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SubjectRe: [PATCH v2] riscv: fix styling in ucontext header
On Mon, Oct 10, 2022 at 09:55:17PM +0200, Cleo John wrote:
> Am Montag, 10. Oktober 2022, 20:50:56 CEST schrieb Conor Dooley:
> > On Mon, Oct 10, 2022 at 08:28:48PM +0200, Cleo John wrote:
> > > Change the two comments in ucontext.h by getting them up to
> > > the coding style proposed by torvalds.
> > >
> > > Signed-off-by: Cleo John <waterdev@galaxycrow.de>
> > > ---
> > > In my opinion this also improves the readability so I think this is a useful change to do.
> > > Please also tell me if you have a different opinion.
> >
> > I don't think it is all that /important/ of a change, but it does make
> > things match between this file and the other headers.
> > Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
> >
> > Thanks.
> >
>
> Yes, its not that important. Thats why I chose it. :D

:)

> To be honest this is my first commit to the kernel so
> I wanted to do something simple to start things of
> easy and to get more familiar with the procedure,
> before getting my feet wet into some real kernel
> additions.

Cool, nice to have you & good luck!

> Thanks for helping!

nw, hopefully I wasn't too direct/negative.

Conor.

>
> > >
> > > Changes in v2:
> > > - change the styling of the top comments too
> > >
> > > arch/riscv/include/uapi/asm/ucontext.h | 12 ++++++++----
> > > 1 file changed, 8 insertions(+), 4 deletions(-)
> > >
> > > diff --git a/arch/riscv/include/uapi/asm/ucontext.h b/arch/riscv/include/uapi/asm/ucontext.h
> > > index 44eb993950e5..516bd0bb0da5 100644
> > > --- a/arch/riscv/include/uapi/asm/ucontext.h
> > > +++ b/arch/riscv/include/uapi/asm/ucontext.h
> > > @@ -15,19 +15,23 @@ struct ucontext {
> > > struct ucontext *uc_link;
> > > stack_t uc_stack;
> > > sigset_t uc_sigmask;
> > > - /* There's some padding here to allow sigset_t to be expanded in the
> > > + /*
> > > + * There's some padding here to allow sigset_t to be expanded in the
> > > * future. Though this is unlikely, other architectures put uc_sigmask
> > > * at the end of this structure and explicitly state it can be
> > > - * expanded, so we didn't want to box ourselves in here. */
> > > + * expanded, so we didn't want to box ourselves in here.
> > > + */
> > > __u8 __unused[1024 / 8 - sizeof(sigset_t)];
> > > - /* We can't put uc_sigmask at the end of this structure because we need
> > > + /*
> > > + * We can't put uc_sigmask at the end of this structure because we need
> > > * to be able to expand sigcontext in the future. For example, the
> > > * vector ISA extension will almost certainly add ISA state. We want
> > > * to ensure all user-visible ISA state can be saved and restored via a
> > > * ucontext, so we're putting this at the end in order to allow for
> > > * infinite extensibility. Since we know this will be extended and we
> > > * assume sigset_t won't be extended an extreme amount, we're
> > > - * prioritizing this. */
> > > + * prioritizing this.
> > > + */
> > > struct sigcontext uc_mcontext;
> > > };
> > >
> >
>


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