RE: drivers/platform/x86/dell-smbios-smm.c:99: undefined reference to `dcdbas_smi_request'
From: Mario.Limonciello
Date: Thu Apr 26 2018 - 08:59:52 EST
This looks like the failure that was just fixed.
> -----Original Message-----
> From: kbuild test robot [mailto:lkp@xxxxxxxxx]
> Sent: Thursday, April 26, 2018 7:14 AM
> To: Limonciello, Mario
> Cc: kbuild-all@xxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Darren Hart (VMware)
> Subject: drivers/platform/x86/dell-smbios-smm.c:99: undefined reference to
> `dcdbas_smi_request'
>
> Hi Mario,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 69bfd470f4623d2d57ad62cb33791cded0c662f4
> commit: 25d47027e1003546bfd8964b4423cb39bc2d53e9 platform/x86: dell-smbios:
> Link all dell-smbios-* modules together
> date: 7 weeks ago
> config: x86_64-randconfig-v0-04261635 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
> reproduce:
> git checkout 25d47027e1003546bfd8964b4423cb39bc2d53e9
> # save the attached .config to linux build tree
> make ARCH=x86_64
>
> All errors (new ones prefixed by >>):
>
> drivers/platform/x86/dell-smbios-smm.o: In function `dell_smbios_smm_call':
> >> drivers/platform/x86/dell-smbios-smm.c:99: undefined reference to
> `dcdbas_smi_request'
>
> vim +99 drivers/platform/x86/dell-smbios-smm.c
>
> 549b4930 Mario Limonciello 2017-11-01 84
> 549b4930 Mario Limonciello 2017-11-01 85 int dell_smbios_smm_call(struct
> calling_interface_buffer *input)
> 549b4930 Mario Limonciello 2017-11-01 86 {
> 549b4930 Mario Limonciello 2017-11-01 87 struct smi_cmd command;
> 549b4930 Mario Limonciello 2017-11-01 88 size_t size;
> 549b4930 Mario Limonciello 2017-11-01 89
> 549b4930 Mario Limonciello 2017-11-01 90 size = sizeof(struct
> calling_interface_buffer);
> 549b4930 Mario Limonciello 2017-11-01 91 command.magic =
> SMI_CMD_MAGIC;
> 549b4930 Mario Limonciello 2017-11-01 92 command.command_address =
> da_command_address;
> 549b4930 Mario Limonciello 2017-11-01 93 command.command_code =
> da_command_code;
> 549b4930 Mario Limonciello 2017-11-01 94 command.ebx =
> virt_to_phys(buffer);
> 549b4930 Mario Limonciello 2017-11-01 95 command.ecx = 0x42534931;
> 549b4930 Mario Limonciello 2017-11-01 96
> 549b4930 Mario Limonciello 2017-11-01 97 mutex_lock(&smm_mutex);
> 549b4930 Mario Limonciello 2017-11-01 98 memcpy(buffer, input, size);
> 549b4930 Mario Limonciello 2017-11-01 @99 dcdbas_smi_request(&command);
> 549b4930 Mario Limonciello 2017-11-01 100 memcpy(input, buffer, size);
> 549b4930 Mario Limonciello 2017-11-01 101 mutex_unlock(&smm_mutex);
> 549b4930 Mario Limonciello 2017-11-01 102 return 0;
> 549b4930 Mario Limonciello 2017-11-01 103 }
> 549b4930 Mario Limonciello 2017-11-01 104
>
> :::::: The code at line 99 was first introduced by commit
> :::::: 549b4930f057658dc50d8010e66219233119a4d8 platform/x86: dell-smbios:
> Introduce dispatcher for SMM calls
>
> :::::: TO: Mario Limonciello <mario.limonciello@xxxxxxxx>
> :::::: CC: Darren Hart (VMware) <dvhart@xxxxxxxxxxxxx>
>
> ---
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