From: Michael Ellerman <patch-notifications@ellerman•id.au>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>,
linuxppc dev list <linuxppc-dev@lists•ozlabs.org>
Cc: Michael Neuling <michael.neuling@au1•ibm.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux•vnet.ibm.com>,
Nick Piggin <npiggin@au1•ibm.com>
Subject: Re: [2/2] powerpc/mm/radix: Synchronize updates to the process table
Date: Tue, 11 Jul 2017 22:48:28 +1000 (AEST) [thread overview]
Message-ID: <3x6MMJ3j2Cz9t0j@ozlabs.org> (raw)
In-Reply-To: <1499461936.3397.13.camel@kernel.crashing.org>
On Fri, 2017-07-07 at 21:12:16 UTC, Benjamin Herrenschmidt wrote:
> When writing to the process table, we need to ensure the store is
> visible to a subsequent access by the MMU. We assume we never have
> the PID active while doing the update, so a ptesync/isync pair
> should hopefully be a big enough hammer for our purpose.
>
> Signed-off-by: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/3a6a04706fd08eb5677fdfc086e26f
cheers
prev parent reply other threads:[~2017-07-11 12:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-07 21:12 [PATCH 2/2] powerpc/mm/radix: Synchronize updates to the process table Benjamin Herrenschmidt
2017-07-10 4:40 ` Nicholas Piggin
2017-07-10 6:44 ` Benjamin Herrenschmidt
2017-07-11 12:48 ` Michael Ellerman [this message]
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