Re: [PATCH 5/5] mips/kvm: Audit and remove any unnecessary uses of module.h

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On 22/08/2016 14:14, James Hogan wrote:
> On Sun, Aug 21, 2016 at 03:58:17PM -0400, Paul Gortmaker wrote:
>> Historically a lot of these existed because we did not have
>> a distinction between what was modular code and what was providing
>> support to modules via EXPORT_SYMBOL and friends.  That changed
>> when we forked out support for the latter into the export.h file.
>>
>> This means we should be able to reduce the usage of module.h
>> in code that is obj-y Makefile or bool Kconfig.  In the case of
>> kvm where it is modular, we can extend that to also include files
>> that are building basic support functionality but not related
>> to loading or registering the final module; such files also have
>> no need whatsoever for module.h
>>
>> The advantage in removing such instances is that module.h itself
>> sources about 15 other headers; adding significantly to what we feed
>> cpp, and it can obscure what headers we are effectively using.
>>
>> Since module.h was the source for init.h (for __init) and for
>> export.h (for EXPORT_SYMBOL) we consider each instance for the
>> presence of either and replace as needed.  In this case, we did
>> not need to add either to any files.
>>
>> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
>> Cc: "Radim Krčmář" <rkrcmar@xxxxxxxxxx>
>> Cc: James Hogan <james.hogan@xxxxxxxxxx>
>> Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
>> Cc: kvm@xxxxxxxxxxxxxxx
>> Cc: linux-mips@xxxxxxxxxxxxxx
>> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
> 
> Thanks, looks good and builds fine with KVM enabled for me.
> 
> Acked-by: James Hogan <james.hogan@xxxxxxxxxx>

Please merge through the MIPS tree.

Acked-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

> Cheers
> James
> 
>> ---
>>  arch/mips/kvm/commpage.c  | 1 -
>>  arch/mips/kvm/dyntrans.c  | 1 -
>>  arch/mips/kvm/emulate.c   | 1 -
>>  arch/mips/kvm/interrupt.c | 1 -
>>  arch/mips/kvm/trap_emul.c | 1 -
>>  5 files changed, 5 deletions(-)
>>
>> diff --git a/arch/mips/kvm/commpage.c b/arch/mips/kvm/commpage.c
>> index a36b77e1705c..f43629979a0e 100644
>> --- a/arch/mips/kvm/commpage.c
>> +++ b/arch/mips/kvm/commpage.c
>> @@ -12,7 +12,6 @@
>>  
>>  #include <linux/errno.h>
>>  #include <linux/err.h>
>> -#include <linux/module.h>
>>  #include <linux/vmalloc.h>
>>  #include <linux/fs.h>
>>  #include <linux/bootmem.h>
>> diff --git a/arch/mips/kvm/dyntrans.c b/arch/mips/kvm/dyntrans.c
>> index d280894915ed..b36c8ddc03ea 100644
>> --- a/arch/mips/kvm/dyntrans.c
>> +++ b/arch/mips/kvm/dyntrans.c
>> @@ -13,7 +13,6 @@
>>  #include <linux/err.h>
>>  #include <linux/highmem.h>
>>  #include <linux/kvm_host.h>
>> -#include <linux/module.h>
>>  #include <linux/vmalloc.h>
>>  #include <linux/fs.h>
>>  #include <linux/bootmem.h>
>> diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
>> index e788515f766b..68fd666f8cb9 100644
>> --- a/arch/mips/kvm/emulate.c
>> +++ b/arch/mips/kvm/emulate.c
>> @@ -13,7 +13,6 @@
>>  #include <linux/err.h>
>>  #include <linux/ktime.h>
>>  #include <linux/kvm_host.h>
>> -#include <linux/module.h>
>>  #include <linux/vmalloc.h>
>>  #include <linux/fs.h>
>>  #include <linux/bootmem.h>
>> diff --git a/arch/mips/kvm/interrupt.c b/arch/mips/kvm/interrupt.c
>> index ad28dac6b7e9..e88403b3dcdd 100644
>> --- a/arch/mips/kvm/interrupt.c
>> +++ b/arch/mips/kvm/interrupt.c
>> @@ -11,7 +11,6 @@
>>  
>>  #include <linux/errno.h>
>>  #include <linux/err.h>
>> -#include <linux/module.h>
>>  #include <linux/vmalloc.h>
>>  #include <linux/fs.h>
>>  #include <linux/bootmem.h>
>> diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c
>> index 091553942bcb..21d80274ccff 100644
>> --- a/arch/mips/kvm/trap_emul.c
>> +++ b/arch/mips/kvm/trap_emul.c
>> @@ -11,7 +11,6 @@
>>  
>>  #include <linux/errno.h>
>>  #include <linux/err.h>
>> -#include <linux/module.h>
>>  #include <linux/vmalloc.h>
>>  
>>  #include <linux/kvm_host.h>
>> -- 
>> 2.8.4
>>




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