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

From: Mark Railton
Date: Mon Jul 23 2018 - 17:58:22 EST


On Mon, Jul 23, 2018 at 02:55:12PM -0700, Randy Dunlap wrote:
> 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

Thank you for the feedback, I will make sure to take that on board.

Mark