From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: Alexey Kardashevskiy <aik@ozlabs.ru>, linuxppc-dev@lists.ozlabs.org
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>
Subject: Re: [kernel, v2] powerpc/mm: Flush radix process translations when setting MMU type
Date: Wed, 14 Feb 2018 16:43:45 +1100 (AEDT) [thread overview]
Message-ID: <3zh7cd6WzLz9t3C@ozlabs.org> (raw)
In-Reply-To: <20180201050944.30332-1-aik@ozlabs.ru>
On Thu, 2018-02-01 at 05:09:44 UTC, Alexey Kardashevskiy wrote:
> Radix guests do normally invalidate process-scoped translations when
> a new pid is allocated but migrated guests do not invalidate these so
> migrated guests crash sometime, especially easy to reproduce with
> migration happening within first 10 seconds after the guest boot start on
> the same machine.
>
> This adds the "Invalidate process-scoped translations" flush to fix
> radix guests migration.
>
> Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
> Tested-by: Laurent Vivier <lvivier@redhat.com>
> Tested-by: Daniel Henrique Barboza <danielhb@linux.vnet.ibm.com>
Applied to powerpc fixes, thanks.
https://git.kernel.org/powerpc/c/62e984ddfd6b056d399e24113f5e6a
cheers
prev parent reply other threads:[~2018-02-14 5:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-01 5:09 [PATCH kernel v2] powerpc/mm: Flush radix process translations when setting MMU type Alexey Kardashevskiy
2018-02-07 14:33 ` Laurent Vivier
2018-02-07 17:49 ` Daniel Henrique Barboza
2018-02-13 11:25 ` Laurent Vivier
2018-02-14 13:36 ` Michael Ellerman
2018-02-14 5:43 ` Michael Ellerman [this message]
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