From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "David Gibson" <david@gibson.dropbear.id.au>,
"Cédric Le Goater" <clg@kaod.org>
Cc: linuxppc-dev@lists.ozlabs.org,
Michael Ellerman <mpe@ellerman.id.au>,
nikunj@linux.vnet.ibm.com
Subject: Re: [PATCH 0/2] powerpc/xive: fix CPU hot unplug
Date: Tue, 03 Oct 2017 10:22:40 +0200 [thread overview]
Message-ID: <1507018960.25065.52.camel@kernel.crashing.org> (raw)
In-Reply-To: <20171003065858.GL3260@umbus.fritz.box>
On Tue, 2017-10-03 at 17:58 +1100, David Gibson wrote:
>
> Ok.. why do you think this isn't of use? I'm pretty sure this is
> necessary for the TCG case, since MSR is checked in cpu_has_work(),
> which could otherwise wake up the "dead" cpu.
Ony if it's not in a PM state, in that case we check the corresponding
LPCR:PECE* bit. At least on P7 and later.
Cheers,
Ben.
next prev parent reply other threads:[~2017-10-03 8:23 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-23 8:26 [PATCH 0/2] powerpc/xive: fix CPU hot unplug Cédric Le Goater
2017-09-23 8:26 ` [PATCH 1/2] powerpc/xive: fix IPI reset Cédric Le Goater
2017-09-23 8:26 ` [PATCH 2/2] powerpc/xive: fix cpu removal Cédric Le Goater
2017-10-02 16:27 ` [PATCH 0/2] powerpc/xive: fix CPU hot unplug Cédric Le Goater
2017-10-02 16:52 ` Benjamin Herrenschmidt
2017-10-02 17:53 ` Cédric Le Goater
2017-10-03 3:36 ` David Gibson
2017-10-03 6:24 ` Cédric Le Goater
2017-10-03 6:58 ` David Gibson
2017-10-03 8:22 ` Benjamin Herrenschmidt [this message]
2017-10-04 14:48 ` Cédric Le Goater
2017-10-05 3:29 ` Nikunj A Dadhania
2017-10-05 8:18 ` Cédric Le Goater
2017-10-03 11:23 ` Michael Ellerman
2017-10-03 12:58 ` Cédric Le Goater
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