From: David Mosberger <davidm@hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Linux-ia64] Q: TLB flush under SMP
Date: Sun, 06 Feb 2000 00:13:32 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590678204915@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105590678204914@msgid-missing>
>>>>> On Sun, 06 Feb 2000 00:38:21 +0100, Manfred Spraul <manfreds@colorfullife.com> 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
prev parent reply other threads:[~2000-02-06 0:13 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-02-05 23:38 [Linux-ia64] Q: TLB flush under SMP Manfred Spraul
2000-02-06 0:13 ` David Mosberger [this message]
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