From: Tony Lindgren <tony@atomide.com>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Russell King - ARM Linux admin <linux@armlinux.org.uk>,
v.narang@samsung.com, a.sahrawat@samsung.com,
Marc Zyngier <maz@kernel.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Vincent Whitchurch <vincent.whitchurch@axis.com>,
Nick Desaulniers <ndesaulniers@google.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Nathan Huckleberry <nhuck@google.com>,
Jian Cai <caij2003@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Dmitry Safonov <0x7f454c46@gmail.com>,
Maninder Singh <maninder1.s@samsung.com>,
Andrew Morton <akpm@linux-foundation.org>,
Will Deacon <will@kernel.org>,
Valentin Schneider <valentin.schneider@arm.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/3] arm: introduce IRQ stacks
Date: Wed, 11 Nov 2020 08:56:35 +0200 [thread overview]
Message-ID: <20201111065635.GO26857@atomide.com> (raw)
In-Reply-To: <CAK8P3a2Hh=-VtvCiztNDZvW=ssx5zbvbccYcLXSNUt=xF6mwwQ@mail.gmail.com>
* Arnd Bergmann <arnd@kernel.org> [201110 13:35]:
> On Tue, Nov 10, 2020 at 1:06 PM Tony Lindgren <tony@atomide.com> wrote:
>
> > > Are these actually ARMv6? Most ARM11 cores you'd come across
> > > in practice are ARMv6K (ARM1136r1, ARM1167, ARM11MPCore),
> > > in particular every SoC that has any mainline support except for
> > > the ARM1136r0 based OMAP2 and i.MX3.
> >
> > I've been only using smp_on_up for the ARMv6 ARM1136r0 variants
> > for omap2, no SMP on those.
>
> Obviously all SMP hardware is ARMv6K, the only question I raised
> in point "c)" is what we would lose by making ARMv6 (ARM1136r0)
> support and SMP mutually exclusive in a kernel configuration, and
> I suppose the answer remains "testing".
Agreed that is probably the biggest reason to keep it at this point.
Regards,
Tony
next prev parent reply other threads:[~2020-11-11 6:56 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20201008071628epcas5p24d196a6023a47a3b0bfa7b7f231ec811@epcas5p2.samsung.com>
2020-10-08 7:15 ` [PATCH 0/3] IRQ stack support for ARM Maninder Singh
2020-10-08 7:15 ` [PATCH 1/3] arm: introduce self pointer in thread info Maninder Singh
2020-10-08 7:15 ` [PATCH 2/3] arm: introduce IRQ stacks Maninder Singh
[not found] ` <CAK8P3a2RYeNiTy9QmwFVKtFifXxWc9XfAT6ThPoSH9wGYsKGpA@mail.gmail.com>
2020-10-21 12:42 ` Arnd Bergmann
2020-10-21 12:45 ` Russell King - ARM Linux admin
2020-10-21 12:55 ` Arnd Bergmann
2020-10-21 12:57 ` Russell King - ARM Linux admin
2020-10-21 13:46 ` Vaneet Narang
2020-10-21 15:59 ` Arnd Bergmann
2020-11-09 14:45 ` Tony Lindgren
2020-11-09 19:10 ` Arnd Bergmann
2020-11-10 9:19 ` Tony Lindgren
2020-11-10 10:04 ` Arnd Bergmann
2020-11-10 12:04 ` Tony Lindgren
2020-11-10 13:35 ` Arnd Bergmann
2020-11-11 6:56 ` Tony Lindgren [this message]
2020-10-08 7:15 ` [PATCH 3/3] arm: Modify stack trace and dump for use with irq stack Maninder Singh
2020-10-08 7:53 ` [PATCH 0/3] IRQ stack support for ARM Sebastian Andrzej Siewior
2020-10-08 8:30 ` Russell King - ARM Linux admin
2020-10-15 20:59 ` Nick Desaulniers
2020-10-15 21:16 ` Florian Fainelli
[not found] ` <CAK8P3a0h=D8_Kn_fpHbsik_jf4to2jayxj7K7B7=HaNFzKqNnw@mail.gmail.com>
2020-10-21 11:58 ` Arnd Bergmann
2020-10-21 12:34 ` Russell King - ARM Linux admin
2020-10-21 12:46 ` Arnd Bergmann
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