, look behind
^1da177e4 Linus Torvalds 2005-04-16  2307  	 * all PCI-to-PCI bridges on this bus.
^1da177e4 Linus Torvalds 2005-04-16  2308  	 */
74710ded8 Alex Chiang    2009-03-20  2309  	if (!bus->is_added) {
0207c356e Bjorn Helgaas  2009-11-04  2310  		dev_dbg(&bus->dev, "fixups for bus\n");
^1da177e4 Linus Torvalds 2005-04-16 @2311  		pcibios_fixup_bus(bus);
74710ded8 Alex Chiang    2009-03-20  2312  		bus->is_added = 1;
74710ded8 Alex Chiang    2009-03-20  2313  	}
74710ded8 Alex Chiang    2009-03-20  2314  
^1da177e4 Linus Torvalds 2005-04-16  2315  	for (pass = 0; pass < 2; pass++)
^1da177e4 Linus Torvalds 2005-04-16  2316  		list_for_each_entry(dev, &bus->devices, bus_list) {
6788a51fe Yijing Wang    2014-05-04  2317  			if (pci_is_bridge(dev))
^1da177e4 Linus Torvalds 2005-04-16  2318  				max = pci_scan_bridge(bus, dev, max, pass);
^1da177e4 Linus Torvalds 2005-04-16  2319  		}
^1da177e4 Linus Torvalds 2005-04-16  2320  
^1da177e4 Linus Torvalds 2005-04-16  2321  	/*
e16b46605 Keith Busch    2016-07-21  2322  	 * Make sure a hotplug bridge has at least the minimum requested
e16b46605 Keith Busch    2016-07-21  2323  	 * number of buses.
e16b46605 Keith Busch    2016-07-21  2324  	 */
e16b46605 Keith Busch    2016-07-21  2325  	if (bus->self && bus->self->is_hotplug_bridge && pci_hotplug_bus_size) {
e16b46605 Keith Busch    2016-07-21  2326  		if (max - bus->busn_res.start < pci_hotplug_bus_size - 1)
e16b46605 Keith Busch    2016-07-21  2327  			max = bus->busn_res.start + pci_hotplug_bus_size - 1;
e16b46605 Keith Busch    2016-07-21  2328  	}
e16b46605 Keith Busch    2016-07-21  2329  
e16b46605 Keith Busch    2016-07-21  2330  	/*
^1da177e4 Linus Torvalds 2005-04-16  2331  	 * We've scanned the bus and so we know all about what's on
^1da177e4 Linus Torvalds 2005-04-16  2332  	 * the other side of any bridges that may be on this bus plus
^1da177e4 Linus Torvalds 2005-04-16  2333  	 * any devices.
^1da177e4 Linus Torvalds 2005-04-16  2334  	 *
^1da177e4 Linus Torvalds 2005-04-16  2335  	 * Return how far we've got finding sub-buses.
^1da177e4 Linus Torvalds 2005-04-16  2336  	 */
0207c356e Bjorn Helgaas  2009-11-04  2337  	dev_dbg(&bus->dev, "bus scan returning with max=%02x\n", max);
^1da177e4 Linus Torvalds 2005-04-16  2338  	return max;
^1da177e4 Linus Torvalds 2005-04-16  2339  }
b7fe94342 Ryan Desfosses 2014-04-25  2340  EXPORT_SYMBOL_GPL(pci_scan_child_bus);
^1da177e4 Linus Torvalds 2005-04-16  2341  

:::::: The code at line 2311 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  parent reply	other threads:[~2017-07-14  3:19 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-12  1:31 RISC-V Linux Port v6 Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 01/17] lib: Add shared copies of some GCC library routines Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 02/17] pci: Add a generic, weakly-linked pcibios_align_resource Palmer Dabbelt
2017-07-12 13:41   ` Luis R. Rodriguez
2017-07-12 22:50   ` Bjorn Helgaas
2017-07-13 18:30     ` Palmer Dabbelt
2017-07-14  3:19   ` kbuild test robot [this message]
2017-07-12  1:31 ` [PATCH 03/17] pci: Add a generic, weakly-linked pcibios_fixup_bus Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 04/17] MAINTAINERS: Add RISC-V Palmer Dabbelt
2017-07-12 11:16   ` James Hogan
2017-07-12 11:31     ` Arnd Bergmann
2017-07-12 14:51       ` [patches] " Jonathan Neuschäfer
2017-07-12  1:31 ` [PATCH 05/17] clocksource: New RISC-V SBI timer driver Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 06/17] irqchip: RISC-V Local Interrupt Controller Driver Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 07/17] irqchip: New RISC-V PLIC Driver Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 08/17] tty: New RISC-V SBI console driver Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 09/17] RISC-V: Init and Halt Code Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 10/17] RISC-V: Atomic and Locking Code Palmer Dabbelt
2017-07-12 12:40   ` Boqun Feng
2017-07-12 12:44     ` Boqun Feng
2017-07-12 12:49     ` Peter Zijlstra
2017-07-12 17:17     ` Palmer Dabbelt
2017-07-12 13:13   ` Arnd Bergmann
2017-07-12  1:31 ` [PATCH 11/17] RISC-V: Generic library routines and assembly Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 12/17] RISC-V: ELF and module implementation Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 13/17] RISC-V: Task implementation Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 14/17] RISC-V: Device, timer, IRQs, and the SBI Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 15/17] RISC-V: Paging and MMU Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 16/17] RISC-V: User-facing API Palmer Dabbelt
2017-07-12 11:07   ` James Hogan
2017-07-12 16:24     ` Palmer Dabbelt
2017-07-12 17:09       ` James Hogan
2017-07-13 21:50         ` Palmer Dabbelt
2017-07-12  1:31 ` [PATCH 17/17] RISC-V: Build Infastructure Palmer Dabbelt
2017-07-26  2:57   ` [patches] " Jonathan Neuschäfer
2017-07-26  5:20     ` Palmer Dabbelt
2017-07-26  6:52       ` Arnd Bergmann
2017-07-26 18:37       ` Jonathan Neuschäfer
2017-07-12  7:58 ` RISC-V Linux Port v6 Arnd Bergmann
2017-07-12 13:53   ` Luis R. Rodriguez
2017-07-12 17:55   ` Will Deacon
2017-07-12 19:34     ` Arnd Bergmann
  -- strict thread matches above, loose matches on Subject: below --
2017-07-11  1:39 RISC-V Linux Port v5 Palmer Dabbelt
2017-07-11  1:39 ` [PATCH 02/17] pci: Add a generic, weakly-linked pcibios_align_resource Palmer Dabbelt

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