From: Greg KH <gregkh@linuxfoundation.org>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH for 5.4] powerpc/603: Always fault when _PAGE_ACCESSED is not set
Date: Tue, 17 Nov 2020 11:27:58 +0100 [thread overview]
Message-ID: <X7OlrpFkRKBQMNQ8@kroah.com> (raw)
In-Reply-To: <9351d8a775f749d7c881c909388e69af944087b9.1604943353.git.christophe.leroy@csgroup.eu>
On Mon, Nov 09, 2020 at 05:40:52PM +0000, Christophe Leroy wrote:
> [That is backport of 11522448e641e8f1690c9db06e01985e8e19b401 to linux 5.4]
>
> The kernel expects pte_young() to work regardless of CONFIG_SWAP.
>
> Make sure a minor fault is taken to set _PAGE_ACCESSED when it
> is not already set, regardless of the selection of CONFIG_SWAP.
>
> Fixes: 84de6ab0e904 ("powerpc/603: don't handle PAGE_ACCESSED in TLB miss handlers.")
> Cc: stable@vger.kernel.org
> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> Link: https://lore.kernel.org/r/a44367744de54e2315b2f1a8cbbd7f88488072e0.1602342806.git.christophe.leroy@csgroup.eu
> ---
> arch/powerpc/kernel/head_32.S | 12 ------------
> 1 file changed, 12 deletions(-)
Both backports now queued up, thanks.
greg k-h
WARNING: multiple messages have this Message-ID (diff)
From: Greg KH <gregkh@linuxfoundation.org>
To: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH for 5.4] powerpc/603: Always fault when _PAGE_ACCESSED is not set
Date: Tue, 17 Nov 2020 11:27:58 +0100 [thread overview]
Message-ID: <X7OlrpFkRKBQMNQ8@kroah.com> (raw)
In-Reply-To: <9351d8a775f749d7c881c909388e69af944087b9.1604943353.git.christophe.leroy@csgroup.eu>
On Mon, Nov 09, 2020 at 05:40:52PM +0000, Christophe Leroy wrote:
> [That is backport of 11522448e641e8f1690c9db06e01985e8e19b401 to linux 5.4]
>
> The kernel expects pte_young() to work regardless of CONFIG_SWAP.
>
> Make sure a minor fault is taken to set _PAGE_ACCESSED when it
> is not already set, regardless of the selection of CONFIG_SWAP.
>
> Fixes: 84de6ab0e904 ("powerpc/603: don't handle PAGE_ACCESSED in TLB miss handlers.")
> Cc: stable@vger.kernel.org
> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> Link: https://lore.kernel.org/r/a44367744de54e2315b2f1a8cbbd7f88488072e0.1602342806.git.christophe.leroy@csgroup.eu
> ---
> arch/powerpc/kernel/head_32.S | 12 ------------
> 1 file changed, 12 deletions(-)
Both backports now queued up, thanks.
greg k-h
next prev parent reply other threads:[~2020-11-17 10:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-09 17:40 [PATCH for 5.4] powerpc/603: Always fault when _PAGE_ACCESSED is not set Christophe Leroy
2020-11-09 17:40 ` Christophe Leroy
2020-11-17 10:27 ` Greg KH [this message]
2020-11-17 10:27 ` Greg KH
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