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Message-ID: <201510270804.3IyXs3nQ%fengguang.wu@intel.com>
Date: Tue, 27 Oct 2015 08:32:06 +0800
From: kbuild test robot <lkp@...el.com>
To: jakeo@...rosoft.com
Cc: kbuild-all@...org, gregkh@...uxfoundation.org, kys@...rosoft.com,
linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com,
tglx@...utronix.de, haiyangz@...rosoft.com, marc.zyngier@....com,
jiang.liu@...ux.intel.com, bhelgaas@...gle.com,
linux-pci@...r.kernel.org, Jake Oshins <jakeo@...rosoft.com>
Subject: Re: [PATCH v3 7/7] PCI: hv: New paravirtual PCI front-end for
Hyper-V VMs
Hi Jake,
[auto build test WARNING on next-20151022 -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/jakeo-microsoft-com/New-paravirtual-PCI-front-end-for-Hyper-V-VMs/20151027-072118
config: i386-allmodconfig (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All warnings (new ones prefixed by >>):
drivers/pci/host/hv_pcifront.c: In function 'prepopulate_bars':
>> drivers/pci/host/hv_pcifront.c:1114:23: warning: right shift count >= width of type [-Wshift-count-overflow]
(u32)(high_base >> 32));
^
drivers/pci/host/hv_pcifront.c: In function 'hv_pci_onchannelcallback':
>> drivers/pci/host/hv_pcifront.c:1648:18: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
comp_packet = (struct pci_packet *)req_id;
^
drivers/pci/host/hv_pcifront.c: In function 'hv_pci_allocate_bridge_windows':
>> drivers/pci/host/hv_pcifront.c:1817:8: warning: large integer implicitly truncated to unsigned type [-Woverflow]
0x100000000, -1,
^
coccinelle warnings: (new ones prefixed by >>)
>> drivers/pci/host/hv_pcifront.c:1405:31-33: ERROR: reference preceded by free on line 1383
vim +1114 drivers/pci/host/hv_pcifront.c
1098 } else {
1099 bar_val |= 0xffffffffULL << 32;
1100 }
1101 bar_size = get_bar_size(bar_val);
1102 if (high) {
1103 if (high_size != bar_size) {
1104 i++;
1105 continue;
1106 }
1107 _hv_pcifront_write_config(hpdev,
1108 PCI_BASE_ADDRESS_0 + (4 * i),
1109 4,
1110 (u32)(high_base & 0xffffff00));
1111 _hv_pcifront_write_config(hpdev,
1112 PCI_BASE_ADDRESS_0 +
1113 (4 * (i + 1)), 4,
> 1114 (u32)(high_base >> 32));
1115 high_base += bar_size;
1116 } else {
1117 if (low_size != bar_size)
1118 continue;
1119 _hv_pcifront_write_config(hpdev,
1120 PCI_BASE_ADDRESS_0 + (4 * i),
1121 4,
1122 (u32)(low_base & 0xffffff00));
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Download attachment ".config.gz" of type "application/octet-stream" (52534 bytes)
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