Re: [PATCH] Drivers: Xen: xlate_mmu.c: Fixed comment layout

From: Randy Dunlap
Date: Mon Jul 23 2018 - 17:55:16 EST


On 07/23/2018 02:48 PM, Mark Railton wrote:
> On Mon, Jul 23, 2018 at 02:44:28PM -0700, Randy Dunlap wrote:
>> On 07/23/2018 02:40 PM, Mark Railton wrote:
>>> On Mon, Jul 23, 2018 at 02:38:20PM -0700, Randy Dunlap wrote:
>>>> On 07/23/2018 02:34 PM, Mark Railton wrote:
>>>>> Fixed issue with multi line comment
>>>>
>>>> Fix [not Fixed]
>>>>
>>>>>
>>>>> Signed-off-by: Mark Railton <mark@xxxxxxxxxxxxxxx>
>>>>> ---
>>>>> drivers/xen/xlate_mmu.c | 5 +++--
>>>>> 1 file changed, 3 insertions(+), 2 deletions(-)
>>>>>
>>>>> diff --git a/drivers/xen/xlate_mmu.c b/drivers/xen/xlate_mmu.c
>>>>> index 23f1387b3ef7..3b03bc1641ed 100644
>>>>> --- a/drivers/xen/xlate_mmu.c
>>>>> +++ b/drivers/xen/xlate_mmu.c
>>>>> @@ -151,8 +151,9 @@ int xen_xlate_remap_gfn_array(struct vm_area_struct *vma,
>>>>> struct remap_data data;
>>>>> unsigned long range = DIV_ROUND_UP(nr, XEN_PFN_PER_PAGE) << PAGE_SHIFT;
>>>>>
>>>>> - /* Kept here for the purpose of making sure code doesn't break
>>>>> - x86 PVOPS */
>>>>> + /* Kept here for the purpose of making sure code doesn't
>>>>> + * break x86 PVOPS
>>>>> + */
>>>>
>>>> That is still not the preferred kernel multi-line comment style.
>>>> Documentation/process/coding-style.rst says:
>>>>
>>>> /*
>>>> * This is the preferred style for multi-line
>>>> * comments in the Linux kernel source code.
>>>> * Please use it consistently.
>>>> *
>>>> * Description: A column of asterisks on the left side,
>>>> * with beginning and ending almost-blank lines.
>>>> */
>>>>
>>>> although Networking code has a slightly different preferred style (as in
>>>> your patch).
>>>>
>>>>> BUG_ON(!((vma->vm_flags & (VM_PFNMAP | VM_IO)) == (VM_PFNMAP | VM_IO)));
>>>>>
>>>>> data.fgfn = gfn;
>>>>>
>>>>
>>>>
>>>> --
>>>> ~Randy
>>>
>>> Thank's for the feedback, I'll get that updated now.
>>>
>>> I'm still kinda new to this, I assume I need to send the new patch via
>>> git send-email?
>>
>> That is one option. Use whatever works for you.
>>
>> There are several email clients that also work well.
>> See Documentation/process/email-clients.rst.
>>
>>
>> --
>> ~Randy
>
> From 57c8104d2a30020005be16df2ca69ed66f6c4ae9 Mon Sep 17 00:00:00 2001
> From: Mark Railton <mark@xxxxxxxxxxxxxxx>
> Date: Mon, 23 Jul 2018 22:28:53 +0100
> Subject: [PATCH] Drivers: Xen: xlate_mmu.c: Fixed comment layout
>
> Fixed issue with multi line comment
>
> Signed-off-by: Mark Railton <mark@xxxxxxxxxxxxxxx>
> ---
> drivers/xen/xlate_mmu.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/xen/xlate_mmu.c b/drivers/xen/xlate_mmu.c
> index 23f1387b3ef7..2b77c79f8ce7 100644
> --- a/drivers/xen/xlate_mmu.c
> +++ b/drivers/xen/xlate_mmu.c
> @@ -151,8 +151,10 @@ int xen_xlate_remap_gfn_array(struct vm_area_struct *vma,
> struct remap_data data;
> unsigned long range = DIV_ROUND_UP(nr, XEN_PFN_PER_PAGE) << PAGE_SHIFT;
>
> - /* Kept here for the purpose of making sure code doesn't break
> - x86 PVOPS */
> + /*
> + * Kept here for the purpose of making sure code doesn't
> + * break x86 PVOPS
> + */
> BUG_ON(!((vma->vm_flags & (VM_PFNMAP | VM_IO)) == (VM_PFNMAP | VM_IO)));
>
> data.fgfn = gfn;
> --
> 2.17.1


Hi,

a. The subject and the patch description should be in present tense, i.e.,
Fix instead of Fixed.

b. Ideally you start a new email thread for new versions of a patch (but Cc:
the interested parties).

For the patch itself:
Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Thanks.

--
~Randy