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

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Message-Id: <0a65121b-cf33-4700-84cd-22bc9970f370@app.fastmail.com>
Date: Fri, 05 Jul 2024 17:08:36 +0800
From: "Jiaxun Yang" <jiaxun.yang@...goat.com>
To: "Serge Semin" <fancer.lancer@...il.com>,
 "Thomas Bogendoerfer" <tsbogend@...ha.franken.de>,
 "Florian Fainelli" <florian.fainelli@...adcom.com>,
 "Maciej W. Rozycki" <macro@...am.me.uk>
Cc: 
 "Broadcom internal kernel review list" <bcm-kernel-feedback-list@...adcom.com>,
 "Huacai Chen" <chenhuacai@...nel.org>,
 "Thomas Gleixner" <tglx@...utronix.de>,
 "paulburton@...nel.org" <paulburton@...nel.org>,
 "linux-mips@...r.kernel.org" <linux-mips@...r.kernel.org>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/10] MIPS: smp: Make IPI interrupts scalable

在2024年7月5日七月 下午4:40，Serge Semin写道：
> 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@...goat.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.

Thanks everyone for the collaborative effort, I’m  impressed!

Will respin this series later today.

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

-- 
- Jiaxun