From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Sun, 06 Feb 2000 00:13:32 +0000 Subject: Re: [Linux-ia64] Q: TLB flush under SMP Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Sun, 06 Feb 2000 00:38:21 +0100, Manfred Spraul said: Manfred> Is the first snapshot supposed to run on SMP Manfred> hardware/simulator? SMP support is under development. It works somewhat, but isn't stable. Personally, I don't care for SMP very much until I have an SMP system myself... ;-) Manfred> On ia64, flush_tlb_range() does nothing if the target mm is Manfred> not the active mm on the current processor, but what if Manfred> that mm is active on another cpu? I don't think everything has been updated for SMP support yet. This certainly does look suspect, though. Manfred> And it seems that the ia64 supports inter processor tlb Manfred> flushes with special instructions [ptc.g], is the Manfred> documentation publicly available? Not just yet, but it will be available very soon. --david