linux-kernel - Re: [PATCH -next] x86/platform/uv: functions should not be declared extern

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Date:   Tue, 1 Jun 2021 14:40:08 +0800
From:   Qiheng Lin <linqiheng@...wei.com>
To:     <mike.travis@....com>, <dimitri.sivanich@....com>,
        <russ.anderson@....com>, <dvhart@...radead.org>,
        <andy@...radead.org>, <tglx@...utronix.de>, <mingo@...hat.com>,
        <bp@...en8.de>, <x86@...nel.org>, <hpa@...or.com>
CC:     <steve.wahl@....com>, <platform-driver-x86@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] x86/platform/uv: functions should not be declared
 extern

在 2021/5/31 14:07, Qiheng Lin 写道:
> These function declarations in 'bios.h' are already marked extern, thus
> their definition should not have the keyword.
> 
> This quiets the following sparse warnings:
>   function 'uv_bios_get_master_nasid' with external linkage has definition
>   function 'uv_bios_get_heapsize' with external linkage has definition
>   function 'uv_bios_install_heap' with external linkage has definition
>   function 'uv_bios_obj_count' with external linkage has definition
>   function 'uv_bios_enum_objs' with external linkage has definition
>   function 'uv_bios_enum_ports' with external linkage has definition
>   function 'uv_bios_get_geoinfo' with external linkage has definition
>   function 'uv_bios_get_pci_topology' with external linkage has definition
> 
> Signed-off-by: Qiheng Lin <linqiheng@...wei.com>
> ---
>   arch/x86/platform/uv/bios_uv.c | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/x86/platform/uv/bios_uv.c b/arch/x86/platform/uv/bios_uv.c
> index bf31af3d32d6..7e7634c8be62 100644
> --- a/arch/x86/platform/uv/bios_uv.c
> +++ b/arch/x86/platform/uv/bios_uv.c
> @@ -172,55 +172,55 @@ int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus)
>   				(u64)decode, (u64)domain, (u64)bus, 0, 0);
>   }
>   
> -extern s64 uv_bios_get_master_nasid(u64 size, u64 *master_nasid)
> +s64 uv_bios_get_master_nasid(u64 size, u64 *master_nasid)
>   {
>   	return uv_bios_call(UV_BIOS_EXTRA, 0, UV_BIOS_EXTRA_MASTER_NASID, 0,
>   				size, (u64)master_nasid);
>   }
>   EXPORT_SYMBOL_GPL(uv_bios_get_master_nasid);
>   
> -extern s64 uv_bios_get_heapsize(u64 nasid, u64 size, u64 *heap_size)
> +s64 uv_bios_get_heapsize(u64 nasid, u64 size, u64 *heap_size)
>   {
>   	return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_GET_HEAPSIZE,
>   				0, size, (u64)heap_size);
>   }
>   EXPORT_SYMBOL_GPL(uv_bios_get_heapsize);
>   
> -extern s64 uv_bios_install_heap(u64 nasid, u64 heap_size, u64 *bios_heap)
> +s64 uv_bios_install_heap(u64 nasid, u64 heap_size, u64 *bios_heap)
>   {
>   	return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_INSTALL_HEAP,
>   				0, heap_size, (u64)bios_heap);
>   }
>   EXPORT_SYMBOL_GPL(uv_bios_install_heap);
>   
> -extern s64 uv_bios_obj_count(u64 nasid, u64 size, u64 *objcnt)
> +s64 uv_bios_obj_count(u64 nasid, u64 size, u64 *objcnt)
>   {
>   	return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_OBJECT_COUNT,
>   				0, size, (u64)objcnt);
>   }
>   EXPORT_SYMBOL_GPL(uv_bios_obj_count);
>   
> -extern s64 uv_bios_enum_objs(u64 nasid, u64 size, u64 *objbuf)
> +s64 uv_bios_enum_objs(u64 nasid, u64 size, u64 *objbuf)
>   {
>   	return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_OBJECTS,
>   				0, size, (u64)objbuf);
>   }
>   EXPORT_SYMBOL_GPL(uv_bios_enum_objs);
>   
> -extern s64 uv_bios_enum_ports(u64 nasid, u64 obj_id, u64 size, u64 *portbuf)
> +s64 uv_bios_enum_ports(u64 nasid, u64 obj_id, u64 size, u64 *portbuf)
>   {
>   	return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_PORTS,
>   				obj_id, size, (u64)portbuf);
>   }
>   EXPORT_SYMBOL_GPL(uv_bios_enum_ports);
>   
> -extern s64 uv_bios_get_geoinfo(u64 nasid, u64 size, u64 *buf)
> +s64 uv_bios_get_geoinfo(u64 nasid, u64 size, u64 *buf)
>   {
>   	return uv_bios_call(UV_BIOS_GET_GEOINFO, nasid, (u64)buf, size, 0, 0);
>   }
>   EXPORT_SYMBOL_GPL(uv_bios_get_geoinfo);
>   
> -extern s64 uv_bios_get_pci_topology(u64 size, u64 *buf)
> +s64 uv_bios_get_pci_topology(u64 size, u64 *buf)
>   {
>   	return uv_bios_call(UV_BIOS_GET_PCI_TOPOLOGY, (u64)buf, size, 0, 0, 0);
>   }
> 

I have sent a new patch with the correct subject and commit messages, 
please ignore this version.

Sorry for the noise.