[PATCH -next v6 1/8] entry: Split generic entry into generic exception and syscall entry

[Will Deacon]

On Mon, Apr 28, 2025 at 04:46:02PM +0200, Linus Walleij wrote:
> Hi Thomas,
> 
> On Thu, Mar 20, 2025 at 3:26 PM Linus Walleij <linus.walleij at linaro.org> wrote:
> 
> > > Currently CONFIG_GENERIC_ENTRY enables both the generic exception
> > > entry logic and the generic syscall entry logic, which are otherwise
> > > loosely coupled.
> > >
> > > Introduce separate config options for these so that archtiectures can
> > > select the two independently. This will make it easier for
> > > architectures to migrate to generic entry code.
> > >
> > > Suggested-by: Mark Rutland <mark.rutland at arm.com>
> > > Signed-off-by: Jinjie Ruan <ruanjinjie at huawei.com>
> >
> > If the generic entry maintainer (hi Thomas) thinks this patch is
> > OK it would be nice to have it applied because it will also make
> > the ARM32 transition to generic entry easier as we can work on
> > exception and syscall entry each in isolation.
> >
> > Acked-by: Linus Walleij <linus.walleij at linaro.org>
> 
> Do you think this patch is something you could queue on some
> tip branch for v6.16?
> 
> I don't know if either arm64 or arm32 is going anywhere with
> generic entry for v6.16, but having this in-tree makes it easier
> to split the task going forward. We can always pull it into some
> branch or just wait for v6.16-rc1 to get this patch under our
> patch stacks.

Agreed, having the core part merged would be really helpful if possible.

Cheers,

Will