From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Tue, 18 Sep 2012 10:38:54 +0100 Subject: ARM: smp: why don't eliminate warning "Unknown IPI message 0x1"? In-Reply-To: References: Message-ID: <20120918093853.GW12245@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Sep 18, 2012 at 04:07:49PM +0800, ??? wrote: > Russell King want people to move to SGI0 for this, so that we can have SGI1-N > as the proper IPIs, but now we can't do this, maybe we must wait for > so many years. > But, Do you think we can use a another way to resolve this problem, > because this warning message will oftenly appeare in products. > > We can't assume the fixed IPI number that can wakeup secondary cores. > "I'd much rather see platforms deciding whether they need to use SGI1 > or whether they can switch to SGI0 instead." Why not just fix your platform to use SGI0. I think we're _finally_ there with everyone using SGI0, which means we can commit the patch which fixes this. And anyway, how many of your customers read your kernel log messages?