Re: [PATCH 01/10] MIPS: smp: Make IPI interrupts scalable

Serge Semin
2024-07-05T08:40:18Z

Hi folks,

On Wed, Jul 03, 2024 at 05:04:49PM +0200, Thomas Bogendoerfer wrote:
> On Sun, Jun 16, 2024 at 10:03:05PM +0100, Jiaxun Yang wrote:
> > Define enum ipi_message_type as other architectures did to
> > allow easy extension to number of IPI interrupts, fiddle
> > around platform IPI code to adopt to the new infra, add
> > extensive BUILD_BUG_ON on IPI numbers to ensure future
> > extensions won't break existing platforms.
> >
> > IPI related stuff are pulled to asm/ipi.h to avoid include
> > linux/interrupt.h in asm/smp.h.
> >
> > Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> > ---
> > arch/mips/cavium-octeon/smp.c | 109 ++++++++++++-----------------------
> > arch/mips/include/asm/ipi.h | 34 +++++++++++
> > arch/mips/include/asm/smp-ops.h | 8 +--
> > arch/mips/include/asm/smp.h | 42 ++++++--------
> > arch/mips/kernel/smp-bmips.c | 43 +++++++-------
> > arch/mips/kernel/smp-cps.c | 1 +
> > arch/mips/kernel/smp.c | 124 ++++++++++++++++++++--------------------
> > arch/mips/loongson64/smp.c | 51 +++++++++--------
> > arch/mips/mm/c-octeon.c | 2 +-
> > arch/mips/sgi-ip27/ip27-smp.c | 15 +++--
> > arch/mips/sgi-ip30/ip30-smp.c | 15 +++--
> > arch/mips/sibyte/bcm1480/smp.c | 19 +++---
> > arch/mips/sibyte/sb1250/smp.c | 13 +++--
> > 13 files changed, 236 insertions(+), 240 deletions(-)
>
> you are touching a lot of platforms, how many did you test ?

In a one or two days I'll be able to test the series on the SoC with
2x MIPS P5600 Warrior.

-Serge(y)

>
> Thomas.
>
> --
> Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
> good idea. [ RFC1925, 2.3 ]