Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-30 Thread Alexey Kardashevskiy

On 06/30/2015 04:08 PM, SF Markus Elfring wrote:

than the existing one should have been renamed to "free_exit" or 
"free_unlock_exit"
and new one would be "unlock_exit".


I chose a smaller change at this place.


I'd just drop this patch.


How do you think about to improve the affected jump labels
a bit more there?


This branch is very unlikely to work ever so I cannot think of any 
improvement here.




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Alexey
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Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-30 Thread SF Markus Elfring
>>> than the existing one should have been renamed to "free_exit" or 
>>> "free_unlock_exit"
>>> and new one would be "unlock_exit".
>>
>> I chose a smaller change at this place.
> 
> I'd just drop this patch.

How do you think about to improve the affected jump labels
a bit more there?

Regards,
Markus
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Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-30 Thread Alexey Kardashevskiy

On 06/30/2015 04:08 PM, SF Markus Elfring wrote:

than the existing one should have been renamed to free_exit or 
free_unlock_exit
and new one would be unlock_exit.


I chose a smaller change at this place.


I'd just drop this patch.


How do you think about to improve the affected jump labels
a bit more there?


This branch is very unlikely to work ever so I cannot think of any 
improvement here.




--
Alexey
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Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-30 Thread SF Markus Elfring
 than the existing one should have been renamed to free_exit or 
 free_unlock_exit
 and new one would be unlock_exit.

 I chose a smaller change at this place.
 
 I'd just drop this patch.

How do you think about to improve the affected jump labels
a bit more there?

Regards,
Markus
--
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the body of a message to majord...@vger.kernel.org
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Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-29 Thread Alexey Kardashevskiy

On 06/29/2015 04:02 PM, SF Markus Elfring wrote:

tcegrp will be NULL and kfree() can handle this just fine


The affected function did not show this API knowledge, did it?



but you fixed this in 1/2 :)





(is not it the whole point of this patchset
- remove the check and just call kfree() even if the pointer is NULL?).


Partly, yes.



And if you wanted another label,


I suggest this to improve corresponding exception handling.



than the existing one should have been renamed to "free_exit" or 
"free_unlock_exit"
and new one would be "unlock_exit".


I chose a smaller change at this place.



I'd just drop this patch.



I am not familiar enough with other called functions there at the moment.
Are the remaining goto statements also update candidates?





--
Alexey
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Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-29 Thread SF Markus Elfring
> tcegrp will be NULL and kfree() can handle this just fine

The affected function did not show this API knowledge, did it?


> (is not it the whole point of this patchset
> - remove the check and just call kfree() even if the pointer is NULL?).

Partly, yes.


> And if you wanted another label,

I suggest this to improve corresponding exception handling.


> than the existing one should have been renamed to "free_exit" or 
> "free_unlock_exit"
> and new one would be "unlock_exit".

I chose a smaller change at this place.

I am not familiar enough with other called functions there at the moment.
Are the remaining goto statements also update candidates?

Regards,
Markus
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To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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More majordomo info at  http://vger.kernel.org/majordomo-info.html
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Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-29 Thread SF Markus Elfring
 tcegrp will be NULL and kfree() can handle this just fine

The affected function did not show this API knowledge, did it?


 (is not it the whole point of this patchset
 - remove the check and just call kfree() even if the pointer is NULL?).

Partly, yes.


 And if you wanted another label,

I suggest this to improve corresponding exception handling.


 than the existing one should have been renamed to free_exit or 
 free_unlock_exit
 and new one would be unlock_exit.

I chose a smaller change at this place.

I am not familiar enough with other called functions there at the moment.
Are the remaining goto statements also update candidates?

Regards,
Markus
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/


Re: vfio: powerpc/spapr: One function call less in tce_iommu_attach_group() after kzalloc() failure

2015-06-29 Thread Alexey Kardashevskiy

On 06/29/2015 04:02 PM, SF Markus Elfring wrote:

tcegrp will be NULL and kfree() can handle this just fine


The affected function did not show this API knowledge, did it?



but you fixed this in 1/2 :)





(is not it the whole point of this patchset
- remove the check and just call kfree() even if the pointer is NULL?).


Partly, yes.



And if you wanted another label,


I suggest this to improve corresponding exception handling.



than the existing one should have been renamed to free_exit or 
free_unlock_exit
and new one would be unlock_exit.


I chose a smaller change at this place.



I'd just drop this patch.



I am not familiar enough with other called functions there at the moment.
Are the remaining goto statements also update candidates?





--
Alexey
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/